Answer / waseem aslam

Control circuit wiring of substation refers to wiring of protection relays of transformer with the circuit breaker and wiring of over-current/earth-fault protection relay in the CB, including manual tripping operation.

Answer / k.prakashchandra

The control circuit is for opening and closing on command.

1.what type of wave is produced from i.online ups ii.offline ups iii.inverter.why don't we use inverter instant of offline ups for computer,what's the reason?

2 Answers  

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what is mean by descripiency relay? & wht is its ansi code?

0 Answers  

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why lightining is not available in swith yards?

1 Answers  

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What are the special protection given for high capacity Motor, more then 10mw

2 Answers  

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why we use Test Terminal Block in 11 KV and 33 KV electrical panels.

0 Answers   EMC,

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how we find transformer capacity by ohm

0 Answers  

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what is interfacing in computer studies?

0 Answers  

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sir what is the minimun earth resistance value of an industial bit and grid bit ? and Why?

1 Answers   Kirloskar,

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WHERE IS THE LIGHTING ARRESTER SHOULD BE PLACED IN DISTRIBUTION LINES?

6 Answers   Bhel,

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Why ferranti effect occurred in leading p.f load?

1 Answers  

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what will be happen if we apply D.C supply to the transformer

14 Answers   CCBPL,

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What is ideal IR values for ground and neutral.

0 Answers   Hindustan Power Projects,

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