why can't we provide dc supply to a transformer?

2 Answers  

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We know that, in case if there is a faulty insulation,or sc, the current is bypassed to earth through the earth wire that has low resistance.Actually, what will happen to that current that flows through gnd?In that case,if we come in contact with that faulty appliance, wont that current flow through us as we form a closed path by standing in gnd?Is grounding a safety measure?

3 Answers  

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I decided to provide a 11KV / 440V Xformer in my Substaion. What are the protection required for that?

5 Answers  

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On Which Pressure PRV is operated.

0 Answers   AEPL,

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y we are used signal conditioner in capacitive transducer

1 Answers  

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what is the difference between UPS & Inverter

7 Answers   HAL,

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why rating of transformer is in KVA but of motor is in KW

4 Answers  

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i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

1 Answers  

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How can a equal potential zone be carried out in conductors?

0 Answers  

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How to select the rating of the Transformer?

2 Answers  

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what is IMPEDENCE? FORMULE?

6 Answers  

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what is the meaning of spur line?

1 Answers  

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