Engineering Tripos Part IIA, 3B3: Switch-mode Electronics, 2024-25
Module Leader
Lecturer
Prof S Goetz, Prof T Long
Lab Leader
Prof T Long
Timing and Structure
Michaelmas term. 2 lectures/week.
Prerequisites
2P5
Aims
The aims of the course are to:
- Introduce power electronics and some of its main applications (power conversion in renewable energy, electric vehicles, power supply unit (PSU))
- Introduce typical topologies for AC-DC, DC-DC and DC-AC power conversion
- Give basic and useful skills in analysing and designing power electronics based power converters (PLECS modelling)
Objectives
As specific objectives, by the end of the course students should be able to:
- Know typical applications and requirements of power electronic based power converters (switch-mode power conversion)
- Know the characteristics of the diodes and power transistors and their functions in switch-mode power electronic circuits
- Know the functions of inductors and capacitors in switch-mode power conversion
- Know typical switch-mode power conversion circuit topologies: DC-DC, DC-AC, AC-DC
- Know how to reduce voltage and current ripple using smoothing circuits.
- Know high frequency transformers and their functions in power converters
- Understand the principle of pulse-width modulation and simple ways of generating pulse-width modulated waveforms.
- Know the structure and working principle of MOSFET, BJT, and IGBT as power transistors
- Describe various losses and estimate the efficiency of a power electronic system.
- Gain skills of power electronic system modelling (PLECS)
- Conduct basic tests of power electronic systems and use digital oscilloscope, pulse generator, probes and be familiar with typical power electronic and passive component devices and packages in real systems (via Lab)
Content
This module will also introduce PLECS modelling, all module students are offered free license (full function) of PLECS for 12 months.
Lecture 1: Introduction of power electronic systems and their applications, common math and physics used in analysing power electronic systems
- Non-isolated DC-DC converter
Lecture 2: Non-isolated DC-DC converters (BUCK, BOOST and BUCK-BOOST) in Continuous Current Mode (CCM) their operating principles
Lecture 3: Non-isolated DC-DC converters in Discontinuous Current Mode (DCM) their operating principles
- Bridge based DC-AC inverter/rectifier
Lecture 4: Bridge converter, the circuit, working principle and applications
Lecture 5: Single phase DC-AC inverter and Sinusoidal Pulse Width Modulation (SPWM)
Lecture 6: Three phase DC-AC inverter/rectifier and AC line filter design
Lecture 7: Tutorial 1: DC-DC and DC-AC converters (two Tripo level questions)
- Diode based AC-DC rectifier
Lecture 8: Uncontrolled single AC-DC rectifier with ideal AC source, diode bridge circuit and principles, capacitor filtering techniques
Lecture 9: Uncontrolled three AC-DC rectifier with ideal AC source, diode bridge circuit and principles, capacitor filtering techniques
- Isolated DC-DC converter
Lecture 10: Isolated DC-DC converter: high frequency transformers, push-pull converter
Lecture 11: Flyback DC-DC converter: working principles and design requirements
Lecture 12: LLC Resonant converter: working principles and design requirements
Lecture 13: Tutorial 2: AC-DC diode based rectifier and isolated DC-DC converters (Flyback and LLC Resonant)
- Power electronic devices
Lecture 14: Power diodes and bipolar junction transistor
Lecture 15: The Insulted Gate Bipolar Transistor (IGBT): modes of operation. trade-offs.
Lecture 16: The power MOSFET: Concept, modes of operation. trade-offs.
Examples papers
4 examples papers issued at 2 week intervals to coincide with the lecture material.
Coursework
DC-DC converter (upgraded new lab kit and facility from 2020)
Objectives:
- Be familiar with real power electronic and passive devices and their packages
- Use digital oscilloscope for power electronic system testing and data acquisition
- Use voltage and current probe of measuring switching voltage and current
- Observe and operate Pulse Width Modulation (by pulse generator) of controlling power electronic system
- Observe and operate passive components in power electronic systems and understand their functions
Pre-requisite
- Watch introductory video prior lab
- Read lab sheet prior lab
Full Technical Report:
- Optional tasks and questions are given for FTR
Booklists
Please refer to the Booklist for Part IIA Courses for references to this module, this can be found on the associated Moodle course.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
Last modified: 26/07/2024 14:14
Engineering Tripos Part IIA, 3B3: Switch-mode Electronics, 2017-18
Module Leader
Lecturers
Dr P Palmer and Dr T Long
Lab Leader
Dr T Long
Timing and Structure
Michaelmas term. 2 lectures/week.
Aims
The aims of the course are to:
- Introduce power electronics as an interface technology.
- Introduce power semiconductor devices and circuits, describing their use in a range of applications includin rectification, linear and switch-mode power supplies, a.c. power control circuits and dc-ac inverters using pulse-width modulation.
Objectives
As specific objectives, by the end of the course students should be able to:
- Know the characteristics of the diode and how to use diodes in rectifier circuits to obtain d.c. from single and three-phase a.c.
- Know how to reduce ripple using smoothing circuits.
- Know the characteristics of the thyristor and how to use the thyristor in controlled rectifiers operating from single or three-phase supplies.
- Be able to explain the conditions under which inversion, i.e. the flow of power from the d.c. to the a.c. side, takes place.
- Appreciate the relative merits of MOSFETs, IGBTs and bipolar transistors as switches.
- Be aware of the principal types of converter circuit and their characteristics.
- Know the principle of pulse-width modulation and simple ways of generating pulse-width modulated waveforms.
- Be familiar with three-phase inverter circuits using pulse-width modulation.
- Be familiar with the essential elements of a complete switch-mode power supply.
- Be able to analyse the operation of a simple SMPS.
- Describe the various losses and estimate the efficiency of a Power Electronic System.
- Appreciate the role of power electronic converters in various applications.
Content
- The diode; simple rectifier circuits using diodes. Three-phase rectification. Smoothing circuits and waveform distortion. Regulated supplies using linear circuit techniques.
- The thyristor. Controlled rectification and inversion using thyristors.
- The MOSFET, IGBT and bipolar transistor as power switches.
- Basic switching converter configurations: the up and down converters. The concept of pulse width modulation; the generation of pulse-width modulated waveforms. Converters with isolation. Introduction to magnetics and components.
- Power losses in converters. ZCS and ZVS Resonant converters.
- Outline design for a complete switch-mode power supply including power factor correction.
- Half and full bridge circuits, Deadtime and the problem of the high side drive. The application of chopper circuits in DC motor drives.
- Single phase and three-phase invertercircuits. Variable voltage variable frequency three-phase inverter for use in induction motor drives.
- Transient Analysis in circuits.
Coursework
Switch-Mode Electronics
Learning objectives:
Practical information:
- Sessions will take place in [Location], during week(s) [xxx].
- This activity [involves/doesn't involve] preliminary work ([estimated duration]).
Full Technical Report:
Students [will/won't] have the option to submit a Full Technical Report.
Booklists
Please see the Booklist for Part IIA Courses for references for this module.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
Last modified: 09/10/2017 15:52
Engineering Tripos Part IIA, 3B3: Switch-mode Electronics, 2025-26
Module Leader
Lecturer
Prof S Goetz, Prof T Long
Lab Leader
Prof T Long
Timing and Structure
Michaelmas term. 2 lectures/week.
Prerequisites
2P5
Aims
The aims of the course are to:
- Introduce power electronics and some of its main applications (power conversion in renewable energy, electric vehicles, power supply unit (PSU))
- Introduce typical topologies for AC-DC, DC-DC and DC-AC power conversion
- Give basic and useful skills in analysing and designing power electronics based power converters (PLECS modelling)
Objectives
As specific objectives, by the end of the course students should be able to:
- Know typical applications and requirements of power electronic based power converters (switch-mode power conversion)
- Know the characteristics of the diodes and power transistors and their functions in switch-mode power electronic circuits
- Know the functions of inductors and capacitors in switch-mode power conversion
- Know typical switch-mode power conversion circuit topologies: DC-DC, DC-AC, AC-DC
- Know how to reduce voltage and current ripple using smoothing circuits.
- Know high frequency transformers and their functions in power converters
- Understand the principle of pulse-width modulation and simple ways of generating pulse-width modulated waveforms.
- Know the structure and working principle of MOSFET, BJT, and IGBT as power transistors
- Describe various losses and estimate the efficiency of a power electronic system.
- Gain skills of power electronic system modelling (PLECS)
- Conduct basic tests of power electronic systems and use digital oscilloscope, pulse generator, probes and be familiar with typical power electronic and passive component devices and packages in real systems (via Lab)
Content
This module will also introduce PLECS modelling, all module students are offered free license (full function) of PLECS for 12 months.
Lecture 1: Introduction of power electronic systems and their applications, common math and physics used in analysing power electronic systems
- Non-isolated DC-DC converter
Lecture 2: Non-isolated DC-DC converters (BUCK, BOOST and BUCK-BOOST) in Continuous Current Mode (CCM) their operating principles
Lecture 3: Non-isolated DC-DC converters in Discontinuous Current Mode (DCM) their operating principles
- Bridge based DC-AC inverter/rectifier
Lecture 4: Bridge converter, the circuit, working principle and applications
Lecture 5: Single phase DC-AC inverter and Sinusoidal Pulse Width Modulation (SPWM)
Lecture 6: Three phase DC-AC inverter/rectifier and AC line filter design
Lecture 7: Tutorial 1: DC-DC and DC-AC converters (two Tripo level questions)
- Diode based AC-DC rectifier
Lecture 8: Uncontrolled single AC-DC rectifier with ideal AC source, diode bridge circuit and principles, capacitor filtering techniques
Lecture 9: Uncontrolled three AC-DC rectifier with ideal AC source, diode bridge circuit and principles, capacitor filtering techniques
- Isolated DC-DC converter
Lecture 10: Isolated DC-DC converter: high frequency transformers, push-pull converter
Lecture 11: Flyback DC-DC converter: working principles and design requirements
Lecture 12: LLC Resonant converter: working principles and design requirements
Lecture 13: Tutorial 2: AC-DC diode based rectifier and isolated DC-DC converters (Flyback and LLC Resonant)
- Power electronic devices
Lecture 14: Power diodes and bipolar junction transistor
Lecture 15: The Insulted Gate Bipolar Transistor (IGBT): modes of operation. trade-offs.
Lecture 16: The power MOSFET: Concept, modes of operation. trade-offs.
Examples papers
4 examples papers issued at 2 week intervals to coincide with the lecture material.
Coursework
DC-DC converter (upgraded new lab kit and facility from 2020)
Objectives:
- Be familiar with real power electronic and passive devices and their packages
- Use digital oscilloscope for power electronic system testing and data acquisition
- Use voltage and current probe of measuring switching voltage and current
- Observe and operate Pulse Width Modulation (by pulse generator) of controlling power electronic system
- Observe and operate passive components in power electronic systems and understand their functions
Pre-requisite
- Watch introductory video prior lab
- Read lab sheet prior lab
Full Technical Report:
- Optional tasks and questions are given for FTR
Booklists
Please refer to the Booklist for Part IIA Courses for references to this module, this can be found on the associated Moodle course.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
Last modified: 04/06/2025 13:16
Engineering Tripos Part IIA, 3B3: Switch-mode Electronics, 2019-20
Module Leader
Lecturer
Dr T Long
Lecturer
Prof Florin Udrea
Lab Leader
Dr T Long
Timing and Structure
Michaelmas term. 2 lectures/week.
Prerequisites
2P5
Aims
The aims of the course are to:
- Introduce power electronics and some of its main applications (power conversion in renewable energy, electric vehicles, smart grids)
- Introduce typical topologies for AC-DC, DC-DC and DC-AC power conversion
- Give basic and useful skills in analysing and designing power electronics based power converters
Objectives
As specific objectives, by the end of the course students should be able to:
- Know the characteristics of the diode and how to use diodes in rectifier circuits to obtain d.c. from single and three-phase a.c.
- Know how to reduce ripple using smoothing circuits.
- Know the characteristics of the thyristor and how to use the thyristor in controlled rectifiers operating from single or three-phase supplies.
- Be able to explain the conditions under which inversion, i.e. the flow of power from the d.c. to the a.c. side, takes place.
- Appreciate the relative merits of MOSFETs, IGBTs and bipolar transistors as switches.
- Be aware of the principal types of converter circuit and their characteristics.
- Know the principle of pulse-width modulation and simple ways of generating pulse-width modulated waveforms.
- Be familiar with three-phase inverter circuits using pulse-width modulation.
- Be familiar with the essential elements of a complete switch-mode power supply.
- Be able to analyse the operation of a simple SMPS.
- Describe the various losses and estimate the efficiency of a Power Electronic System.
- Appreciate the role of power electronic converters in various applications.
Content
- The diode; simple rectifier circuits using diodes. Three-phase rectification. Smoothing circuits and waveform distortion. Regulated supplies using linear circuit techniques.
- The thyristor. Controlled rectification and inversion using thyristors.
- The MOSFET, IGBT and bipolar transistor as power switches.
- Basic switching converter configurations: the up and down converters. The concept of pulse width modulation; the generation of pulse-width modulated waveforms. Converters with isolation. Introduction to magnetics and components.
- Power losses in converters. ZCS and ZVS Resonant converters.
- Outline design for a complete switch-mode power supply including power factor correction.
- Half and full bridge circuits, Deadtime and the problem of the high side drive. The application of chopper circuits in DC motor drives.
- Single phase and three-phase inverter circuits. Variable voltage variable frequency three-phase inverter for use in induction motor drives.
- Transient Analysis in circuits.
Examples papers
4 examples papers issued at 2 week intervals to coincide with the lecture material.
Coursework
Switch-Mode Electronics
Learning objectives:
- Phase angle control of thyrister based AC-DC rectifier
- Thyrister based AC-AC converters
- Line-commutated converter (LCC) based HVDC
Practical information:
- Sessions will take place in the EIETL during the Lent term.
- Self-learning notes will be given
Full Technical Report:
Students will have the option to submit a Full Technical Report.
Booklists
Please see the Booklist for Part IIA Courses for references for this module.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
Last modified: 15/05/2019 09:43
Engineering Tripos Part IIA, 3B3: Switch-mode Electronics, 2018-19
Module Leader
Lecturer
Dr T Long
Lecturer
Prof Florin Udrea
Lab Leader
Dr T Long
Timing and Structure
Michaelmas term. 2 lectures/week.
Prerequisites
2P5
Aims
The aims of the course are to:
- Introduce power electronics and some of its main applications (power conversion in renewable energy, electric vehicles, smart grids)
- Introduce typical topologies for AC-DC, DC-DC and DC-AC power conversion
- Give basic and useful skills in analysing and designing power electronics based power converters
Objectives
As specific objectives, by the end of the course students should be able to:
- Know the characteristics of the diode and how to use diodes in rectifier circuits to obtain d.c. from single and three-phase a.c.
- Know how to reduce ripple using smoothing circuits.
- Know the characteristics of the thyristor and how to use the thyristor in controlled rectifiers operating from single or three-phase supplies.
- Be able to explain the conditions under which inversion, i.e. the flow of power from the d.c. to the a.c. side, takes place.
- Appreciate the relative merits of MOSFETs, IGBTs and bipolar transistors as switches.
- Be aware of the principal types of converter circuit and their characteristics.
- Know the principle of pulse-width modulation and simple ways of generating pulse-width modulated waveforms.
- Be familiar with three-phase inverter circuits using pulse-width modulation.
- Be familiar with the essential elements of a complete switch-mode power supply.
- Be able to analyse the operation of a simple SMPS.
- Describe the various losses and estimate the efficiency of a Power Electronic System.
- Appreciate the role of power electronic converters in various applications.
Content
- The diode; simple rectifier circuits using diodes. Three-phase rectification. Smoothing circuits and waveform distortion. Regulated supplies using linear circuit techniques.
- The thyristor. Controlled rectification and inversion using thyristors.
- The MOSFET, IGBT and bipolar transistor as power switches.
- Basic switching converter configurations: the up and down converters. The concept of pulse width modulation; the generation of pulse-width modulated waveforms. Converters with isolation. Introduction to magnetics and components.
- Power losses in converters. ZCS and ZVS Resonant converters.
- Outline design for a complete switch-mode power supply including power factor correction.
- Half and full bridge circuits, Deadtime and the problem of the high side drive. The application of chopper circuits in DC motor drives.
- Single phase and three-phase inverter circuits. Variable voltage variable frequency three-phase inverter for use in induction motor drives.
- Transient Analysis in circuits.
Examples papers
4 examples papers issued at 2 week intervals to coincide with the lecture material.
Coursework
Switch-Mode Electronics
Learning objectives:
- Phase angle control of thyrister based AC-DC rectifier
- Thyrister based AC-AC converters
- Line-commutated converter (LCC) based HVDC
Practical information:
- Sessions will take place in the EIETL during the Lent term.
- Self-learning notes will be given
Full Technical Report:
Students will have the option to submit a Full Technical Report.
Booklists
Please see the Booklist for Part IIA Courses for references for this module.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
Last modified: 12/09/2018 13:04
Engineering Tripos Part IIA, 3B3: Switch-mode Electronics, 2023-24
Module Leader
Lecturer
Prof F Udrea
Lab Leader
Prof F Udrea
Timing and Structure
Michaelmas term. 2 lectures/week.
Prerequisites
2P5
Aims
The aims of the course are to:
- Introduce power electronics and some of its main applications (power conversion in renewable energy, electric vehicles, power supply unit (PSU))
- Introduce typical topologies for AC-DC, DC-DC and DC-AC power conversion
- Give basic and useful skills in analysing and designing power electronics based power converters (PLECS modelling)
Objectives
As specific objectives, by the end of the course students should be able to:
- Know typical applications and requirements of power electronic based power converters (switch-mode power conversion)
- Know the characteristics of the diodes and power transistors and their functions in switch-mode power electronic circuits
- Know the functions of inductors and capacitors in switch-mode power conversion
- Know typical switch-mode power conversion circuit topologies: DC-DC, DC-AC, AC-DC
- Know how to reduce voltage and current ripple using smoothing circuits.
- Know high frequency transformers and their functions in power converters
- Understand the principle of pulse-width modulation and simple ways of generating pulse-width modulated waveforms.
- Know the structure and working principle of MOSFET, BJT, and IGBT as power transistors
- Describe various losses and estimate the efficiency of a power electronic system.
- Gain skills of power electronic system modelling (PLECS)
- Conduct basic tests of power electronic systems and use digital oscilloscope, pulse generator, probes and be familiar with typical power electronic and passive component devices and packages in real systems (via Lab)
Content
This module will also introduce PLECS modelling, all module students are offered free license (full function) of PLECS for 12 months.
Lecture 1: Introduction of power electronic systems and their applications, common math and physics used in analysing power electronic systems
- Non-isolated DC-DC converter
Lecture 2: Non-isolated DC-DC converters (BUCK, BOOST and BUCK-BOOST) in Continuous Current Mode (CCM) their operating principles
Lecture 3: Non-isolated DC-DC converters in Discontinuous Current Mode (DCM) their operating principles
- Bridge based DC-AC inverter/rectifier
Lecture 4: Bridge converter, the circuit, working principle and applications
Lecture 5: Single phase DC-AC inverter and Sinusoidal Pulse Width Modulation (SPWM)
Lecture 6: Three phase DC-AC inverter/rectifier and AC line filter design
Lecture 7: Tutorial 1: DC-DC and DC-AC converters (two Tripo level questions)
- Diode based AC-DC rectifier
Lecture 8: Uncontrolled single AC-DC rectifier with ideal AC source, diode bridge circuit and principles, capacitor filtering techniques
Lecture 9: Uncontrolled three AC-DC rectifier with ideal AC source, diode bridge circuit and principles, capacitor filtering techniques
- Isolated DC-DC converter
Lecture 10: Isolated DC-DC converter: high frequency transformers, push-pull converter
Lecture 11: Flyback DC-DC converter: working principles and design requirements
Lecture 12: LLC Resonant converter: working principles and design requirements
Lecture 13: Tutorial 2: AC-DC diode based rectifier and isolated DC-DC converters (Flyback and LLC Resonant)
- Power electronic devices
Lecture 14: Power diodes and bipolar junction transistor
Lecture 15: The Insulted Gate Bipolar Transistor (IGBT): modes of operation. trade-offs.
Lecture 16: The power MOSFET: Concept, modes of operation. trade-offs.
Examples papers
4 examples papers issued at 2 week intervals to coincide with the lecture material.
Coursework
DC-DC converter (upgraded new lab kit and facility from 2020)
Objectives:
- Be familiar with real power electronic and passive devices and their packages
- Use digital oscilloscope for power electronic system testing and data acquisition
- Use voltage and current probe of measuring switching voltage and current
- Observe and operate Pulse Width Modulation (by pulse generator) of controlling power electronic system
- Observe and operate passive components in power electronic systems and understand their functions
Pre-requisite
- Watch introductory video prior lab
- Read lab sheet prior lab
Full Technical Report:
- Optional tasks and questions are given for FTR
Booklists
Please refer to the Booklist for Part IIA Courses for references to this module, this can be found on the associated Moodle course.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
Last modified: 31/05/2023 15:24
Engineering Tripos Part IIA, 3B3: Switch-mode Electronics, 2021-22
Module Leader
Lecturer
Dr T Long
Lecturer
Dr T Long, Prof Florin Udrea
Lab Leader
Dr T Long
Timing and Structure
Michaelmas term. 2 lectures/week.
Prerequisites
2P5
Aims
The aims of the course are to:
- Introduce power electronics and some of its main applications (power conversion in renewable energy, electric vehicles, power supply unit (PSU))
- Introduce typical topologies for AC-DC, DC-DC and DC-AC power conversion
- Give basic and useful skills in analysing and designing power electronics based power converters (PLECS modelling)
Objectives
As specific objectives, by the end of the course students should be able to:
- Know typical applications and requirements of power electronic based power converters (switch-mode power conversion)
- Know the characteristics of the diodes and power transistors and their functions in switch-mode power electronic circuits
- Know the functions of inductors and capacitors in switch-mode power conversion
- Know typical switch-mode power conversion circuit topologies: DC-DC, DC-AC, AC-DC
- Know how to reduce voltage and current ripple using smoothing circuits.
- Know high frequency transformers and their functions in power converters
- Understand the principle of pulse-width modulation and simple ways of generating pulse-width modulated waveforms.
- Know the structure and working principle of MOSFET, BJT, and IGBT as power transistors
- Describe various losses and estimate the efficiency of a power electronic system.
- Gain skills of power electronic system modelling (PLECS)
- Conduct basic tests of power electronic systems and use digital oscilloscope, pulse generator, probes and be familiar with typical power electronic and passive component devices and packages in real systems (via Lab)
Content
This module will also introduce PLECS modelling, all module students are offered free license (full function) of PLECS for 12 months.
Lecture 1: Introduction of power electronic systems and their applications, common math and physics used in analysing power electronic systems
- Non-isolated DC-DC converter
Lecture 2: Non-isolated DC-DC converters (BUCK, BOOST and BUCK-BOOST) in Continuous Current Mode (CCM) their operating principles
Lecture 3: Non-isolated DC-DC converters in Discontinuous Current Mode (DCM) their operating principles
- Bridge based DC-AC inverter/rectifier
Lecture 4: Bridge converter, the circuit, working principle and applications
Lecture 5: Single phase DC-AC inverter and Sinusoidal Pulse Width Modulation (SPWM)
Lecture 6: Three phase DC-AC inverter/rectifier and AC line filter design
Lecture 7: Tutorial 1: DC-DC and DC-AC converters (two Tripo level questions)
- Diode based AC-DC rectifier
Lecture 8: Uncontrolled single AC-DC rectifier with ideal AC source, diode bridge circuit and principles, capacitor filtering techniques
Lecture 9: Uncontrolled three AC-DC rectifier with ideal AC source, diode bridge circuit and principles, capacitor filtering techniques
- Isolated DC-DC converter
Lecture 10: Isolated DC-DC converter: high frequency transformers, push-pull converter
Lecture 11: Flyback DC-DC converter: working principles and design requirements
Lecture 12: LLC Resonant converter: working principles and design requirements
Lecture 13: Tutorial 2: AC-DC diode based rectifier and isolated DC-DC converters (Flyback and LLC Resonant)
- Power electronic devices
Lecture 14: Power diodes and bipolar junction transistor
Lecture 15: The Insulted Gate Bipolar Transistor (IGBT): modes of operation. trade-offs.
Lecture 16: The power MOSFET: Concept, modes of operation. trade-offs.
Examples papers
4 examples papers issued at 2 week intervals to coincide with the lecture material.
Coursework
DC-DC converter (upgraded new lab kit and facility from 2020)
Objectives:
- Be familiar with real power electronic and passive devices and their packages
- Use digital oscilloscope for power electronic system testing and data acquisition
- Use voltage and current probe of measuring switching voltage and current
- Observe and operate Pulse Width Modulation (by pulse generator) of controlling power electronic system
- Observe and operate passive components in power electronic systems and understand their functions
Pre-requisite
- Watch introductory video prior lab
- Read lab sheet prior lab
Full Technical Report:
- Optional tasks and questions are given for FTR
Booklists
Please refer to the Booklist for Part IIA Courses for references to this module, this can be found on the associated Moodle course.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
Last modified: 22/09/2021 18:11
Engineering Tripos Part IIA, 3A5: Thermodynamics & Power Generation, 2021-22
Module Leader
Lecturers
Prof R S Cant, Dr A J White
Lab Leader
Timing and Structure
Michaelmas term. Thermodynamics 2 lectures/week, weeks 1-4 (Dr A J White); Power Generation: 2 lectures/week, weeks 5-8 (Prof R S Cant). 16 lectures.
Aims
The aims of the course are to:
- Focus on electricity power generation and the underlying thermodynamic theory.
- Introduce some concepts in thermo-mechanical energy storage to support intermittent generation technologies.
- Cover topics including power generation by direct electrochemical conversion by fuel cells, gas turbines, steam and combined cycles.
- Introduce some advanced cycle concepts and discuss the possibility of carbon dioxide capture and storage.
Objectives
As specific objectives, by the end of the course students should be able to:
- Understand the principles of exergy analysis, be able to calculate the lost work terms of power cycle components.
- Know the importance of the Helmholtz and Gibbs functions, the uses of standard property changes in chemical reactions, and the idea of rational efficiency..
- Understand the principles of electrochemical energy conversion, be aware of different types of fuel cell technology, be able to calculate the Gibbs and Nernst potentials, and have a basic knowledge of fuel cell losses.
- Understand the principles of phase equilibrium for single and multi-component systems, the role of the chemical potential, and the Clausius-Clapeyron equation.
- Understand equation of state theory including characteristic form, Maxwell’s relations, ideal gases, ideal gas mixtures, imperfect gases, van der Waals form, and law of corresponding states.
- Understand chemical equilibrium theory and the use of the equilbrium constant, be able to perform calculations for gas mixtures with one or two independent reactions, and be able to apply van’t Hoff’s equation.
- Appreciate the need for energy storage and apply exergetic analysis to some thermo-mechanical storage concepts.
- Understand the rôle of steam and gas turbine cycles in electricity power generation and be conversant with likely future developments.
- Be able to evaluate the performance of gas turbine plants including reheat, intercooling and recuperation.
- Be able to evaluate the performance of steam power plants including reheat and feedheating.
- Be able to evaluate the performance of combined cycles.
- Understand the issues involved in the capture and storage of carbon dioxide from fossil-fuelled power plants.
Content
Introduction, Thermodynamics and Energy Storage (9L)
- Overview of current and future electricity power generation, and the associated carbon emissions.
- Thermodynamic availability, lost work and entropy production, exergy analysis, application to power cycles.
- Gibbs and Helmholtz functions, standard property changes in chemical reactions, overall and rational efficiencies, electrochemical conversion, fuel cells (theory and practice).
- Equilibrium criteria, phase equilibrium, chemical potential, Clapeyron equation, equations of state, ideal gas mixtures, imperfect gases, van der Waals equation.
- Gibbs equation, chemical equilibrium, chemical potential of ideal gas, equilibrium constant, gas phase reactions, van’t Hoff equation.
- Role of energy storage, description and anaysis of some storage tehnologies.
Power Generation (7L)
- Gas turbines with intercooling, reheat and recuperation. Turbine blade cooling.
- Steam cycles with feed heating and reheat. The combustion process and boiler efficiency. Steam cycles for nuclear power.
- Combined gas-steam cycles.
- Advanced cycles and carbon dioxide sequestration.
Examples papers
- 1B revision, exergetic analysis, chemical exergy and fuel cells
- Gibbs and Helmholtz functions, phase and chemical equilibrium, equations of state, energy storage.
- Gas turbine plant, turbine cooling, intercooling and recuperation.
- Steam plant, reheat, feed heat, combined cycles.
Coursework
Computer based cycle simulation
Learning objectives:
- To consolidate the concept of exergy covered in lectures, and to apply this to the analysis of power-generating gas turbine cycles.
- To study the methods by which the efficiency and specific work output of a simple gas turbine plant may be improved.
- To investigate trends in cycle performance with various design parameters.
Practical information:
- Sessions will take place in the DPO, during weeks 1-6.
- This activity doesn't involve preliminary work.
Full Technical Report:
Students will have the option to submit a Full Technical Report.
Booklists
Please refer to the Booklist for Part IIA Courses for references to this module, this can be found on the associated Moodle course.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
S3
Understanding of the requirement for engineering activities to promote sustainable development.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
US3
An understanding of concepts from a range of areas including some outside engineering, and the ability to apply them effectively in engineering projects.
US4
An awareness of developing technologies related to own specialisation.
Last modified: 13/09/2021 09:16
Engineering Tripos Part IIA, 3A5: Thermodynamics & Power Generation, 2023-24
Module Leader
Lecturers
Dr A J White, Prof A Wheeler
Lab Leader
Timing and Structure
Michaelmas term. Thermodynamics 2 lectures/week, weeks 1-4 (Dr Alex White); Power Generation: 2 lectures/week, weeks 5-8 (Prof Andy Wheeler). 16 lectures.
Aims
The aims of the course are to:
- Introduce some new concepts in thermodynamics, especially relating to chemical thermodynamics
- Focus on electricity power generation and the underlying thermodynamic theory.
- Introduce some concepts in thermo-mechanical energy storage to support intermittent generation technologies.
- Cover topics including power generation by direct electrochemical conversion by fuel cells, gas turbines, Rankine and combined cycles.
- Introduce some advanced cycle concepts, hydrogen-fuelled power plant and discuss the possibility of carbon dioxide capture and storage.
Objectives
As specific objectives, by the end of the course students should be able to:
- Understand the principles of exergy analysis, be able to calculate the lost work terms of power cycle components.
- Know the importance of the Helmholtz and Gibbs functions, the uses of standard property changes in chemical reactions, and the idea of rational efficiency..
- Understand the principles of electrochemical energy conversion, be aware of different types of fuel cell technology, be able to calculate the Gibbs and Nernst potentials, and have a basic knowledge of fuel cell losses.
- Understand the principles of phase equilibrium, the role of the chemical potential, and the Clausius-Clapeyron equation.
- Understand equation of state theory including characteristic form, Maxwell’s relations, ideal gases, ideal gas mixtures, imperfect gases, van der Waals form, and law of corresponding states.
- Understand chemical equilibrium theory and the use of the equilbrium constant, be able to perform calculations for gas mixtures with one or two independent reactions, and be able to apply van’t Hoff’s equation.
- Appreciate the need for energy storage and apply exergetic analysis to some thermo-mechanical storage concepts.
- Understand the rôle of a range of thermodynamic cycles in electricity power generation and be conversant with likely future developments.
- Be able to evaluate the performance of gas turbine plants including reheat, intercooling and recuperation.
- Be able to evaluate the performance of Rankine power plants including reheat and feedheating.
- Be able to evaluate the performance of combined cycles.
- Understand the issues involved in the capture and storage of carbon dioxide.
Content
Introduction, Thermodynamics and Energy Storage (9L)
- Overview of current and future electricity power generation, and the associated carbon emissions.
- Thermodynamic availability, lost work and entropy production, exergy analysis, application to power cycles.
- Gibbs and Helmholtz functions, standard property changes in chemical reactions, overall and rational efficiencies, electrochemical conversion, fuel cells (theory and practice).
- Equilibrium criteria, phase equilibrium, chemical potential, Clapeyron equation, equations of state, ideal gas mixtures, imperfect gases, van der Waals equation.
- Gibbs equation, chemical equilibrium, chemical potential of ideal gas, equilibrium constant, gas phase reactions, van’t Hoff equation.
- Role of energy storage, description and anaysis of some storage tehnologies.
Power Generation (7L)
- Gas turbines (GTs) with intercooling, reheat and recuperation.
- Hydrogen-fired GTs and hydrogen production.
- Rankine cycles with feed heating and reheat. Thermodynamic cycles for nuclear, biomass, solar and geothermal power and low-grade heat recovery.
- Combined cycles (CCs): gas-steam CCGTs and and other CCs, including those employing Organic Rankine Cycles (ORCs).
- Advanced cycles and carbon dioxide sequestration.
Examples papers
- 1B revision, exergetic analysis, chemical exergy and fuel cells
- Gibbs and Helmholtz functions, phase and chemical equilibrium, equations of state, energy storage.
- Gas turbine plant, intercooling and recuperation.
- Steam plant, reheat, feed heat, combined cycles and ORCs.
Coursework
Computer based cycle simulation
Learning objectives:
- To consolidate the concept of exergy covered in lectures, and to apply this to the analysis of power-generating gas turbine cycles.
- To study the methods by which the efficiency and specific work output of a simple gas turbine plant may be improved.
- To investigate trends in cycle performance with various design parameters.
Practical information:
- Sessions will be able to complete the coursework online starting from week 2.
- This activity doesn't involve preliminary work.
Full Technical Report:
Students will have the option to submit a Full Technical Report.
Booklists
Please refer to the Booklist for Part IIA Courses for references to this module, this can be found on the associated Moodle course.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
S3
Understanding of the requirement for engineering activities to promote sustainable development.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
US3
An understanding of concepts from a range of areas including some outside engineering, and the ability to apply them effectively in engineering projects.
US4
An awareness of developing technologies related to own specialisation.
Last modified: 28/09/2023 09:20
Engineering Tripos Part IIA, 3A5: Thermodynamics & Power Generation, 2020-21
Module Leader
Lecturers
Prof R S Cant, Dr A J White
Lab Leader
Timing and Structure
Michaelmas term. Thermodynamics 2 lectures/week, weeks 1-4 (Dr A J White); Power Generation: 2 lectures/week, weeks 5-8 (Prof R S Cant). 16 lectures.
Aims
The aims of the course are to:
- Focus on electricity power generation and the underlying thermodynamic theory.
- Cover topics including power generation by gas, steam and combined cycles, and direct electrochemical conversion by fuel cells.
- Introduce some advanced cycle concepts and discuss the possibility of carbon dioxide capture and storage.
Objectives
As specific objectives, by the end of the course students should be able to:
- Understand the principles of exergy analysis, be able to calculate the lost work terms of power cycle components.
- Know the importance of the Helmholtz and Gibbs functions, the uses of standard property changes in chemical reactions, and the idea of rational efficiency..
- Understand the principles of electrochemical energy conversion, be aware of different types of fuel cell technology, be able to calculate the Gibbs and Nernst potentials, and have a basic knowledge of fuel cell losses.
- Understand the principles of phase equilibrium for single and multi-component systems, the role of the chemical potential, and the Clausius-Clapeyron equation.
- Be able to undertake phase equilibrium analysis for ideal mixtures (Raoult's Law).
- Understand equation of state theory including characteristic form, Maxwell’s relations, ideal gases, ideal gas mixtures, imperfect gases, van der Waals form, and law of corresponding states.
- Understand chemical equilibrium theory and the use of the equilbrium constant, be able to perform calculations for gas mixtures with one or two independent reactions, and be able to apply van’t Hoff’s equation.
- Understand the rôle of steam and gas turbine cycles in electricity power generation and be conversant with likely future developments.
- Be able to evaluate the performance of gas turbine plants including reheat, intercooling and recuperation.
- Be able to evaluate the performance of steam power plants including reheat and feedheating.
- Be able to evaluate the performance of combined cycles.
- Understand the issues involved in the capture and storage of carbon dioxide from fossil-fuelled power plants.
Content
Thermodynamics (8L)
- Thermodynamic availability, lost work and entropy production, exergy analysis, application to power cycles.
- Gibbs and Helmholtz functions, standard property changes in chemical reactions, overall and rational efficiencies, electrochemical conversion, fuel cells (theory and practice).
- Equilibrium criteria, phase equilibrium, chemical potential, Clapeyron equation, equations of state, ideal gas mixtures, imperfect gases, van der Waals equation.
- Gibbs equation, chemical equilibrium, chemical potential of ideal gas, equilibrium constant, gas phase reactions, van’t Hoff equation.
Power Generation (8L)
- Overview of current and future electricity power generation, and the associated carbon emissions.
- Gas turbines with intercooling, reheat and recuperation. Turbine blade cooling.
- Steam cycles with feed heating and reheat. The combustion process and boiler efficiency.Steam cycles for nuclear power.
- Combined gas-steam cycles.
- Advanced cycles and carbon dioxide sequestration.
Coursework
Computer based cycle simulation
Learning objectives:
- To consolidate the concept of exergy covered in lectures, and to apply this to the analysis of power-generating gas turbine cycles.
- To study the methods by which the efficiency and specific work output of a simple gas turbine plant may be improved.
- To investigate trends in cycle performance with various design parameters.
Practical information:
- Sessions will take place in the DPO, during weeks 1-6.
- This activity doesn't involve preliminary work.
Full Technical Report:
Students will have the option to submit a Full Technical Report.
Booklists
Please refer to the Booklist for Part IIA Courses for references to this module, this can be found on the associated Moodle course.
Examination Guidelines
Please refer to Form & conduct of the examinations.
UK-SPEC
This syllabus contributes to the following areas of the UK-SPEC standard:
Toggle display of UK-SPEC areas.
GT1
Develop transferable skills that will be of value in a wide range of situations. These are exemplified by the Qualifications and Curriculum Authority Higher Level Key Skills and include problem solving, communication, and working with others, as well as the effective use of general IT facilities and information retrieval skills. They also include planning self-learning and improving performance, as the foundation for lifelong learning/CPD.
IA1
Apply appropriate quantitative science and engineering tools to the analysis of problems.
KU1
Demonstrate knowledge and understanding of essential facts, concepts, theories and principles of their engineering discipline, and its underpinning science and mathematics.
KU2
Have an appreciation of the wider multidisciplinary engineering context and its underlying principles.
S3
Understanding of the requirement for engineering activities to promote sustainable development.
E1
Ability to use fundamental knowledge to investigate new and emerging technologies.
E2
Ability to extract data pertinent to an unfamiliar problem, and apply its solution using computer based engineering tools when appropriate.
E3
Ability to apply mathematical and computer based models for solving problems in engineering, and the ability to assess the limitations of particular cases.
P1
A thorough understanding of current practice and its limitations and some appreciation of likely new developments.
P3
Understanding of contexts in which engineering knowledge can be applied (e.g. operations and management, technology, development, etc).
US1
A comprehensive understanding of the scientific principles of own specialisation and related disciplines.
US2
A comprehensive knowledge and understanding of mathematical and computer models relevant to the engineering discipline, and an appreciation of their limitations.
US3
An understanding of concepts from a range of areas including some outside engineering, and the ability to apply them effectively in engineering projects.
US4
An awareness of developing technologies related to own specialisation.
Last modified: 03/05/2021 10:45
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