Protective Relay Testing Using EMTP and Digital Simulators

Location: Texas A&M University, College Station, TX
Course Faculty: M. Kezunovic, A. Abur-- TAMU
D.R. Sevcik -- Reliant Energy HL&P
Bogdan Kasztenny -- GE Power Management
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Introduction:

This course offers the unique opportunity to learn all the steps in using advanced software and hardware tools to perform transient testing of protective relays.

The course starts with simulating electromagnetic transients using the ElectroMagnetic Transient Program (EMTP). The relay design part of the course provides insides of modern digital relays and helps in understanding the behavior of relays under transient test. Digital simulators part is focusing on the requirements, hardward and related software tools. The testing practices and methodologies using transient modeling and digital simulators are presented.

Exceptional laboratory resources are available at TAMU including personal computers, digital simulators and variety of digital relays to be used in the hands-on part of this short course.

Who should attend

Engineers responsible for utility protection, control and planning

Engineers responsible for relay developments and evaluation

Personnel in charge of relay and substation maintenance and testing

Developers & users of test equipment

Engineering consultants

University faculty and advanced graduate students

Unique Features and Benefits

Access to Texas A&M University™s laboratory equipped with electromagnetic transient program workstations, protective relays, and a two-terminal digital simulator for relay testing

Hands-on experience in power system modeling as well as relay testing using digital simulators
Education on signal and logic processing in microprocessor-based relays, and relay testing methodologies
Experience in assessing performance characteristics of digital simulators
Experience in testing and evaluating protective relays using transients programs and digital simulators

Day # 1:

8.00a.m. - M. Kezunovic, A. Abur, Texas A&M University

Introduction:

Course objectives and outline
Protective relaying testing practices
Introduction to transient simulations
Guidelines and simulation methods

9.00a.m. - A. Abur, Texas A&M University

Simulation Programs:

Electromagnetic transient programs
Data Requirements
Input interface
Output processing

10.00a.m. - A. Abur, Texas A&M University

Transmission Line Modeling

Transmission line parameter calculations
Traveling waves
Multi-phase models, modal analysis
Discrete time models for transients simulation

12:00-1:00p.m. : Lunch Break

1:30a.m. - A. Abur, Texas A&M University

Transmission Line Modeling - continued.

Distributed, constant parameter models
Frequency dependent models
Source models and network equivalencing

3:30a.m. - A. Abur, Texas A&M University

Transformer Modeling

Nonlinear elements: data requirements
Multi-phase, multi winding transformer models
Saturation and inrush
Instrument transformers: CT’s and CCVT’s

5.00p.m. Adjourn

Day # 2:

8:00a.m. - A. Abur, Texas A&M University

Computer Laboratory Exercises

Simple switching transients
Simulation of faults: effects of fault resistance, type, inception angle, location
Long and short lines
Mutually coupled lines
Series capacitors and MOV’s
Network equivalents

10:00a.m. - M. Kezunovic, Texas A&M University, B. Kasztenny, GE Power Management

Protective Relaying I

Microprocessor distance relays
Microprocessor relay hardware
Data sampling, filtering and multiplexing
A/D conversion, data storing and processing

12:00-1:00p.m. : Lunch Break

1:30p.m. – M. Kezunovic, Texas A&M University, B. Kasztenny, GE Power Management

Protective Relaying II

Microprocessor relay software
Fault detection and classification
Digital algorithms for impedance computation

3:30p.m. - M. Kezunovic, Texas A&M University

Digital Simulators

Simulator configuration
Relay testing methodology
Simulator requirements

5.00p.m. Adjourn

Day # 3:

8.00a.m. - D.R. Sevcik, Reliant Energy HL&P, M. Kezunovic, Texas A&M University

Laboratory Exercises: Relay Testing

Test cases
Relay design testing
Relay application testing
One terminal testing
Two terminal testing

noon – Adjourn

 

 

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Last modified: April 4, 2002