At no load the PF of an alternator -Zero -Zero Lagging -Zero leading -None of the above

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hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

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Any Electrical Engineering jobs?Please refer for interviews. Thank you

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What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

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in three pin plug point, whats the reason that one plug point is bigger in size

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what is timing for mccb 800A tripping?

1 Answers   L&T,

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over frequency is the protection of turbine or alternator?

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What is the estimated total hydropower potential of india?

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1 KVAR = 1.3Amps but, 25KVAR capacitor/690V capacitor takes just 21Amps as leading current, what is the reason? Please explain...

1 Answers  

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how will calculate the winding ohmic value in 3phase motors in h.p wise? ex.10 h.p motor winding value ph to ph ? 5 h.p motor any calculation please send me.

1 Answers   Hyundai,

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Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

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what is the meaning of cable Glanding can you explain brifly?

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