what is the mager value of star motor and delta motor between phase to ground and phase to phase, and minimum how much should be value ?

1 Answers  

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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when transformer in load condition neutral earth testing wheater we can do it or not

1 Answers  

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WHAT IS A COLOUR CODING OF 3 CORE CABLE

11 Answers  

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What will happen if 2 phase supply is given to 3 phase motor?

4 Answers   ABC,

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What is the minimum distance between taransformer (say 2000 kva)and its earth pit?

2 Answers   Bhel,

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What is d role of reactive power in power system??How it produce & consume?

5 Answers   ABB,

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Why Nutral CT rating for Earth Fault Protection of Transformer neutral shall be 20% of Full load Current of Transformer

2 Answers  

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how to calulate multiplying factor if meter ratio is /5 ampere and ct ratio is 100/5 ampere.(our supply is 3 phase 415 volts)what is multiply factor?

3 Answers   Vivek Engineers,

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A transformer has negative voltage regulation when its load PF is A zero B unity C lagging D leading

1 Answers  

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Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards

0 Answers  

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what is the differnce between vector and phasor? are both same or there is difference between two term.?

6 Answers  

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