How halogen & merquery lamp works.

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1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?

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mention the earthing system as per BIS?

1 Answers  

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comparision between ACB and VCB

1 Answers  

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Name the earthings?

3 Answers   HSL,

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Why overhead transmission line in triangular shape?

2 Answers  

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if we connect a ohmmeter across shorted capacitor .what will be the reading..will it be zero or infinity

2 Answers  

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How maesure earth neutral value & how much maximum value value required in between earth & neutral.

0 Answers   Bellsonica, NEC,

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Which factor decide the colour of the light emitted from a Led?

3 Answers  

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Dear Sirs, I am a technical persons.In one of our Electrical Sub- Station, We have installed three numbers of 1250KVA ,11KV/0.415KV Transformer to feed the Factory load. We have found some abnormality. In one of our Transformers the leakeage current from transformer body to earth through earth continuity wire is almost 86 Amp but in other transformer it is (5-10)Amp. where the load current on three phase and neutral are respectively 1360Amp,1400Amp,1370 Amp & 176Amp. So please any technical person help me about the reasons of this situation and how I can rectify the fault. Moreover,I have measured the earth resistance of the Earth continuity wire which is less than 1 Ohm. Thanks Tapas Barua

3 Answers  

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what is the use nuetral wire

8 Answers  

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if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 Answers  

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