what is transformer

5 Answers   Aegis,

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when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers  

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What is the inside of ACB & VCB & SF6 breaker's pls tell me about this

2 Answers   Standard Chartered,

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what is pilot wire? what is the use of pilot wires?

9 Answers  

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The series field winding has low resistance while the shunt field winding has high resistance. Why?

0 Answers  

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what happen ,if generator will generate leading power factor?

6 Answers   CD, NTPC,

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what could be the RMS value and average value of a 4 phase sine wave?

0 Answers   BARC,

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Why starters are using the machines???

5 Answers   Alstom,

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upto how many load can v connect to stabilizer which is used for tv

0 Answers   Sandvik,

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How to calculate u.p.s load parsentage plz give me formula

1 Answers  

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how we can select MCB ratings according to Voltages, Curves.

2 Answers  

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Where do we adjust the setting of thermal over load relay & how cal calulate.

1 Answers   Hilton,

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