AC and DC Circuit Breakers for Overcurrent Protection

Published by Alex Roderick, EE Power – Technical Articles: AC and DC Circuit Breakers for Overcurrent Protection, March 05, 2021. This article highlights circuit breaker that is an overcurrent protection device (OCPD) designed to protect electrical devices and individuals from overcurrent conditions. A circuit breaker is an overcurrent protection device (OCPD) designed to protect electrical devicesContinue reading “AC and DC Circuit Breakers for Overcurrent Protection”

Overvoltage Induced in Overhead Power Lines by nearby Lightning Stroke

Published by Grzegorz MASŁOWSKI, Robert ZIEMBA, Tomasz KOSSOWSKI,Rzeszow University of Technology Abstract. The results of simulations of overvoltages induced in the overhead transmission line, caused by nearby lightning stroke are presented. Calculations were made using the LIOV module implemented in the EMTP-RV program. The influence of the distance of the lightning channel from the lineContinue reading “Overvoltage Induced in Overhead Power Lines by nearby Lightning Stroke”

Understanding the Interaction between Lightning and Power Transmission Lines

Published by Lorenzo Mari, EE Power – Technical Articles: Understanding the Interaction between Lightning and Power Transmission Lines, November 21, 2020. Learn about the impact lightning strikes have on transmission lines and proper grounding’s role in lowering the chances of irreversible damage to a power system. Lightning disturbances are usually a significant issue for transmissionContinue reading “Understanding the Interaction between Lightning and Power Transmission Lines”

AC Ground Faults, the Boater, and ABYC—Understanding Equipment Leakage Circuit Interrupters (ELCIs) and Ground Fault Circuit Interrupters (GFCIs) to make your boat safer.

Published by Blue Sea Systems Inc., website: http://www.bluesea.com There are two potential failures in a boat’s electrical system that can put people on or around the boat at risk of lethal electric shock. Understanding Equipment Leakage Circuit Interrupters (ELCIs) and Ground Fault Circuit Interrupters (GFCIs) to make your boat safer. In a properly functioning marineContinue reading “AC Ground Faults, the Boater, and ABYC—Understanding Equipment Leakage Circuit Interrupters (ELCIs) and Ground Fault Circuit Interrupters (GFCIs) to make your boat safer.”

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

Published by Dirk Danninger IEEE Member Schweitzer Engineering Laboratories, Inc. 2350 NE Hopkins Court Pullman, WA 99163, USAScott Manson Senior Member, IEEE Schweitzer Engineering Laboratories, Inc. 2350 NE Hopkins Court Pullman, WA 99163, USAFernando Calero IEEE Member Schweitzer Engineering Laboratories, Inc. 2350 NE Hopkins Court Pullman, WA 99163, USACeeman Vellaithurai Senior Member, IEEE Schweitzer EngineeringContinue reading “Case Studies on Ground-Fault Protection of Microgrid Power Systems with Diverse Power Sources”

What is Electric Motor Testing and Why is it Done

Published by Carelabs (Carelabz), Website: carelabz.com Electrical maintenance programs are designed to increase equipment promptness and uptime while decreasing capital operating cost. Electric Motor Testing is usually the first thing to be sacrificed when cutting back on operational expenses. But smart companies, understands that without proper maintenance programs, there is billions of dollars of lost revenueContinue reading “What is Electric Motor Testing and Why is it Done”

Surge Protection Technical Supplements

Published by Electrical Installation Wiki, Chapter J. Overvoltage protection – Surge protection technical supplements Lightning protection standards The IEC 62305 standard parts 1 to 4 (NF EN 62305 parts 1 to 4) reorganizes and updates the standard publications IEC 61024 (series), IEC 61312 (series) and IEC 61663 (series) on lightning protection systems. Part 1 – General principles ThisContinue reading “Surge Protection Technical Supplements”

Grounding of Wind Power Systems and Wind Power Generators

Published by Sergio Panetta, International Association of Electrical Inspectors (IAEI) Magazine, Evolving Technologies – Grounding of Wind Power Systems and Wind Power Generators, May 16, 2010 Power continuity is essential in wind power projects where a tripped overcurrent device due to ground fault can have serious economic or operational consequences. An arcing phase-to-ground fault canContinue reading “Grounding of Wind Power Systems and Wind Power Generators”

Surge Protection Application Examples

Published by Electrical Installation Wiki, Chapter J. Overvoltage protection – Surge protection Application examples SPD application example in Supermarket Solutions and schematic diagram • The surge arrester selection guide has made it possible to determine the precise value of the surge arrester at the incoming end of the installation and that of the associated disconnection circuitContinue reading “Surge Protection Application Examples”

Grounding and Bonding — New Questions and Answers

Published by Ark Tsisserev, International Association of Electrical Inspectors (IAEI) Magazine, Canadian Perspectives – Grounding and Bonding — New Questions and Answers, July 1, 2021 Although Section 10 of the Canadian Electrical Code, Part I (CE Code), which applies to grounding and bonding, has been re-written in the 2018 edition of the Code, I keep receivingContinue reading “Grounding and Bonding — New Questions and Answers”