Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

0 Answers   VECL,

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what is neutral grounding? why is it required? what is neutral grounding resistor and how is its value calculated??

11 Answers   NTPC, ONGC,

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whatis mean by voltage?

7 Answers  

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What are various modes for Mechanical interlocking of breakers (for both MCCBs & ACBs)

1 Answers  

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how to find the capacitance value of the motor while running??

0 Answers  

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1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be

0 Answers   KNJ,

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can we use existing delta star with neutral grounded,step down(6.6kV/415V), 3 phase power transformer bi-directionally.

3 Answers   GMR,

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what is meaning of phase angle in two phase.

5 Answers  

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What is breather? why we use it ?

3 Answers  

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how we calculate fault current& load factor or fault level&also the leakage current

1 Answers  

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why do we connect droop ct{in gensets}in y_phase only

2 Answers  

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What are test signals and their significance?

0 Answers  

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