Answer / karthik

copper losses depends on current and core loss depends on
voltage. either of losses dont depends on powerfactor. This
is the reason why transformer rating is always in kva not kw.

Answer / dheeraj dubey

AT THE TIME OF MANUFACTURING WE DONT KNOW THAT WHAT TYPE OF LOAD WE ARE GOING TO APPLY. IT MAY BE INDUCTIVE, RESISTIVE OR CAPACITIVE

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

0 Answers  

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Can anybody explain Why starters are not used for motor starting in industries?

9 Answers  

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what happend if the protection ct is by mistake put instead of measuring ct & vice versa?

2 Answers  

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What do you understand by avr?

0 Answers  

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in an industrical wiring, why we are using lighting DB and Power DB separately?

3 Answers  

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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

2 Answers   Jakson,

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The control system is used for?

3 Answers   CCP, NTPC,

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

10 Answers   Areva,

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SUTIABLE FOR ohm's law super conductor

0 Answers  

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what is the maintain in ACB,VCB,MCB,MCCB breakers?

4 Answers   CTS,

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what is AVR? what is the function of AVR?

2 Answers  

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How much Fault current can be contributed by a motor?

4 Answers  

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