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 ...

One of Demetrios Tziouvaras’ favorite things about his job at SEL University is sharing his knowledge and experience with other engineers who are eager to learn the art and science of power system ...

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 ...

Your industrial uninterruptible power supply (UPS) is the foundation of the emergency power system, and it ensures the continual operation of your facility under fault or other abnormal conditions.

Power relays are specifically designed to handle either AC or DC. It’s important to know the fundamental differences between them before building them into a system. Introduction to AC and DC Power ...

These power supply and protection solutions are ideal for security systems, AV/Pro AV equipment, servers/networks, telephone systems for both commercial and residential computer systems. The units do ...

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 ...