how many types of grounding?

7 Answers  

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WHY BREAKER ARE USED IN SUBSTATIONS?

0 Answers   Fedco,

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What is IDMT? What is the principle

3 Answers  

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Explain cos(theta) and Sin(theta)

0 Answers  

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why rating of alternator in kva & induction motor in kw

9 Answers   Siemens,

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Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

0 Answers  

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In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

0 Answers   Siemens,

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how to identyfy cable sizes?

4 Answers   IAF, Mylan,

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what is ATS?and its function or operation in power system with its layout.

1 Answers   DLF,

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why neutral is required in electrical system

3 Answers   Bhel,

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how to find the 2500 KVA transformer rated primary and secondary volt and current?

4 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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