Answer / vengat

Cosine angle between voltage and current

how we can calculate power factor in single phase & three phase ?thank u

1 Answers  

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what happens in a genarator when rotor supplied with ac instead of dc

3 Answers  

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Difference between ups

32 Answers   Emerson, Tata Power,

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What is differential relay? How it operates?

1 Answers  

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how many types of ct retio

3 Answers  

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What are the methods used to improve powerfactor ?

6 Answers  

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define electrical field?

6 Answers   L&T,

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How to use computer cpu ups use for home inverter circuit board

1 Answers  

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what is the internal fuction of a ceiling fan?

2 Answers  

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How to do maint. Of busbar.

1 Answers   KSEB, L&T, Siemens,

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working principle of induction motor is similar to transformer. but what makes it to rotate? then why the transformer doesnt?

4 Answers  

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WHAT IS REACTIVE POWER?

2 Answers  

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