html{display:none} TST 101: SEL Relay Testing Basics | Schweitzer Engineering Laboratories
SELU TST

TST 101: SEL Relay Testing Basics

Overview

This course is intended for relay technicians or protection engineers and system consultants with an interest in relay testing.

TST 101 provides a beginner-level introduction to testing SEL relays. Students will learn basic relay testing skills; acquire skills required to work with SEL relays, such as using Relay Word bits and relay event reports; and practice acquired skills by working with a phase and ground distance (SEL-311C) relay during the training.

Agenda

Day 1
  • Introduction to Relay Testing
  • Introduction to SELogic Control Equations
  • Introduction to Symmetrical Components
  • Using acSELerator QuickSet SEL-5030 Software With
    the SEL-311C
  • Testing Aids and Tools
  • SEL-311C Transmission Protection System Overview 
  • SEL-5401 Relay Test System Software
  • Introduction to Overcurrent Relay Testing (includes a hands-on exercise)
Day 2
  • Negative-Sequence Impedance Directional Element Testing (includes a hands-on exercise)
  • Distance Relay Testing (includes a hands-on exercise)
  • Interpreting Event Report Data
  • Reference: Creating Multistate Tests
  • Appendix: Basic Relay Communications

Course Objectives

At the conclusion of this course, students can:

  • Establish a serial communications link with an SEL relay using SEL software
  • Enter settings into an SEL relay
  • Equate Relay Word bits and SELogic control equations to traditional relay element outputs and discrete contact logic
  • Test, commission, and troubleshoot using metering, sequential events recording, and event reporting features of SEL relays
  • Analyze information recorded by the relay using SEL software
  • Calculate relay test points to verify responses
  • Find information in the SEL relay instruction manuals

Course Requirements

Prerequisite

The ability to operate a personal computer.

Course Preparation

Please check the General Course Information page for what you should bring to class. In addition, please make sure that the laptop you bring to class has the following features and the most recent version of the following software:

  • acSELerator QuickSet SEL-5030 Software with the SEL-311C driver and instruction manual, installed and updated through SEL Compass
  • SEL-5401 Test Software
  • SEL USB driver
  • SEL-5601-2 synchroWAVe Event Software

Course Information
Course Base Fees: $USD850*
CEUs: 1.4
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