how to calculate the cable size

3 Answers  

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How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??

3 Answers   NTPC,

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what is the maximum load sutiable from earth to phase and what is the max voltage earth to phase suitable

1 Answers  

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1.how to calculate energy units in our home at singe phase, 2.415V,63A wiring what will use thickness of wire

2 Answers  

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2 Diesel Generators 900KVA connected to the bus bar for essential load as an alternative for power taken from 11/440V 3KVA Transformer supplying this bus bar. my question here is in the event of power failure on 11KV side can I feed the power to 11 KV bus by using the same transformer as reverse feed, what will be the inrush current???

3 Answers   Ashok Leyland,

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How we can test the Smoke Detectors????

4 Answers   Emerson,

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hou we find and calculate the maximum lode capesity of transforer?

1 Answers  

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1 amp means-how many electron flow per second. ?

2 Answers  

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How to calculate the actual 3phase power, if the load current of each phase is not balanced

2 Answers  

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what should be the megger test report for 11KV cable when meggered with 5KV megger , what is the resistance value we should get

7 Answers  

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A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.

0 Answers  

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what is the voltage regulation for unity and zero power factor?

0 Answers  

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