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 ...

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 ...

Relays have enabled low-voltage signals to control high-voltage systems since before the invention of the transistor. With very low on-resistance, the venerable electromechanical relay (EMR) still ...

Most industrial facilities include electric motors that require overload relays for protection, control and monitoring purposes. The latest overload relays are often called motor management relays ...

Members can download this article in PDF format. Power systems employ diodes to perform a variety of functions. For example, diodes can protect against damage due to power-source reverse-polarity ...

Protect your devices with effective surge protection and power outage safety tips. Learn practical electronics protection ...