why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

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What are the reasons for AVR failure in LT DGsets ?

2 Answers  

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How much load with stand the copper cable by sq mm apro..

1 Answers   L&T, Taj Group,

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How much voltage we need to apply in 33kv cable during hipot test of cable

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what is different between 51N and 51G functions relay?

1 Answers  

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Discuss the effect of sudden loading of an induction motor

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reason of capacitor failure or low voltage in alternator wtih 10kva dgset

0 Answers   adag,

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Whta is WT in a transformer, specify its function.

4 Answers  

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How shall i select the value of capacitor or inductor in a system?

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what is the difference between Ith & Iu rating in MCCB. Particularly on SACE ABB Circuit Breaker?

2 Answers   Siemens,

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my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,some other day checking different values(20Mohms). this tell that some person tell that that values ok. how to identify the megger value is correct. pls tell me the answer.

2 Answers  

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what is power factor

6 Answers  

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