html{display:none} APP 487E: SEL-487E Transformer Protection Relay | Schweitzer Engineering Laboratories
SELU APP

APP 487E: SEL-487E Transformer Protection Relay

Overview

This course is designed for utility and industrial protection engineers and power system consultants who want to gain experience communicating, setting, metering, monitoring, retrieving event reports, and performing control functions while working directly with an SEL-487E Transformer Protection Relay.

This three-day course provides hands-on application and settings guidance for the SEL-487E, used worldwide to protect and monitor a wide variety of transformers, including power transformers, generator step-up transformers, and autotransformers.

Agenda

Day 1
  • Protection Basics: Differential Protection
  • SEL-487E Relay Introduction
  • Set, Monitor, and Control the SEL-487E Using acSELerator QuickSet SEL‑5030 Software
  • Nameplate and Compensation Settings (includes a class exercise)
  • Using the SEL-5401 Test System Software (includes a class exercise)
Day 2
  • Logic and Testing
  • Relay Differential Elements
  • Single-Phase Testing of the SEL-487E Differential Element Without State Simulation
  • Commissioning Assistant
  • Event Reports and Sequential Events Recorder (SER)
  • Event Report Analysis
Day 3
  • Harmonic Blocking and Restraint Elements
  • Restricted Earth Fault Element (includes a class exercise)
  • Overcurrent Elements
  • Overcurrent Testing (includes a class exercise)
  • Voltage and Volts/Hertz Elements
  • Volts/Hertz Testing (includes a class exercise)

Additional Material

  • Thermal and Through-Fault Power Transformer Monitoring
  • Synchrophasors
  • SEL Compass

Course Objectives

At the conclusion of this course, students can:

  • Set the SEL-487E differential element for a variety of transformer types and applications.
  • Use acSELerator QuickSet SEL-5030 Software to manage settings, control operations, and monitor transformer performance.
  • Set restricted earth fault, overcurrent, and volts/hertz elements to protect the transformer.
  • Calculate test quantities, simulate fault conditions, and verify protection settings.
  • Use Commissioning Assistant software to simplify installation and testing.
  • Use SEL event analysis tools to retrieve and analyze event records captured by the SEL-487E. 
Course Information
Course Base Fees: $1,425 USD*

CEUs: 2.1
Available Courses

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Course Requirements

Prerequisites

Before you attend this class, you must meet the following requirements:

  • Completion of CBT 101: Introduction to SEL Relays OR basic familiarity with protective relaying, SELogic control equations, and front-panel controls
  • Ability to operate acSELerator QuickSet
  • Familiarity with transformer protection relays

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 software/features: