why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?

3 Answers   Matrix,

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Why no-load primary current is very small as compared to full load current in transformer (as 1% of full load current?

5 Answers   NTPC,

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hi.. i am krishna. i've complide my diploma engg.in electrical.i applied many places for jobs.but i am always fear from written test.ican't get success in it. i think my basic engg. is weak..show me some idea please..!

5 Answers  

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Explain difference between stand by earth fault and residual earth fault protection?

0 Answers  

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What are the different methods of improving power factor,especially in Wind Sector

2 Answers   Suzlon,

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How to calculate the phase to phase clearness of HT /// LT bus bar?????

0 Answers  

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what the effect will occur if we increase the airgap in induction motor

4 Answers   IES, Tanfac,

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Why the Voltage rises when Leading Power Factor is occurs?

2 Answers  

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What is the difference between short circuit and overload currents?

14 Answers   IIIT,

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better choice of area of interest to post in our resume?

2 Answers   Cognizant,

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why the indian frequency is 50 hz & U.S.Frequency of 60 hz

3 Answers  

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why we oltc on hv side of tranformer only

10 Answers  

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