why ups in kva ratings?

2 Answers  

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how do we calculate of transformer in va?what is calculation?

2 Answers  

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resistance of transformer oil=?

1 Answers   HCL,

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How the earth fault relay works please explain?????????

2 Answers  

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without name plate detail of blower how we can find out the HP & Rpm ? the input voltage is 230v single phase

1 Answers  

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Why annealing is done on transformer core manufacturing process?

1 Answers   ISRO,

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What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

0 Answers  

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in 33kv line how much current will be

3 Answers  

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is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

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How much amps carry in single phase R-phase,in D63A 4-pole MCB

1 Answers   TCS,

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What is the effect of impedance on the heat losses in case of AC system??? Does heat losses really depends on the impedance or depends only on resistive component only..??

4 Answers  

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WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

0 Answers   UltraTech,

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