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 ...

Cooper Power Systems has designed its full-featured differential relay, the iXP-420, to provide comprehensive two-winding transformer protection, and monitoring and control. The iXP-420 incorporates ...

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. ...

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 ...

The reason a large portion of midtown Manhattan and the Upper West Side suddenly went dark — and stayed that way for hours — is due to backup systems failing, according to Con Edison. A statement from ...