FOR 3 PHASE DISTRIBUTION,WHY WE USE ONLY THE VOLTAGE LEVEL OF 440 VOLTS

1 Answers   AITM,

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What is A.C Resistance for Earthing ?

2 Answers  

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Why in India distribution transformer are connected in Dyn11 when we know capacity of v-v connection can be increased by adding only a single transformer?

1 Answers   CSPL,

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what is is the potential diffrence between two phase ?

3 Answers   Bhel,

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why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

0 Answers   Siemens,

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what is the principle of tubelight ??? what is the function of starter and choke ???

1 Answers  

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What is the method to solve circuit using source transformation?

0 Answers  

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What is the use of core in the transformer?

19 Answers  

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

0 Answers  

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I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

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what will happen if secondary of potential transformer (220kv/110volt) of any metering core or protection core (cables) of any phase got earthed??

1 Answers  

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what is meant by trip circuit supervision & directional or non directional over current ?

1 Answers   ABB,

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