A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, allowing engineers to test protective relays under controlled conditions.

Recently, the State Grid Suqian Power Supply Company, in the 220kV new Siyang substation commissioning and start-up project, piloted the use of a whole-station simulated on-load test and the ...

When installing feeder conductors for a stage or set (per Art. 530), an issue arises regarding the size of the overcurrent protection devices for the feeder conductors. Here's the situation. The ...

ENWIN Powerlines, Ltd., the organization responsible for the distribution of electric power in Windsor, Ontario, Canada, has undertaken a major substation automation initiative that will improve ...