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.

What is the drawback of class b amplifier? How is this minimized?

0 Answers  

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which on of the transformer have more core losses and why? 1. Distribution Transformer 2. Power Transformer

5 Answers  

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what is difference between earth fault& restricted earth fault.

3 Answers  

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what is the formula of starting current of 3phase and 1 phase motor???

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Why reverse power relay is used?

12 Answers  

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State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor

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What is the function of a pressure Switch in a Substation?

2 Answers  

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in a dc shunt motor what happens if motor takes high current,no speed

2 Answers  

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sir i had plane to do some project with the base of hopkinson test in AC supply its possible

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what is the safety of ACB & VCB and how can this work and how can the service the ACB & VCB parts name with picture

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Why rating of transmission line in kv not in kva

2 Answers  

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