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 ...

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.” ...

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 ...

Xiaowan Hydropower Station on the Lancang River in Southwest China's Yunnan province [File photo/CCTV] An independently developed relay protection system has been put into use at the Xiaowan ...

NEW YORK (AP) - 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 ...

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 ...

New York Mayor Bill de Blasio, center left, listens to Con Ed President Tim Cawley, Sunday, July 14, 2019, as the mayor visits the site of Saturday night's power outage, on New York's Upper West Side.

NEW YORK (AP) — 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 ...

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 ...