A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, allowing engineers to test protective relays under controlled conditions.

ABB has installed more than 700,000 SPACOM relays used for power system protection and reliable power system operation world-wide. With the older generation of relays now aging, ABB is developing new ...

As the electric distribution system transforms into a smarter network, Commonwealth Edison Co.’s distribution automation team has embarked on a step-change journey that will transform distribution ...

In 2005, Jersey Central Power & Light (JCP&L), a subsidiary of Akron, Ohio – based FirstEnergy Corp., initiated a project to identify protection system improvements that could be made to proactively ...

An I-Team review of regulatory filings shows, for the last decade, Consolidated Edison delayed and ultimately scrapped a program to spend $350 million dollars to modernize “relay protection systems.” ...

Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess the integrity of insulation in motors, cables, transformers, and other ...

Solid-state relays provide robust solutions for electronic switching in load control applications and hold many advantages over electromechanical relays. New, emerging solid-state relay designs offer ...

Con Edison blamed their relay protection system Monday for the weekend power outage in New York City, saying the system didn’t operate as designed, according to preliminary findings from the company. ...

Problematic power plant systems diminish availability and directly affect plant productivity and efficiency. In order to maintain availability, electrical testing and maintenance services are ...

Surge protection for an electrical panel controls how transient voltages enter and spread through branch circuits inside the panel, limiting internal equipment damage when external or switching surges ...