why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A

0 Answers  

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what is the relation between voltage & frequency

11 Answers  

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what is the name of the oil is used in transformer?

5 Answers  

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When color of silica gel will gets change from blue to pink from Top to bottom?

0 Answers  

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when giving a supply to wounded coil it will get magnetised, but the same is not if it is not wounded on a core..and it is getiing short....why.......

3 Answers  

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which type of capacitors using in single phase motors

1 Answers   Vishnu Infra,

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WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

0 Answers   TCS,

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what is transient stability analysis means?

0 Answers  

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Electromotive force is provided by:(a) Resistance’s(b) A conducting path(c) An electric current(d) An electrical supply source

2 Answers  

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wts d diff b/w C.T. & P.T.?

9 Answers  

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we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.

2 Answers  

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what is the disadvantage of leading power factor...why can't we use it (pf=0) for a long period of time?

10 Answers   Appco, snsce,

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