Answer / shiju

for higher frequency in generator need more poles so the size of the machine will increase.

Answer / peter

higher frequency means higher losses...so heat dissipation
requirements are more....size needs be bigger then...

Which one is correct mVA or MVA. Whether both the units are same for the transformer

10 Answers   Areva,

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In Indian Railways , how the AC motor is driven? Please explain clearly starting from the overhead 25kV supply.

1 Answers  

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ult of expression 'document.FrmQF.myem

0 Answers  

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why the altrnator(AVR) not showing the any voltage after making the new winding and insulation?

1 Answers   Avon,

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HOW TO CALCULATE EARTHING SIZING?

0 Answers   L&T,

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The ohm is the unit of:(a) Charge(b) Resistance(c) Power(d) Current

2 Answers  

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how much leakage current is allowed in MC61A L&T make relay?

0 Answers   Siemens,

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presently I am working in private sector.In powergrid interview recruiter asked me why you join this organization.

0 Answers   Power Grid,

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How can we increase the capacity of Energy.?

0 Answers  

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what is 3rd Harmonics? how it is generated in alternator

2 Answers   Aditya Birla,

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what is alternator?

4 Answers  

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Dear Sir, we met a disaster with our 62.5 kva genset, after rewinding we informed by our contract engg that due to return current coming in neutral & impropper earthing this happend. But after all set up & load balance we checked & found again we have about 20 to 32 amp return current on neutral. we have 12 airconditioner + 12 mini fridge on single phase line. Pl suggest any idea to solved this problem

3 Answers  

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