why do we need a 4th wire in 3phase 3wire transmission line

6 Answers  

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How Id and Ires are calculated in siprotech 7ut612 and abb trsfmr differential relay.what is the formula

1 Answers  

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11kv alternator commissioning test?

2 Answers  

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When batteries are connected in series the voltage increases but the current remains unchanged, how can this be? When you consider ohm's law. i.e. If voltage increases, current increases, providing resistance remains the same.

10 Answers  

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what is real time system type definition

1 Answers  

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What is milivolt dop test in Busducts? What is its significance & procedure to do the test?

0 Answers  

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What is maximum AC & DC transmission voltage in India? and where?

12 Answers  

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1.wat is the purpose (or)function of regulator? 2.wat is the purpose of stabiliser?

3 Answers  

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I need tnpsc AE Electrical question papers

2 Answers   TNPSC Tamil Nadu Public Service Commission,

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In our factory there is one no. of Series trip HT 6KV OCB. 1. Is it possible to measure CT out put current by 440V Clamp meter? The measurement is required for knowing the exact value of current in CT secondary to set up protection for transformers. 2. plase forward the single line diagram of AMF panel?

1 Answers   HAL,

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Why birds seating in HT line does not get shock? If person hangs in HT line (single hand or both hands) does he get shock?

15 Answers   SSC,

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How to calculate loses in transformer of 160 KVA ?

0 Answers   IDV,

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