Answer / rishin

answer is 120....bcoz the answer is direct from the phasor
diagram which is same as that of the transformer phasor
diagram...

Answer / guest

the pf angle is nothing but angle between voltage and
current and here in induction motor the emf and current are
displaced by 30 and the stator and rotor are displaced by
delta

What are methods to avoid the inrush current at the time of starting of power transformer ?

8 Answers   Wipro,

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why tan delta test conducted in electrical equipmenr

4 Answers  

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what happen if we give 220 volts dc supply to d bulb r tube light?

4 Answers   Genus, RMSI,

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could any one explain me what power factor and where it is use ful

3 Answers  

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what is the deference between watt and KVA

3 Answers   IAF,

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What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

0 Answers   TATA,

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what is maximum or Threshold value of current 7 voltage that a common man can withstand

1 Answers  

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What are the uses of lead compensator?

0 Answers  

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how to apply b license to c license in tneb

0 Answers   Billroth Hospitals,

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How do you select a cable size(Cu&Al) for a particular load

10 Answers   Adhunik, BPCL Bharat Petroleum, Hiecon, TATA,

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Why transformer is rated in kva?

4 Answers   L&T, NDPC,

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Radio Carbon dating is used in a) find diseases b) find the age of relics c) find the carbon content in the atmosphere d) none of these

2 Answers  

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