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 ...

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

Mitsubishi Electric recently visited EnergyVille, a collaboration between the Flemish research partners KU Leuven, VITO, imec and UHasselt, to install a prototype of its HVDC line protection relay ...

Solid-state relays provide robust solutions for electronic switching in load control applications and hold many advantages over electromechanical relays. New, emerging solid-state relay designs offer ...

The PGR-8800 is a microprocessor-based protection relay that limits arc-flash damage by using light sensors to rapidly detect the arc and then trip a circuit breaker. Phase current-transformer inputs ...

A vulnerability in the Siemens Digsi 4 protocol, which allowed a denial-of-service attack against the company's SIPROTEC 4 protection relays, was discovered recently by the Israeli security outfit ...

Mozilla has announced the integration of Firefox Relay, an email protection system that helps users evade trackers and spammers, directly into the Firefox browser. From now on, whenever a user browses ...