What will be the direction of rotation of a Alternator in case it goes in motoring action when connected with grid ?

6 Answers   DVC, NTPC,

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Starting Time of LT & HT Motor

0 Answers  

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What is working principal of V.C.B., O.C.B., A.C.B & Over load relay?

4 Answers   Unitech,

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what was the function of the auxillary relay?

3 Answers  

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what is the burden?accuracy?Knee point voltage? what is the Alternator of PGM?

0 Answers   L&T,

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what is interlocing and what is the purpose of this?

4 Answers   L&T,

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what is kVA

6 Answers   TATA, Tata Motors,

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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What is the difference between neutral and ground?

3 Answers   Cethar Limited, Torrent Power,

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The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

0 Answers  

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what will happen if ac and dc supplies given

0 Answers   APTransco,

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tell me working of air circuit braker.

2 Answers  

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