Answer / k.prakashchandra

Mainly ,to save on insulation

if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

0 Answers   Power Plant,

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what will happen if we double the input frequency of a transformer keeping the voltage constant?

6 Answers  

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Hod do u calculate cable size for underground laying and the factors effecting/influencing it??

4 Answers   Kuwait Oil Company,

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what are the major difference between 3phase 3wire and 3phase 4wire trivector meter?

2 Answers   L&T, NTPC,

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What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

0 Answers   Equate,

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Why the suply frequency in INDIA is 50HZ

5 Answers   HCL,

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In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?

3 Answers   Eskom, SSC,

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working principle of generators?

4 Answers   Adani, MahaGenco,

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when conductor rotates in varying magnetic field the emf will induced in it and it is sinusoidal in nature ...? Why it is not in square wave and rectangular wave in nature?

4 Answers  

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how the direction of rotation in a dc shunt motor could be reversed?

2 Answers  

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if 11 lead acid batteries each 200 amph are connected in series so that combinly they can produce 110 volts dc. question is how much backup it can provide ? 2) how can we calculate that how much amprere and voltage is required to charge them . thanks in advance !

1 Answers  

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Why the voltage n frequency of the incoming generator is kept slightly higher than d grid voltage n frequency while synchronization ?

4 Answers  

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