Answer / guest

Cogging can be reduced by number of rotor slots prime to number of stator
slot and also by skewing the rotor slot

what is tha online tapping and offline tappchange? which side connected primary or secondary and explain ?

4 Answers   Essar,

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How to differentiate 220 Kv & 132 Kv line transmission tower if there are no specifications given on towers?

3 Answers   Karam, Power Grid,

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if AVR fails in D.G set, what will be the effect?

7 Answers  

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What is big transformer parts and their function ? Ty

0 Answers  

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What is the use of Exciter in generator? & what will be the current of Exciter in 500 KVA DG Set?

2 Answers  

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Difference between PLC and SCADA ? What are merits & De-merits of PLCs ? What are merits & De-merits of SCADAs ?

3 Answers   Ambuja,

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IN WHICH MODE THE TRANSFORMER WILL GET A MAXIMUM OUT PUT VOLTAGE. ASKED FOR POWER GRID EXAMINATION STAT-STAR,STAR-DELTA,DELTA-STAR,DELTA-DELTA

3 Answers  

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what is the transformer turn ratio formula and give some examples?

0 Answers   UPPCL,

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What is converter transformer? Diff b/w converter transformer and distribution transformer? why we use converter transformer in place of giving supply to drives?

1 Answers  

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how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

0 Answers   ONGC,

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Can anyone explain, How will get positive to ground and negative to ground reference voltage in dc system

1 Answers   NCC,

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how to find total current when kva is 30.4 given ? should we use root 3 (1.732) in the formula?

2 Answers  

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