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 ...

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.” ...

To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of ...

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 ...

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 ...

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 ...

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 ...