Using sophisticated power electronics and communications systems to improve power system efficiency, flexibility and reliability is increasing interharmonic distortion and putting new equipment ...

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.

The rate of transient occurrences varies with every power system. Recent studies show that surges of 1kV or less are common — whereas 3kV surges are rare. Protecting against more frequent (internally ...

For decades, electricity regulators have treated tight control of grid frequency as a basic sign of power system security. If the frequency stayed close to the nominal value, the system was considered ...

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 ...