html{display:none} Search | Schweitzer Engineering Laboratories



Enter search term, product MOT number (reverse lookup or part lookup), or drawing number.


Category

94
104
224
146
154
20
22
33
166
5119 Results Found  Current Page: 1 of 512
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

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.

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…
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

Monitoring Harmonics With IEEE 519 Compliance Reporting

May 17, 2022

This recorded webinar highlights two solutions for monitoring harmonic distortion and confirming IEEE 519 compliance: SEL-5705 Synchrowave Reports, a new browser-based meter reporting tool, and the SEL Real-Time Automation Controller (RTAC).

Category

0
0
0
0
0
0
0
0
0

Document Type

607
136
44
184
106
165
24
287
230
63
40
290
80
50
299
6
128
881
45

Education Type

0
0
0
0
0
0
0
0
881 Results Found  Current Page: 1 of 89
Technical Paper

Considerations for the Protection of Adjustable Speed Drive Installations

This paper addresses how to protect an adjustable speed drive installation by breaking the application down into specific components: motor, drive, input mechanism, and feeder. The paper provides a brief background on the advantages and classifications of adjustable speed drives, followed by an overview of considerations for protecting adjustable speed drive feeders at different voltage levels. A real-world adjustable feed drive application fed from a high-voltage source is analyzed. Best design practices for selecting protection parameters are also shared.

Authors
  • Bhairavi Pandya
  • Derrick Haas
  • Anil Pandya, Tengizchevroil
  • Iulian Constantin, Tengizchevroil
Presented At
2022
  • PCIC
Date Code:   2022-07-18
Technical Paper

Case Studies on Ground-Fault Protection of Microgrid Power Systems With Diverse Power Sources

In this paper, we share the experiences of designing, installing, and commissioning grounding and ground fault protection systems for several different low-voltage and medium-voltage power systems. The diversity in design of low-voltage power systems, the limitations of inverters, and the requirements of the National Electric Code are explained.

Authors
  • Dirk Danninger
  • Scott Manson
  • Fernando Calero
  • Ceeman Vellaithurai
Presented At
2022
  • PCIC
Date Code:   2022-08-04
Technical Paper

Keep on Running—Select Motor Relay Settings to Balance Protection and Operation

Electric motors are essential for industrial processes. Incorrect operation of motor protective relays could remove essential motors from service, resulting in economic loss due to process interruptions. Motor protection schemes should cause minimum process downtime while providing adequate protection. These schemes should allow operators to maximize process availability. Thermal overload protection is a critical part of any motor protection scheme. This paper presents methods to set the thermal overload trip and reset settings correctly and provides examples of their application to several real-world installations. It discusses how the thermal overload settings can be developed from the motor data sheets when available. It also discusses how the settings can be developed for retrofit applications where complete motor thermal information might not be available. Additionally, this paper discusses how these settings affect motor operation and provides case studies of real-world motors.

Authors
  • Jim Payne, Phillips 66
  • Edgardo Miguel, Jr., Phillips 66
  • Krithika Bhuvaneshwaran
  • Derrick Haas
Presented At
2022
  • PCIC
Date Code:   2022-04-25
Technical Paper

How to Safely Island a Chemical Facility

This paper describes how rate-of-change of frequency (ROCOF) detection is used to safely island a chemical plant from a utility. This is followed by runback and generation shedding. Decoupling protection design, benefits, and limitations are explored with results from hardware-in-the-loop (HIL) testing. The ping-pong effect between sheddable loads and generators is discussed and underfrequency-based load shedding as back up is also introduced.

Authors
  • Asad Mohammad
  • Hariharan Subramanian
  • Anil Pandya, The Dow Chemical Company
  • Nigel Jordan, The Dow Chemical Company
Presented At
2022
  • PCIC
Date Code:   2022-04-25
Technical Paper

A Systematic Approach to Meet NERC PRC-027-1 Requirements – Beyond Compliance

Authors
  • Suhag Patel, Metropolitan Water District of Southern California
  • Daniel Paraiso, Metropolitan Water District of Southern California
  • Swati Agarwal
  • Xiao Geng
  • Ceeman Vellaithurai
Presented At
2022
  • Georgia Tech PRC
Date Posted:   0001-01-01
Date Code:   2022-04-05
Technical Paper

Case Study: Implementing a Microgrid Protection and Control System for Avista’s Shared Energy Economy Project

Authors
  • John Gibson (Avista Corporation)
  • Michael Diedesch (Avista Corporation)
  • Tyler McCoy
  • Niraj Shah
  • Tim George Paul
  • Ashish Upreti
Presented At
2021
  • WPRC
2022
  • Georgia Tech PRC
Date Posted:   0001-01-01
Date Code:   2022-04-05
Technical Paper

Bus Differential Protection Upgrade for a 1,500 MVA Nuclear Power Plant With Atypical Connections

Authors
  • Ronald Cole (Dominion Energy)
  • Richard Tuck (Dominion Energy)
  • Thomas Solinsky (Zachry Nuclear Engineering, Inc.)
  • Carolyn Sun
  • Ritwik Chowdhury
  • Ahmed Abd-Elkader
  • Bernard Matta
Presented At
2022
  • Georgia Tech PRC
  • Texas A&M Relay Conference
Date Posted:   0001-01-01
Date Code:   2022-03-22
Technical Paper

Stop the Epidemic! Transformer Protection Misoperations

Authors
  • Michael Thompson
  • John Hostetler
  • Ariana Hargrave
  • Sumit Sawai
Presented At
2021
  • WPRC
2022
  • Georgia Tech PRC
  • Texas A&M Relay Conference
Date Posted:   0001-01-01
Date Code:   2021-11-16
Technical Paper

UHS Relay Testing for Optimal Protection of a Long 345 kV Line With Series Compensation

Authors
  • Matthew J. Lewis, Lone Star Transmission, LLC
  • Faris M. Elhaj, OMICRON electronics Corp.
  • Richard D. Kirby
Presented At
2021
  • WPRC
2022
  • Georgia Tech FDA
  • Texas A&M Relay Conference
Date Posted:   0001-01-01
Date Code:   2022-03-18
Technical Paper

A Fresh Look at Distribution Protection

Authors
  • Edmund O. Schweitzer, III
  • Gary W. Scheer
  • Mark W. Feltis
Presented At
1992
  • International Symposium on Distribution Automation and Demand Side Management
Date Posted:   0001-01-01
Date Code:   1991-04-01