Based on the relay operating characteristics, overcurrent relays can be classified into three groups: definite current or instantaneous, definite time, and inverse time. The characteristic curves of ...

This can happen in ring or mesh-type systems and in systems with a number of infeed points. The use of directional overcurrent relays in the two situations is shown in Figure 7.1. Figure 7.1: ...

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will Dana] shows ...

When we think of relays, we tend to think of those big mechanical things that make a satisfying ‘click’ when activated. As nice as they are for relay-based computers, there are times when you ...

Katie Healy of FuzionFit jumps to the finish line alongside her teammates during the 48th annual Hana Relay on Saturday. The 52-mile race from Kahului to Hana included 100 teams. Valley Isle Road ...

Saving money can be a challenge in an economy with persistent inflation. After all, if your money doesn't earn a return that's at least equal to inflation, it will lose buying power. But, a ...

What can you show or tell us to help explain what it’s like to grow up in this political moment? Submit in words, images, audio or video, from Oct. 2 to Nov. 4. By Katherine Schulten Weekly ...

This free online business account is a good fit for companies that want to integrate their banking and cash management services. This free online business account has a lot to offer, including ...

Creeping shots of a meeting between the nervous middle manager and his CEO (Victor Garber) establish the paranoid atmosphere of Relay. The exchange goes off without a hitch, freeing Hoffman ...