if u give d.c. supply to transformer primary then what happen.&why??????????????

4 Answers   DCS, DRDO, HCL,

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where this neutral connection goes after returning from the load(home ,factory,industries).Is it grounded at the transformer side or atthe generator side .If it is grounded then we also ground the earth connection.is there any problem with this.

1 Answers   IOCL,

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why voltage drop will occurs in 3 phase line?

12 Answers   ABB, Servo,

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what is the formula for hv test for cable and circuit breaker..????

0 Answers  

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why dc supply is given for excitation of ac alternator?how dc can produce flux?

5 Answers  

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what is the difference between normal motor and flame proof motor??

1 Answers   PI Industries, SRF,

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On the secondary side of a distribution transformer, we use 1c x 630 sq mm cable. Why dont we use 4 core cables instead of 1 core cables on the secondary. Why we use aluminium cable glands on the outgoing instead of brass cable glands?

2 Answers   Siemens,

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how wud i know that whether i have to use unitized package substation or transformer?

1 Answers  

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What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?

0 Answers   Hira Group,

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why neutral grounding transformer is used for generator and why it is not used for transformers?

1 Answers   UPCL,

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What is Auto Mains Failure Panel & Auto Synchronizing Panel

0 Answers  

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Whis machine is having higher efficiency Transformer or Generator

2 Answers  

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