explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

0 Answers   MPPGCL Madhya Pradesh Power Generating Company Ltd,

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What happens when ac supply is given as excitation voltage instead of dc supply

1 Answers  

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Will The Rated Capacity of 20 MVA ,220/6.6 KV, ONAN cooling Power Tranformer be increased up to 25 MVA with respect to its %Impedence by ONAF cooling with same rating..?

2 Answers   Ambuja,

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how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???

0 Answers  

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Vibromotor 252MV 1/4HP2P..what is mean by 252MV?

0 Answers  

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My energy meter ratio is -/110/root 3,1A and connected line CT is 100/1,PT is 11kv/110 so what is the MF for meter

1 Answers   Apollo,

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Why we are using LA Rating 10kA in 66 kv substation

1 Answers   L&T, NMDC,

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In a 3 pin plug holder, what is the purpose of diameter of ground pin is larger than phase and nutral pin

9 Answers   Coal India, HCL,

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As Electricity Generates in MW I w'd like to know What are the factors we have to consider regarding the transmission of electricity from generation station to Public uses(230 V)

1 Answers  

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what is thermo stat, explain how its working?

1 Answers  

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what is oti and wti

3 Answers   Jindal,

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are induction motor have poles? yes / no , why?

3 Answers  

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