What is a PLC? How is it Smarter than a Relay? —— An explanation from an electrical teacher who has worked with Siemens S7-300 for ten years When I was a child, my father, who worked in electric welding, once told me: “Relays are not useless; you just have to keep an eye on them.” … Read more
Click the blue text above to follow us 01 Overview The conditions of power swing in power systems can cause distance relays to take incorrect circuit breaker actions in certain situations. In this case, power swing blocking and power swing deblocking are two important functions of distance relays used to distinguish between power swings and … Read more
Click the blue text above to follow us 01 Overview The power swing conditions in power systems can cause distance relays to take incorrect circuit breaker actions in certain situations. In this case, the power swing blocking and power swing deblocking are two important functions of distance relays that help distinguish between power swings and … Read more