Answer / bkm

as we know whenever there is change in flux wmf will induce
so by this principle we can say that rotor is running at
synchronus speed and by exciting it we create north and
south pole permanantely on it now for two pole alternator
after each 180 degree rotation pole change their position
and thus change in flux occur which induce emf in stator

Answer / rabia

as the name symbolises altrnater means something which
alternates or make use of such technology. alternater or
transformer needs AC cycles that alternates with a certain
frequency to cause induction through electronagnetism in the
second coil.

What are locations arc protection relay is fixed.

0 Answers   KSEB, L&T, Siemens,

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why power dissipation is due to low frequency?

1 Answers  

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How maesure earth neutral value & how much maximum value value required in between earth & neutral.

0 Answers   Bellsonica, NEC,

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how can 3phase motor speed can be controlled without vvf drive?

1 Answers  

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why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?

0 Answers  

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How does HT work & Voltage required?

0 Answers   Adhunik,

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what is the rating of boiler?

4 Answers  

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TO operate transformers in parallel, vector symbol of the both should be same.If one transformer name plate is not there, how can we conclude that whether the transformer is having the same vector symbol or not?

4 Answers  

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what type questions asked in hp cl

0 Answers   HPCL,

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l&t switch FN 63 handle position can we change

0 Answers   OPTCL,

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what is difference between the buscoupler and bus raiser?

1 Answers   Synechron,

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how the voltage between all the three phase is zero can any body explain me

5 Answers  

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