Answer Posted / baljinder singh

tap changer is the part of transformer's secondary winding
which is use to increase and decrease the output voltage of
the transformer.

what happens to the supply voltage if there is any change in frequency?

6401

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hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

1996

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please explain how to do 'pole drop test' on generator?

2890

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what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

1925

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what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

2085

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Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

1037

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State any two nuclear power stations in India, with their generating capacity.

1855

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please explain to me how to calculate current,voltage,resistance with formula??

1414

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How LT megger works ?

2118

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plz explain the auot-reclosing circuit in electrical engineeing

2455

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surge tank, hrc fuse, earthing transformer, firm power objective type

1613

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what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors

1988

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Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

1757

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While testing a ZCT what parameters have to check or measure?

2368

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What is grid collapse? what is the reason for it?

2104

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