Teaching Responsibility
LJMU Schools involved in Delivery:
LJMU Partner Taught
Learning Methods
Lecture
Practical
Tutorial
Module Offerings
5502EEEBHG-JAN-PAR
Aims
This module is intended to achieve the following programme aims within the field of Electrical Engineering:
To enhance knowledge and understanding of the broad scientific and technological principles underpinning operation of electrical machinery.
To rehearse practical skills in the use of mathematical methods for modelling and analysing problems related to rotating electrical machines and transformers. The use of relevant test and measurement equipment by undertaking experimental laboratory work.
In particular to enhance the knowledge of electromagnetism and electromechanical energy conversion
Learning Outcomes
1.
Identify and apply to problems the laws of electromagnetism
2.
Outline the principles of electromechanical energy conversion.
3.
Discuss, analyse and evaluate steady-state operating characteristics of rotating electrical machines.
4.
Apply transformer models in the analysis of normal electrical system operation.
5.
Use standard tests on electrical machinery and analyse the results.
Module Content
Outline Syllabus:1. Fundamentals of electromagnetism: force and torque in magnetic field, induced electromotive force. Inductance and magnetic circuits: self-inductance, mutual and leakage inductance; magnetic circuits and reluctance of the magnetic path, B-H curve of magnetic material, cores with air-gap. Induced electromotive force: induction in stationary systems with time varying fields and in systems with movable parts in time dependent and time independent fields. Losses in ferromagnetic materials.
2. Electromechanical energy conversion: motoring and generating, time-domain modelling, torque and average torque, types of machines, rotating field.
3. Transformers: non-ideal single-phase transformer, equivalent circuit, voltage drop, losses and efficiency; three-phase transformers, winding connections.
4. Steady-state analysis of dc machines: types, circuits and equations, speed-torque curve. Steady-state analysis of induction machines: operating principle, equivalent circuit, phasor diagram, torque speed curve, losses and efficiency. Steady-state analysis of synchronous motors/generators: operating principles, active and reactive power, phasor diagrams, equivalent circuits, power and torque versus load angle curves.
Additional Information:It is expected that students undertaking this modules have a solid understanding of basic circuit theory
Assessments
Exam
Report