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SEL Cables

SEL manufactures high-quality cables for connecting a variety of devices. You can order cables to specific lengths to meet your needs. Each cable is quality tested to ensure reliability and proper operation.
SEL University Course

APP 751: SEL-751 Feeder Protection Relay

August 31–September 1, 2022
Jacksonville, FL, USA
Recorded Webinar

Simple and Scalable—Fault Location, Isolation, and Service Restoration Solutions

August 25, 2021

This webinar describes scalable fault location, isolation, and service restoration (FLISR) solutions that use SEL recloser controls, communications devices, automation controllers, and software to locate and isolate permanent faults and restore power …
Recorded Webinar

Finding Simplicity in the Complex World of Feeder Protection

July 14, 2021

It's possible to get more out of a basic feeder protection relay without adding complexity. We've combined protection, monitoring, and control in a simple, compact package in the new SEL-851 Feeder Protection Relay.
Recorded Webinar

SEL Blueframe—A Secure Application Platform Designed for Operational Technology Systems

May 26, 2021

This webinar introduces the SEL Blueframe and Data Management and Automation applications. During the webinar, you will learn how these new solutions support your efforts in increasing system security, efficiency (ease of use), and data utilization.
Recorded Webinar

Simplify Meter Commissioning, Troubleshooting, and More With a Touchscreen

August 12, 2020

This webinar focuses on the SEL-735 Power Quality and Revenue Meter with a color touchscreen display. During the webinar, you will learn how the display simplifies meter setup, data access, troubleshooting, and testing. We will provide examples of how…
Recorded Webinar

Generating Meter Reports With Microsoft Power BI

September 11, 2019

This webinar demonstrates how you can create and customize your own reports using energy and power quality metering data from SEL meters. During the webinar, you will learn how to retrieve and store SEL-735 Power Quality and Revenue Meter data with

Recorded Webinar

Reliable and Accurate Metering Under All Power System Conditions

March 28, 2018

In the past, power systems were dominated by linear loads and power generation sources. Today, this simple situation no longer exists and power systems include an increasing number of nonlinear loads and sources.

Classroom Seminar

Classroom Seminar in Lakewood

December 7, 2022
Lakewood, CO, USA
Recorded Webinar

SEL powerMAX for Utilities—Advancing Remedial Action Schemes

April 28, 2021

This webinar discusses how an SEL powerMAX remedial action scheme (RAS) solution helps the bulk power system function closer to stability limits and prevents blackouts. We also cover how to operate transmission corridors m…

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606 Results Found  Current Page: 1 of 61
  Locked Application Guide

Making SEL-351R Recloser Controls Talk

Application Guide - The SEL-351R Recloser Control can be used to develop a voltage throw-over scheme. Schemes of this type are used to monitor the line voltages from two sources and automatically transfer the load to a healthy source during service interruptions.

Authors
  • Mike Collum
Document Part Number:   AG2000-06
Date Code:   2000-08-24
  Locked Application Guide

Testing the Conventional Out-of-Step Element Using Multistate Tests for Line Protection Relays

This application guide provides a step-by-step method for testing the conventional OOS element and the OOS blinders in SEL relays. Use this application guide to test the element using multistate tests. The spreadsheet accompanied with this application guide automatically calculates all test points for the user based on the relay settings.

Authors
  • Hardesh Khatri
  • Jared Candelaria
  • Ryan McDaniel
Related Content
Document Part Number:   AG2021-15
Date Code:   2021-08-02
  Locked Application Guide

Setting the Modbus User Map on the SEL-734 and SEL-735 Meters Using the RTAC and FileIO Library

This application guide provides an example for setting the custom Modbus user map in the SEL-734 Advanced Metering System and SEL-735 Power Quality and Revenue Meter. It also includes a unique application example using a real-time automation controller (RTAC) with the FileIO Library to programmatically read a text file containing the custom user map and write the user map to the meter via Modbus.

Authors
  • Andy Gould
  • Ryan Syslo
  • Chris Bontje
Document Part Number:   AG2016-11
Date Code:   2016-03-08
  Locked Application Guide

Calculating and Testing the Operating Time of an Inverse-Time Overcurrent Curve

This application guide shows how to calculate and test the operating time of inverse-time overcurrent protection elements. Use the accompanying spreadsheet to calculate curve operating times based on relay settings and applied current.

Authors
  • Nick Stueve
  • Ariana Hargrave
  • Swagata Das
Document Part Number:   AG2015-08
Date Code:   2016-01-12
  Locked Application Guide

Single-Phase Testing of the SEL-487E Differential Element Without State Simulation

Application Guide - This application guide demonstrates steady-state, single-phase testing of the SEL-487E Transformer Protection Relay differential element and does not require state simulation. For a complete reference on testing this relay, refer to SEL Application Guide AG2010-07 [1].

Authors
  • David Costello
  • Jason Young
Document Part Number:   AG2010-09
Date Code:   2015-06-22
  Locked Application Guide

Using a Script to Automate Firmware Updates for SEL-3610, SEL-3620, or SEL-3622 Devices

This application guide explains how to use a script to easily update the firmware on one or more SEL-3610, SEL-3620, or SEL-3622 devices.

Authors
  • George Masters
  • Brian Crites
Document Part Number:   AG2014-17
Date Code:   2021-02-11
  Locked Application Guide

Learning QuickSet Design Templates Through Job Done Examples

This application guide provides a brief overview and then explains the core concepts of QuickSet Design Templates through several Job Done® examples of increasing difficulty. Each completed example is included in an .rdb file that accompanies this application guide.

Authors
  • Tom McQuilken
Document Part Number:   AG2019-24
Date Code:   2019-11-26
  Locked Application Guide

Using an Offline Software Tool for Fault Location Estimation

Application guide - This application guide describes how to calculate fault locations using voltages and currents from all line terminals and a Microsoft® Excel® spreadsheet that is available for download with this
application guide at http://www.selinc.com. This method is more accurate than the single-ended method as long as the data are stable.

Authors
  • Alex Rangel
Document Part Number:   AG2012-13
Date Code:   2012-12-02
  Locked Application Guide

Example Settings for Using Two SEL-487B Relays for a Ten-Breaker Bus

This application guide discusses how to configure two SEL-487B-1 relays for a bus differential protection application where the bus feeds ten circuit breakers.

Authors
  • Jared Candelaria
  • Muhammad F. Hamid
Related Content
Document Part Number:   AG2020-34
Date Code:   2020-10-12
  Locked Application Guide

How to Fix the HTTPS Untrusted Server Error on an SEL Web-Enabled Device

Application guide - How to Fix the HTTPS Untrusted Server Error on an SEL Web-Enabled Device

Authors
  • George Masters
  • Ben Herrmann
Document Part Number:   AG2013-15
Date Code:   2015-08-24