html{display:none} APP 787: SEL-787 Transformer Protection Relay | Schweitzer Engineering Laboratories
SELU APP

APP 787: SEL-787 Transformer Protection Relay

Overview

APP 787 is intended for utility and industrial protection engineers and power system consultants.

This two-day course provides hands-on application and step-by-step settings guidance for the SEL‑787 Transformer Protection Relay. APP 787 includes applying simplified calculation methods and recommendations and using data from real-world transformers to develop protection settings. Students (in groups of two) will work directly with an SEL-787 Relay to configure system data and determine protection settings.

Agenda

Day 1
  • Product Overview
  • Differential (87) Element Settings
  • Commissioning Assistant
  • Relay Logic Settings
  • Through-Fault Event Monitor
Day 2
  • Restricted Earth Fault (REF) Element Settings
  • Overcurrent Elements
  • Overexcitation Volts/Hertz (24C) Element Settings
  • Over- and Undervoltage (59, 27) Protection
  • Frequency (81) Protection Settings
  • Event Report Retrieval and Analysis

Course Objectives

At the conclusion of this course, students can:

  • Use acSELerator QuickSet SEL-5030 Software to read and send settings to the relay
  • Determine system and transformer winding data and configuration settings
  • Calculate CT compensation, operate and restraint, and harmonic blocking settings
  • Test high- and low-voltage CT configuration settings using Commissioning Assistant
  • Determine settings for through-fault element protection and monitoring
  • Apply effective protection for restricted earth fault (REF), overexcitation, undervoltage, and underfrequency
  • Test settings by observing relay operation after current/voltage is applied
Course Information
Course Base Fees: $950 USD*

CEUs: 1.4
Available Courses
Vacaville, California, USA
March 27–28, 2019
This course is full. Please click waitlist button to be placed on the waiting list.
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Location:
Schweitzer Engineering Laboratories
810 Vaca Valley Pkwy, Ste 110
Vacaville, California 95688
USA

Additional Information:
8:00am-5:00pm each day

Recommended Hotel Information:

Hampton Inn & Suites Vacaville-Napa Valley 
800 Mason St
Vacaville, CA 95688
707-469-6200

Residence Inn by Marriott Vacaville
360 Orange Dr
Vacaville, CA 95687
707-469-0300

*Please note that these are only recommendations.

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Course Requirements

Prerequisites

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

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: