Answer / manikandan

It can be mechanically inter locked using three lock two key syste. Either two incommers can be ON while coupler is of or any one incommer and the coupler is ON at a time

Answer / mohamed mustafa

put one bus coupler CC circuit relay contact in series with
the other relay cc circuit, this is simple and achivable.

1.what is difference between line,neutral and earth 2.IF single phase voltage is 230v ac and what should be the voltage between line to neutral,neutral to earth and earth to line

1 Answers  

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how tan-delta test is performed?

1 Answers   GE, VDL,

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what is the gas pressure at normal & operating conditions of sf6 cb??

2 Answers  

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why the rating of dc generator is in kw where as rating of alternator is in kva?

3 Answers  

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How many type of ht insulator with name

1 Answers   Bhushan Power Steel,

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why measure the gravity in battery?

2 Answers  

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why generation is done in delta nad transmission in star? brief

3 Answers  

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I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respectively. The total connected load 16809 KVA(11/0.433KV).how i calculate the max current & how i decided the CMD.

2 Answers  

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What is the type of feedback used in an op- amp schmitt trigger?

0 Answers  

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Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

0 Answers   Bindal Papers,

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what are the parameters plays a major role in Potential transformer Burden calculation??

0 Answers   ABB,

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what happend if the protection ct is by mistake put instead of measuring ct & vice versa?

2 Answers  

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