Answer / mona

depends on frequency of operation & operating power

Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?

0 Answers   ONGC,

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How the starter control the starting current in three phase AC Motor?(In DC apply the reistance).

6 Answers  

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difference between ac series and parallel circuit

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In ac which gas will be use?

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I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

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Due to ferranti effect which power increases at the receiving end?active power or reactive power?

5 Answers  

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I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

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What is the real use of reactive power in a electrical system other than loss (inductive &capacitive).I want to know its real physical significance.

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what is soft starter? what is the difference between soft starter and star delta starter?

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Waht are the protection should be use in HT/ LT side of the same Xformer?

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what is advantage of providing taping on HT side?

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i wanna know that star point in transformer becomes as a neutral on secondary side now tell me that how is that possible?because if joit the all three winding ends with each other it can b short circuited.dut it doesn't.WHY?pls Answer me in brief.thanks alot

1 Answers  

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