how we can calculate power factor without knowing current in 230v 100w load ?

10 Answers  

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where any change in supply line due to the incipient faults in three phase induction motor

2 Answers   ABB,

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how do we select a copper power cable for a 10 HP, 1440 rpm, 440V, 3 phase AC motor?

4 Answers   Rolling Mill,

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what is the differencce inn series and cascade connection??

0 Answers  

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Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

7 Answers  

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what happens to a turbo alternator if it get trip and 1 out of 3 poles of circuit breaker in close condition

1 Answers   wbsedcl,

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how can we convert 48V dc into 12 V dc? Any standard device for it??

2 Answers  

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who many types of fire explane with exmple

0 Answers   Juniper Networks,

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what is Different between Bilinear and Unilenier?

0 Answers   ABB,

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What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?

0 Answers  

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WHAT IS DEAD END IN PROTECTION?

0 Answers   Ispat, L&T,

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Elaborate the term "rotating magnetic field"

2 Answers   APTransco,

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