Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

0 Answers  

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Can anyone explain, How will get positive to ground and negative to ground reference voltage in dc system

1 Answers   NCC,

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why 1.7Uo for HV cable Hi pot test?IE standard why?

0 Answers   ABB,

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How much difference can there be between HT & LT KWH unit consumption at the same load?

1 Answers   DLF,

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What is systematic error?

0 Answers  

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what is the maintain in ACB,VCB,MCB,MCCB breakers?

4 Answers   CTS,

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How to power regulated by AVR in Alternator?

3 Answers   EPGL,

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what is the formula for hv test for cable and circuit breaker..????

0 Answers  

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

0 Answers  

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why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 Answers   IOCL,

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why we use 6nos of C.Ts on 11kv incoming?

2 Answers  

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Is electro plating what type of load whether resistive, inductive or capacitive loads

0 Answers   Apollo,

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