Should the neutral earthing of 33/11KV D-S transformer, be connected to the earth grid?(Yes/ NO) why?

1 Answers   HAL, Vijai Electricals,

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What is the role of Dedicated earthing in UPS System?

0 Answers   HCL, MSPL,

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No load test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D rotor reactance

1 Answers  

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is the value of inductance depends upon the value of thitha in doubly excited machine??

0 Answers  

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why we did not mention ryb like byr in 3 phase

2 Answers   Ford,

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how does directional relay work incase of ac ?

0 Answers  

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what is negative d.c. voltage, why this voltage is used in base transciever station.

0 Answers   Vintage Air,

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in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp

1 Answers   GATE,

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what is surge impedence loading

2 Answers   NHPC,

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When we use PT in HT Panel why the ratio is 11Kv/√3/110v/√3 please explain briefly with suitable formula?

1 Answers  

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what is the difference between changer, converter and transformer?

0 Answers  

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the total iron closs in a transformer core at normal flux density was measured at 25hz and 5ohz and was found to be 250w and 800w respectively.the hysteresis loss at 50hz would be................?????

1 Answers   ABB,

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