Insulation resistance testers, often called megohmmeters, are fundamental tools for preventive maintenance, used to assess ...

Power systems today operate in an environment where reliability and safety must be maintained despite rising loads, expanding ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

Industry Trends and Growing Demand for Primary Current Injection Testing Power systems worldwide are undergoing ...

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.” ...

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 system that should have isolated a faulty distribution cable but didn't led to the loss of power that darkened Manhattan for several hours, Con Ed said Monday in a preliminary ...

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. ...

Consolidated Edison (ED-0.8%) says preliminary results of an investigation into Manhattan's weekend power outage indicates a failed relay protection system was the primary cause, not a "significant ...

NEW YORK - A relay protection system that should have isolated a faulty distribution cable but didn’t led to the loss of power that darkened Manhattan for several hours, Con Ed said Monday in a ...