Electrical Drive Systems

EEEN30262 Electrical Drive Systems 10 Semester 2 Undergraduate Level 3 Judith Apsley Unit coordinator Sinisa Durovic Unit coordinator 1 FHEQ level (Framework for Higher Education Qualifications) ' Last part of a Bachelors ' European Credit Transfer & Accumulation System Rating : 5.0 Brief DescriptionThis unit will build on the material covered in the level 2 programme unit 'Machines, Drives and Power Electronics' to cover the selection, configuration and control of electrical machines and their associated power converters for a range of applications. Energy recovery from the load to the power network will also be included.The unit will cover the following:<ul><li>Reasons for using an electrical drive system, with examples across a range of applications. Drive system design for torque or speed control or control of other mechanical or electrical system variables.</li><li>Drive specification and selection, based on the torque-speed characteristic of the load and the torque-speed envelope of the motor, including field weakening. Driving and braking torque requirements of accelerating and decelerating loads.</li><li>Induction machines: comparison of energy use with direct-on-line operation, variable voltage control, scalar voltage/frequency control and variable resistance control; machine and drive system analysis; effect of terminal harmonics.</li><li>Synchronous machines: steady-state analysis of wound field and permanent magnet brushless machines, two-axis theory (d-q) to introduce closed-loop vector control and advanced control philosophies.</li><li>Elements of a typical electrical drive system and their configuration including: the power electronic interface; current and voltage control methods; 4-quadrant operation; energy recovery; dump resistor sizing; sensing; protection; switchgear and the controller platform.</li></ul> Brief DescriptionThis unit will build on the material covered in the level 2 programme unit 'Machines, Drives and Power Electronics' to cover the selection, configuration and control of electrical machines and their associated power converters for a range of applications. Energy recovery from the load to the power network will also be included.The unit will cover the following:<ul><li>Reasons for using an electrical drive system, with examples across a range of applications. Drive system design for torque or speed control or control of other mechanical or electrical system variables.</li><li>Drive specification and selection, based on the torque-speed characteristic of the load and the torque-speed envelope of the motor, including field weakening. Driving and braking torque requirements of accelerating and decelerating loads.</li><li>Induction machines: comparison of energy use with direct-on-line operation, variable voltage control, scalar voltage/frequency control and variable resistance control; machine and drive system analysis; effect of terminal harmonics.</li><li>Synchronous machines: steady-state analysis of wound field and permanent magnet brushless machines, two-axis theory (d-q) to introduce closed-loop vector control and advanced control philosophies.</li><li>Elements of a typical electrical drive system and their configuration including: the power electronic interface; current and voltage control methods; 4-quadrant operation; energy recovery; dump resistor sizing; sensing; protection; switchgear and the controller platform.</li></ul> The course unit aims to: Introduce the key components of electric drive systems; Show how to select an electrical drive based on the torque speed requirements of the driven load for a range of applications; Show how modern power electronics can be used for machine speed and torque control; Identify control strategies for improving the energy efficiency and controllability of driven systems and enabling kinetic or potential energy recovery. ILO 1 - Perform calculations on electrical drive systems based on different load requirements.ILO 2 - Evaluate different types of electrical drive systems for a given application addressing the effective through-life use of resources for a sustainable society.ILO 3 - Apply engineering principles to analyse the operation of electrical drive systems.ILO 4 - Identify energy-efficient operating strategies including energy recovery.ILO 5 - Perform tests, and take measurements on electrical drive systems.ILO 6 - Describe the principle of operation for different electrical drive system layouts and control techniques. Lectures with slides and lots of worked examples; two lab exercises; revision surgery. 0 Other 20% 1 Written exam 80% Two laboratory sessionsLab 1: Short report (7%)Lab 2: Assessed in-lab (3%) and by Blackboard quiz (4%)Blackboard mid-semester QuizA computer-based (Blackboard) quiz, including multiple choice and simple calculations, answer all questionsCalculators are permittedThe quiz forms 6% of the overall unit assessment . EEEN20212 Machines, Drives & Power Electronics Pre-Requisite Compulsory BEng(Hons) Electrical and Elec BEng(Hons) Electrical and Elec Third Year Optional BEng(Hons) Mechatronic Enginee BEng(Hons) Mechatronic Enginee Third Year Optional MEng (Hons) Electrical and Ele MEng (Hons) Electrical and Ele Third Year Optional MEng (Hons) Mechatronic Engine MEng (Hons) Mechatronic Engine Third Year Optional N <ol><li>Modern power electronics and AC drives by Bose, Bimal K. Prentice Hall PTR, 2002. ISBN: 0130167436</li><li>Electric drives and electromechanical systems by Crowder, Richard M. Butterworth-Heinemann, 2006. ISBN: 9780080492643</li><li>Electric motors and drives: fundamentals, types and applications by Hughes, Austin. author. Elsevier, 2013</li><li>Power electronic control of AC motors by Murphy, J. M. D. (John M. D.). Pergamon, 1988. ISBN: 0080226833</li><li>Electrical machines and drive systems by Hindmarsh, John. Butterworth-Heinemann, 1996. ISBN: 0750627247</li><li>Power electronics : converters, applications, and design by Mohan, Ned. Wiley, 2003. ISBN: 0471226939</li><li>Electrical control for machines by Giuliani, Peter R. Delmar, 2003. ISBN: 0766861988</li><li>Electrical machines, drives, and power systems by Wildi, Théodore. Prentice Hall, 2006. ISBN: 0131969188</li><li>Power electronics and motor drives: advances and trends by Bose, Bimal K. Academic, 2006. ISBN: 0120884054</li></ol> Lectures 24 Practical classes & workshops 6 0 70