Module Catalogues, Xi'an Jiaotong-Liverpool University   
Module Code: EEE340
Module Title: Protective Relaying
Module Level: Level 3
Module Credits: 5.00
Academic Year: 2019/20
Semester: SEM2
Originating Department: Electrical and Electronic Engineering
Pre-requisites: N/A
To understand the general philosophies of power system protection, especially its objectives, affecting factors, classification and principles of application.

To understand necessary basic knowledge for power system relay protection, as well as operating features and analysis methods.

To introduce students different methodologies of protection for different protective objects, including generator protection, transformer protection, line protection, bus protection and pilot protection, etc.

To make students aware about the effects of protection for power system security and stability.

Learning outcomes 

A. Master the general philosophies of power system protection and relations with the future expected smart grids.

B. Comprehend basic power system protection equipment with corresponding methodologies.

C. Design protection solutions for specific engineering problems and perform corresponding calculations.

D. Analyze given protection systems to identify defects and develop solutions.

E. Perform further study and academic research in topics related to power system security and stability.

Method of teaching and learning 
This module will be delivered through a combination of formal lectures and tutorials.
Lectures 1-2: Overview of the course: Introduction to the basic philosophies of power system protection, Introduction to relays, History of power system protection.

Lectures 3-4: Review of basic knowledge: Symmetrical faults & unsymmetrical faults, Symmetrical components, Sequence network model, Transient stability.

Lectures 5-7: Overcurrent protection for power system: Overcurrent protection for phase faults in single source network, Directional overcurrent protection for phase faults in doubled ended source system, Zero sequence current protection for earth faults in the neutral directly grounded system, Protection system for single phase earth fault in the neutral indirectly earth systems.

Lectures 8-10: Distance relaying protection: Principles of impedance (distance) relays, Implementation and characteristics of impedance relays, Setting calculation, Power swing blocking of distance protection, Special problems analysis of distance protection.

Lectures 11-12: Pilot protection: Pilot system classification, Protection channel classification (Wire Pilot, Power Line Carrier Pilot, Microwave Pilot, Fiber-Optic Pilot), Directional comparison pilot protection, Current comparison pilot protection.

Lectures 13-15: Generator protection: Characteristics of faults and abnormal operating states for generators and corresponding protection solutions, Protection for generator stator, Generator negative current protection, Lost excitation protection for generators, Grounded field winding protection of generators.

Delivery Hours  
Lectures Seminars Tutorials Lab/Prcaticals Fieldwork / Placement Other(Private study) Total
Hours/Semester 40    12      98  150 


Sequence Method % of Final Mark
1 Assignment 20.00
2 Final Exam 80.00

Module Catalogue generated from SITS CUT-OFF: 5/23/2019 5:42:36 AM