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: 2017/18
Semester: SEM1
Originating Department: Electrical and Electronic Engineering
Pre-requisites: N/A
   
Aims
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 
Students completing the module successfully should:
(note: for accreditation and other reasons, sub-headings could be added apart from the items below by departments)



A Knowledge and understanding

After successfully completing the module, the student should be able to:

understand deeper the physical laws of electromagnetism and mechanics and apply them to practical motors and transformers;

familiarise the features of the common machines such as DC (series, shunt and brushless) and AC (synchronous and asynchronous);

understand how the physical phenomena (represented by equivalent circuit parameters) affect the device performance;

appreciate relationships and similarities between different types of machines and their operating characteristics;.

understand how the relays protect the electrical system and machines;

understand the nature of the load on a power system and the way in which it is supplied by generators and transmitted to consumers.

understand how these generators are interconnected by the high-voltage transmission grid;.

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

An appreciation ofapperciate the value of per unit (p.u.) system in the analysis of large power system.



B Intellectual Abilities

After successfully completing the module, the student should be able to:

translate the complex physical nature of machines into a simple equivalent circuit representation;

apply the complex number theory learnt in other modules to the analysis of electrical machines;.

explain the operation of synchronous and asynchronous AC machines in terms of rotating magnetic fields;.

explain the principles of the relays and. Be able to convert the physical nature of the system into a set of network Kirchoff equations;

convert the voltage equations to power equations and solve then by iteration.

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


Transformers
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.


Relays
The principles of current replays and voltage replays


Deregulation
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 39     13  6    92  150 

Assessment

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: 10/22/2017 9:37:55 PM