Answer / nandakumarp

normally used 110v dc for tripping and closing coils

Answer / liladhardanej11

depend upon as per control supply i think normally used 110v & 127v ac

HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?

1 Answers  

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Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead???

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how to calculate the ct burden?

1 Answers  

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in case of transformer the power factor is depend on input or the output

1 Answers  

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True or false question. 1.The fuse provide phase and neutral 2.power loss in electrical circuit can take place in (resistance or inductance or capacitance). 3.two phase system each phase has separated by a phase difference of (90 or 180 or 270 or 45). 4.3 phase balanced star connected load neutral current shall be (line current or phase current or zero or unity)

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where the lexical paramater will use in fron end?

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plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

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power formula

1 Answers  

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For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

0 Answers   GEPL,

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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.

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when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//

0 Answers  

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why colour of electrical equipment( like transformer) is grey

10 Answers   Trident,

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