Answer / hanupowergrid

The control circuit functions as the coupling between the input and output circuits. In electromechanical relays, the coil accomplishes this function. A relays Output Circuit is the portion of the relay that switches on the load and performs the same function as the mechanical contacts of electromechanical relays.

how we can select MCB ratings according to Voltages, Curves.

2 Answers  

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Elaborate the term "rotating magnetic field"

2 Answers   APTransco,

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what is mean by VCB colour code..???

1 Answers   Student,

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If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

2 Answers   Aditya Birla, Siemens,

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what is meant by transformer?

11 Answers  

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what is slip resistance? how much its value in 110 kw motor? why voltage is varied in vvvf drive ?

1 Answers   Reliance,

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why all selected supply voltages are multiple of 11.i.e440,11 kv,33 kv,66 kv,110 kv etc

6 Answers   Suzlon, TCS,

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why substation ratings are multiple of 11 means 11\33 kv substation

6 Answers  

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What will be the current rating of Main switch for 80 kVAR panel

1 Answers  

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What is the need of generator relay panel

0 Answers   Newell,

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Should transformer earthing pit, to be connect to earthing mat in Substation

4 Answers  

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r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

0 Answers  

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