how many by pass system in online UPS.

4 Answers  

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Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards

0 Answers  

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Distinguish between Earth & Neutral?

5 Answers   Essar,

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what happens to current , when voltage drops .?

11 Answers  

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how much allowable resistance that can be difference in motor all coils?

0 Answers  

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what is the relevance of knee point voltage in protection and metering grade CT ? and basically what is knee point voltage ?

2 Answers  

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Can someone tell me how to calculate the size of a power cable? What are the factors involved in cable sizing?

5 Answers  

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transformer test

4 Answers  

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What is the basic difference between earthing, ground and neutral?

11 Answers   Balco, Cognizant,

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discuss thyrister convertor type of AVR.

1 Answers  

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5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?

1 Answers  

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What is Form factor?

2 Answers   NTPC,

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