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Product

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.
Recorded Webinar

Achieving Resiliency at Any Scale With SEL Microgrid Controls

December 15, 2021

This webinar focuses on the techniques, technologies, and engineering approaches that give SEL powerMAX microgrid control systems the scalability and versatility to meet a diverse range of use cases, including commercial, …
Recorded Webinar

Enhance Distribution Protection With the SEL Wireless Protection System (Europe)

Thursday, 30 March 2023

This recorded webinar focuses on the SEL Wireless Protection System and its new SEL-RP50 Fault Repeater. The system, which also includes the SEL-FT50 Fault Transmitter and SEL-FR12 Fault Receiver, is a simple and cost-effective solution for utilities …
Recorded Webinar

Introducing Next-Generation FLISR Software on Blueframe

June 8, 2022

This webinar introduces and demonstrates SEL’s next-generation solution for automating fault location, isolation, and service restoration (FLISR)—available in the new Distribution Management System (DMS) application suite on the SEL Blueframe software…
Recorded Webinar

Beyond the Nameplate: Selecting Transformer Compensation Settings for Secure Differential Protection

August 18, 2021

In this technical presentation, we teach you what you need to know to avoid costly outages due to incorrect transformer compensation settings. We present four simple rules to ensure that you always get your transformer compensation settings correct, a…
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

Cybersecurity for Critical Infrastructure (Europe)

Thursday, 27 May 2021

This technical presentation provides information on SEL cybersecurity solutions for substation operational technology (OT) and software-defined networking (SDN).

Recorded Webinar

Enhance Distribution Protection With the SEL Wireless Protection System

May 12, 2021

This webinar focuses on the SEL Wireless Protection System and its new SEL-RP50 Fault Repeater. The system, which also includes the SEL-FT50 Fault Transmitter and SEL-FR12 Fault Receiver, is a simple and cost-effective solution for utilities to enhanc…
Recorded Webinar

Finding Simplicity in the Complex World of Feeder Protection (Europe)

Thursday, 28 October 2021

This webinar describes the new SEL-851 Feeder Protection Relay, which offers comprehensive protection and advanced communications in a simple, compact package.
Recorded Webinar

From Copper to Fiber—Four Keys to Successful Substation Modernization

October 7, 2020

This webinar focuses on how an SEL Time-Domain Link (TiDL) technology solution applies to four key factors to successfully modernize substations: protection, robustness, maintainability, and cybersecurity.

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46 Results Found  Current Page: 1 of 5
White Paper

Tutorial on Symmetrical Components Part 1: Examples

This white paper provides both theoretical and real-world examples with questions that can be used to gain experience with symmetrical components. The full solutions to these questions can be found in the white paper "Tutorial on Symmetrical Components, Part 2: Solutions."

Authors
  • Ariana Amberg
  • Alex Rangel
Date Posted:   2022-11-07
Date Code:   2013-04-22
White Paper

Advanced Event Analysis Tutorial Part 2: Answer Key

Event reports continue to be an invaluable feature in microprocessor-based relays. Some events are relatively straightforward to analyze, and others require experience and considerable knowledge of the power system and protective relay system in order to find root cause. This session provides several advanced real-world event examples, time to evaluate them, and solutions.

Authors
  • Karl Zimmerman
Date Posted:   2017-02-18
Date Code:   2013-07-24
White Paper

Advanced Event Analysis Tutorial Part 1: Questions

Event reports continue to be an invaluable feature in microprocessor-based relays. Some events are relatively straightforward to analyze, and others require experience and considerable knowledge of the power system and protective relay system in order to find root cause. This session provides several advanced real-world event examples, time to evaluate them, and solutions.

Authors
  • Karl Zimmerman
Date Posted:   2018-05-15
Date Code:   2013-07-24
White Paper

Event Analysis Tutorial Part 2: Answer Key

Event reports have been an invaluable feature in microprocessor-based relays since the initial introduction of the technology. The days of unknown root cause for an operation, lengthy outages, or unexplained test results are largely over due to this tool and the ability of engineers and technicians to use it. We must practice to become proficient at analyzing event reports. This session provides real-world event examples, time to evaluate them, and solutions.

Authors
  • David Costello
Date Posted:   2017-02-17
Date Code:   2012-01-13
White Paper

Event Analysis Tutorial Part 1: Problem Statements

Event reports have been an invaluable feature in microprocessor-based relays since the initial introduction of the technology. The days of unknown root cause for an operation, lengthy outages, or unexplained test results are largely over due to this tool and the ability of engineers and technicians to use it. We must practice to become proficient at analyzing event reports. This session provides real-world event examples, time to evaluate them, and solutions.

Authors
  • David Costello
Date Posted:   2017-02-18
Date Code:   2012-01-13
White Paper

Tutorial on Symmetrical Components Part 2: Answer Key

This white paper provides both theoretical and real-world examples with questions and solutions that can be used to gain experience with symmetrical components.

Authors
  • Ariana Amberg
  • Alex Rangel
Date Posted:   2020-10-20
Date Code:   2020-10-19
White Paper

Automating Protection System Monitoring and Verification With the SEL RTAC

This white paper describes how to use the SEL Real-Time Automation Controller (RTAC) to build an automated system to continuously monitor and validate many of the components identified in the NERC PRC-005 standard.

Authors
  • Darrin Kite
  • Robin Jenkins
Date Posted:   2022-01-28
Date Code:   2016-01-11
White Paper

Comparison of Mirrored Bits Communications and Ethernet IEC 61850 GOOSE for Teleprotection Using Spread-Spectrum Radio

This paper shows that the specific considerations of using ISM band spread-spectrum radio impact the protection scheme and give Mirrored Bits® communications a significant advantage over IEC 61850 GOOSE messages.

Authors
  • Roy Moxley
Date Posted:   2017-02-18
Date Code:   2007-11-12
White Paper

Leveraging Security – Using the SEL RTAC's Built-In Security Features

This white paper discusses SEL Real-Time Automation Controller (RTAC) security concepts and provides configuration examples to empower engineers, technicians, and security personnel to protect critical cyberassets.

Authors
  • Darrin Kite
Date Posted:   2022-01-28
Date Code:   2016-01-11
White Paper

RTAC System Performance

The SEL-3530, SEL-3530-4, and SEL-2241 Real-Time Automation Controllers (RTACs) are ultrarugged remote terminal unit (RTU) and programmable logic controller (PLC) systems. An RTAC can operate as the controller for the SEL-2240 Axion, which is a modular I/O system where up to 60 modules can connect to a high-speed, deterministic EtherCAT network. We performed processing analysis and testing to determine the performance of the RTAC with the Axion I/O system. This paper summarizes these tests results and provides recommendations to determine an optimal processing cycle time for any particular application.

Authors
  • Francisco Chumbiauca
Date Posted:   2022-04-12
Date Code:   2011-11-02