What is different between Difnit time and instatous over current relay

0 Answers   NCC,

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What is superposition theorem?

0 Answers  

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what is form factor?

3 Answers  

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why the frequency in india is 50 50HZ why we not select the o ther frequncy range?

6 Answers  

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how to interlock 2 incomer,1 buscoupler MCCB,like we interlock an ACB... pls answer this question and if possible send me the ckt diagram..

2 Answers  

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sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers

0 Answers  

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Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.

0 Answers   Grasim,

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What is floating earthing?

2 Answers   Equate,

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A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

0 Answers  

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how is working the auto transformer?

1 Answers  

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How can ignition voltage of light increased with the help of a ballast

1 Answers  

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what is meant by vector group of a transformer? How can it be derived?

0 Answers  

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