Answer Posted / gopal

In case of copper cable 2.5 sqmm is enough. For aluminum 4sqmm is better. Since full load current of 3.7kw motor is 6.4A.

In synchronous motor, how the field current is related to armature current..i know its inversely proportional..but concept wise...i was nt clear....pls help me...

2109

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How many types of instrument cables are there?

1127

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how can i improve the power factor in domestic (230v)

2099

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How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

2121

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full form of electrical?

2780

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what is v/f control in VFD?

1596

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how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

2692

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

2091

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Do closed loops systems require manual input?

1267

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how to calculate transformer load?

2530

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why magnetising curve not start with zero voltage?

2349

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i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test

1837

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can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

2049

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i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

3528

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i wasted one year for the job after completed my btech what can i say about 1year time in interview

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