How to design the earth grid for lightning protection in an industry

2 Answers  

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Give the selection criteria of a 3 Phase transformer for industrial purposes ?

5 Answers   NDDB, TATA,

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how many ampere Maxmium load given on a 10 kva DG set?

3 Answers  

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How to calculate no of EARTH PIT? Describe the formula as per IS standard?

0 Answers  

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what is the kva rating of 20 kv transformer?

1 Answers  

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why dc supply is given for excitation of ac alternator?how dc can produce flux?

5 Answers  

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can transformer develop three phase poer from a single phase source?

2 Answers  

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which VFD is better ( LT or HT)

0 Answers  

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what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.

2 Answers  

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WHY DIODE IS CONNECTING ACROSS SWITCHES

5 Answers  

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At what speed 1 HP motor can run an electric car of weighing 400 kg?

0 Answers  

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Why ideally the internal resistance of voltmeter should be infinite and of an ammeter be zero

2 Answers  

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