Since phi is the angular displacement between V & I, then why we use phi in power triangle ie. when showing active, reactive & apperent power in triangular manner & if it is ok then where is V & I in the triangle.

1 Answers  

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in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks

0 Answers  

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What, in the construction of a transformer, controls KVA? For example 600/208/120 V transformer can be 10kVA or 45kVA!!! What do we change in the construction of a Transformer in order to change the rating but not the voltage.

1 Answers  

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can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

0 Answers  

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why are using bus ducts ? why not using cables

12 Answers  

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What should do when induction motor take more load in single phase ?

1 Answers  

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why the no.of slots in stator in not equal to the no. of stator in rotor in induction motor????

4 Answers   Jindal,

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what is the difference between megger and earth tester?

28 Answers   Ashok Leyland, IOCL, RRL,

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armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

0 Answers  

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Why we oil in tranformer/

5 Answers  

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Can we use Motor protection CB while we use the VFD for Speed control?? if not means please tell the reason!!!

1 Answers  

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what are the types of control panel used in industries & all electrical purpose ?

4 Answers   HP Tronics, IVRCL,

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