advantages & disadvantages of Lagging and leading power factor .

0 Answers   KMSC,

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what is the effect of constant power factor to the voltage regulation

1 Answers  

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In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?

0 Answers  

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WHAT IS MEANT BY SLIP , WHERE IT OCCUR

3 Answers   Suzlon,

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how to differentiate a mpcb,mcb with a contactor? Explain their working operation

0 Answers   L&T,

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what happens to a turbo alternator if it get trip and 1 out of 3 poles of circuit breaker in close condition

1 Answers   wbsedcl,

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There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

1 Answers   BS, Dynamic Software,

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what is the maximum load in MDB,SMDB and DB

1 Answers  

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Why current flows in nutral? As per theory there should be no current in 3 ph explain.

11 Answers   Bhel,

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We have ONLINE UPS 15KvA (3PHASE 440V I/P,3PHASE O/P,440V) I want to step down from 440 to 220 V What to do. Pl. suggest with specification.

1 Answers   ARDE,

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in shunt clippers why a resistor is used in sereis with the input

0 Answers  

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If two transformers same rating(11KV / 440V)connected in the same primary line(11KV), can we connect(bus coupler) secondary side directly or need a synchronization????

3 Answers  

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