May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

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i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

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What is the difference between Contactor and Circuit breaker ?

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practically What is power factor

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What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

0 Answers   ABB,

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can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

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if one of the phase is failed to 3 phase IM. what will happen?

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what is the purpose of bypass mode in energy lighting transformer?

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what is the use of power factor ? where its applicable ?

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A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 Answers  

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Pls mail me utility & Dg related question with answer

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Where can I get CPWD electrical shedule rates in web? please help me.

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