Active power= VI COS FI But incase of leading power factor ( more than unity), may we use other formula ? because the cos fi (value of cos thita) should not be grater than one.

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what is the working principle of electrical generator

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Explain the Term in CT Name Plate – Class: 5P10

6 Answers  

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what is the constructional difference in generator if we want to genearate 6.6kv instead of 440v?

1 Answers   Anglo Eastern,

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what is meant by poly phase induction motor ? how its operating by single phase or three phase?

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In EB metering we face problem kva jump even in no load condition.can any one help to control this

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what is the transformer

6 Answers  

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Hello sir i m student of gtu .what is idp.

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In case of 3Phase Supply, Voltage R-Earth/Neutral - 220 Y-Earth/Neutral - 220 Z-Earth/Neutral - 220 Total is -> 660Volts Then Why it is said that 3Phase supply is 440

6 Answers   Hindustan Unilever Limited,

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WORKING PRINCIPLE OF VACCUM CKT BREAKER ?

2 Answers  

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what are trouble functions of transformer?ex. prv trip,oltc,oti,wti.explain detail.

1 Answers  

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explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?

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