Answer / n panja

power factor is in leading condition means the system is capacitive as in a capacitor current leads voltage. It also suggest that the system is running under low load or zero load condition. Excess reactive power may cause higher receiving end voltage than the sending end (ferranti effect). 

Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow

4 Answers  

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why the transformer was not rotating like a motor?

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what is closing resistor in circuit breaker? why it used?

3 Answers  

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1 Answers   Reliance,

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what's burden resistor, why it's used?

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Can earth resistance be measured without connecting the earth electrode? and should earthing connections be disconnected What is the effect of connecting two cables of different sizes in parallel with supply? Thanks in Advance. I am intrested to get in touch with some tecnocrats/engineers,my mail i.d is : hiremathvijay@rediffmail.com

1 Answers  

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