why secondary of open delta pt (two element pt) centre tap is earth what happen when this earth is removed

1 Answers   Essar,

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what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

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how to select a circuit breaker?

24 Answers   ABB, BARC, TCS,

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What is Isolation Current transformer and what purpose to use it in REF relay ?

1 Answers  

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can we share mvar in parrelell connected alternators

2 Answers  

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i am going to attaned the engineer (disign)iterview at HAL please give me duid line

0 Answers   HAL,

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why induction motors are rated at 0.8 power factor.

0 Answers   Bhel, TN,

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What is the reason behind 11kv 33kv 132kv.....means multiple of 11?

6 Answers  

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is electrons really flow or they just vibrate at their position?

5 Answers   Bhel, HAL,

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How damper winding in synchronous motor suppress Hunting?

2 Answers   Bhel,

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how to handle 2500 kva transformar

0 Answers  

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what do you mean by lagging and leading current.explain in detail.

1 Answers  

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