Module Catalogues, Xi'an Jiaotong-Liverpool University   
Module Code: EEE335
Module Title: Drives, and Power Generation, Transmission and Relaying
Module Level: Level 3
Module Credits: 5.00
Academic Year: 2020/21
Semester: SEM1
Originating Department: Electrical and Electronic Engineering
Pre-requisites: N/A
To understand the nature of the load on a power system and the way in which it is supplied by generators and transmitted to consumers.

To introduce students to a range of electrical machines (AC & DC) using the concepts of rotating magnetic fields, co-energy.

To facilitate the prediction of machine performance by the use of equivalent circuits.

To introduce students the relays popularly used in electrical machines and systems

To give the students an appreciation of the steady and transient operation of an integrated power system in terms of the electrical and other constraints on power flow.

To give students an appreciation knowledge with an introduction to the relay elements and work.

To understand the complex power flow in a network, including grounding in the matrix analysis of the network and load flow analysis.

Learning outcomes 
A. Understand the physical laws of electromagnetism and mechanics in electrical machines in analyzing their performance and characteristics, as well as the physical rules in power generation, transmission and distribution.

B. Analyze different electrical machines or power system issues by classical methodologies, such as equivalent circuits, complex number theory and rotating magnetic fields.

C. Master the skills in predicting performance of various machines, solving power flow and dynamics in power system and synchronizing of synchronous machines.

D. Show experience and enhancement of the skills in independent learning, problem solving and design.

Method of teaching and learning 
This module will be delivered through a combination of formal lectures, tutorials and supervised laboratory sessions.

Review of basic interaction of electric and magnetic circuits. Electromagnetic force and co-energy.

DC Machines

Basic DC motor, machines with more than 2 poles. Series and shunt connections and characteristics, use of permanent magnet fields. Development of the brushless DC machine, with the use of electronically switched supply to coils.

Rotating Magnet Fields

Basic concepts of space and time distribution; poly-phase supplies and windings, and the generation of rotating fields. View of machines as interacting primary and secondary fields. Star & delta connections. Three phase power.

Synchronous Machines

Construction, round and salient pole fields; analysis of operation and phasor diagrams. Operating characteristics. Interaction of rotor and stator mmf; excitation and load angle. Synchronization to supply system.


Construction; magnetic circuits; required material characteristics. Ideal transformer, referred quantities. Practical devices; leakage and magnetizing reactance's. Operation and equivalent circuit; power flow.

Induction Motors

Description of 3 phase device; asynchronous nature; interaction of rotor and stator fields. Analysis based on transformer type equivalent circuit. Slip, power flow and torque. Applications and starting techniques. Description of single phase machine.


The principles of current replays and voltage replays


Review of Power Systems, relationship between consumers and generators, impact of de-regulation, embedded generation

Transient Stability

Equal area criterion, critical clearing angle, and numerical calculation of load angle variation with time.

Power Flow

Representation of lines, short and long; real reactive power flow, admittance matrix for load flow analysis.

Delivery Hours  
Lectures Seminars Tutorials Lab/Prcaticals Fieldwork / Placement Other(Private study) Total
Hours/Semester 40    12  6    92  150 


Sequence Method % of Final Mark
1 Assessment Experiment 15.00
2 Midterm Exam 15.00
3 Final Exam 70.00

Module Catalogue generated from SITS CUT-OFF: 6/5/2020 8:54:36 PM