Answer / balu

In hv side only. Because the current flow in hv side low.so we can operate the tappings with less load current

Answer / madhusudhana

It would be placed on the HV windings and is mainly used to
change the voltage level. Both voltages above and below
values can be obtained

what is servo motor and how to work it.

0 Answers  

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in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4

0 Answers   Engineers India,

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how power factor improves by connecting syncronous motor

2 Answers   ACC,

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what is Touch and Step voltages

1 Answers   Pinnacle,

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11KW Delta motor is taking about 44Amps in star and goes upto 70Amps in delta and trips OFF. The rated current is 26Amps. Application is for the blower. The motor takes ( no load without coupling impller ) only 2.5A and 5Amps in star & delta starter test.Need to know why its taking high current.

10 Answers   Pfizer,

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why transformer rating is expressed in kva.

4 Answers   Electrosteel, L&T,

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Why does not AC excitation use in rotor of AC Generator instead of DC excitation?

2 Answers   A2Z Group,

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Leading power factor means what? what is the power factor value while in power factor is leading? is power factor greater than one? In some cases i heard pf 0.8 leading then what about 0.8 lagging?

1 Answers   Rockfort Engineering,

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The formular of how to calculate a cross sectional cable to feed an electric motor. Examle: 15KW, 26.1A, 415V. Calculate the cable size in mm2

3 Answers   Sona,

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which gas is filled in CFL

7 Answers   Lumax,

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how capacitor control the power factor/

2 Answers   ABB, Apollo,

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why in some cases the receiving end voltage is higher than the sending end voltage in transmission line (called 'Ferranti effect') ????? whts the reason behind tht???

3 Answers  

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