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.

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.” ...

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 ...

Mitsubishi Electric recently visited EnergyVille, a collaboration between the Flemish research partners KU Leuven, VITO, imec and UHasselt, to install a prototype of its HVDC line protection relay ...

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

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. ...

A transformer protection relay does not replace upstream devices. It defines responsibility. By clearly assigning fault detection to the transformer zone, it allows feeders, breakers, and system ...

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 ...