why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

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cab we add capacitor bank with generator to improve power factor or not??????

1 Answers  

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what is the meaning of servo motor. In trains, what type of the motors we are using at the bottom of each compartment

5 Answers  

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Why HRG and LRG used beside transformer, what is the purpose

3 Answers  

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Whats the difference between three phase and single phase?

4 Answers  

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how to improve IR value in HT motors?

3 Answers   ABB, AMW, Macleods,

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primary of transformer connected to Dc supply in series with switch, and secondary connected on ammeter, what happens when swith On and OFF. (or) if continuously On and OFF

9 Answers  

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how actually an anti pumping device works? what is the operational principal?

2 Answers  

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What is meant by H.R.C fuse?

40 Answers   Gas Projects, GSCE, Taj Group,

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Why the voltage n frequency of the incoming generator is kept slightly higher than d grid voltage n frequency while synchronization ?

4 Answers  

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HRC fuse provide best protection against

3 Answers  

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you have an automatic voltage regulator at home for your appliances,if the voltage in your area drops from 220v to 190v,does the output of the automatic voltage regulator drops?or does it retains the 220v output?

4 Answers  

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