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 ...

Traditionally, electric supply reliability and power quality have been viewed as separate concerns. However, in today's digital environment, the two are closely interconnected. Reliable power depends ...

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 ...

Out-of-step protection is a critical component of modern power system protection schemes—its importance has grown ...

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 ...

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 ...

Earn a Master’s in Electrical and Computer Engineering, with a focus on power systems, from the comfort of your office or home. View lectures at your convenience. Off-campus students enroll in the ...

People in the power industry understand inertia and its importance to grid stability. As large thermal power plants and other inertia-providing units are replaced with renewable resources that provide ...

ATHENS, Texas, Sept. 17, 2025 /PRNewswire/ -- REI Utility Services, a leading provider of power systems engineering and field services to electric utilities, announced today that it has acquired ...