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 ...

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.

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 ...

The iSSR features an embedded oscilloscope mode, capable of capturing at least one second of current waveform data at a 100 kHz sample rate, enabling engineers to analyze startup behavior, fault ...

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.” ...

Electrical power distribution systems have gone through some significant evolutions in capability over the last few decades. The traditional distribution system is the interconnection of various power ...

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