Answer / aboli desale

Cu loss of t/f depends on current & Iron loss on
voltage.There is no effect of P.F. of load on losses &
i/p,o/p.Therefore t/F rating is in KVA.

Answer / ram

the power factor of a T/F is unknown which depends on load
so its rating is given in KVA.

why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

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In case of any eventuality, who is your next of kin?

2 Answers   Edison, Foster Wheeler, GE, GE Energy, HP, Infosys, Koch Industries, Roper Industries, Siemens,

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what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

0 Answers   HAL,

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3 Answers  

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1 Answers  

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Why Humming noise originated in Starter motor and how it was generated ?

3 Answers  

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Can I use 1 phase power supply to run 3 phase motor? If yes, how?

6 Answers   Enercon,

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5 Answers  

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0 Answers  

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what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 Answers  

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0 Answers  

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Is possible to increase the voltage without using transformer? why?

9 Answers  

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