How to decide cable tray size?

0 Answers  

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what is the meaning of Dd0yn11

2 Answers  

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What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

0 Answers  

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anybody can give the voltage value for 1M ohm

2 Answers  

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In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

2 Answers  

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How much duration I can keep open the CT if it is under loading condition(100 Amp load)?

3 Answers   Infosys, NTPC, Suzlon,

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Why the rating of dc machine is in HP??/ Do reply guys..Its very important......

4 Answers   Apollo,

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what is the illumination level required for child play area?

0 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 different between rms and average value

1 Answers   Finolex, TATA,

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what are the steps involved in generator load test?

0 Answers  

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What is the clear distance between a MV panel(rear side) and wall.

3 Answers   L&T,

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