Which power will flow first if we switch on a motor? Active or Reactive? How?

5 Answers   NPTC,

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how could we know the size of cable by physical view?

0 Answers   Havells, United Engineering,

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Why increase in current leads to increase in conductor temperature?

0 Answers  

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Draw transformer phasor diagram.(full load,no load)

0 Answers   PowerTech, Trine,

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why dc is used in control circuit for mv & hv switchgear instead of ac

0 Answers  

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what is method for testing CT

0 Answers   DCM,

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Why AC loads wont used in DC input supply? and Why DC loads wont used in AC input supply?

3 Answers   Bhel,

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Tell me about Tesla.

1 Answers   Tata Power,

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What is CRT (Contact Resistance Test) for Isolators or Dis- connector Switches? Why we performed it & whats the Testing procedure.

1 Answers   Siemens,

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what is the power factor of the megnetising component of transformer

1 Answers   Allied Group,

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what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

0 Answers  

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Why do we choose 33kV transmission for industrial purpose and 11Kv for township?

1 Answers  

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