Answer / k.prakashchandra

In other words ,directional relay is employed for
tranmission lines when there are two or more parallel
feeders ,so that the heathy feeder does not trip due to the
fault in another feeder.It is also used when the
tranformers are in parallel operation to prevent reverse
power ,when the secondaries are in prallel

explain the mode of metal iranafer in Co,welding

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When we use PT in HT Panel why the ratio is 11Kv/√3/110v/√3 please explain briefly with suitable formula?

1 Answers  

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Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

0 Answers   TATA,

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what is starting current and use of starting current?

3 Answers  

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explain different losses in a transformer.

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what is reactive power ? what its role in transmission lines?

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how we select fuse rating for motor?

6 Answers  

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what is intermediate switch

1 Answers  

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