Answer / k.prakashchandra

It is the voltage at which supply source changes over to
another.In generator excitation ,intially the excitation is
with outside dc supply in flashes, as gen voltage rises to
70% ,the excitation changes over to gen output.

how we calculate the knee point of a protection and metering CT and what is the testing procedure.

1 Answers   CS,

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why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

0 Answers  

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is there any chance to get shock from the transformer oil at the time of maintenance due to its dielectric property. . ?

6 Answers   Bhel,

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what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

1 Answers  

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what's the different between ELCB, ELR and ELS?

1 Answers   CP,

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What are the different types of circuit breakers?

3 Answers   IOCL,

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How to decide and select the different earthing wire size for the different types of earthing

0 Answers   Suzlon,

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WHAT WILL HAPPEN IF WE START A MOTOR WITH STAR & IT IS RUNNING WITH STAR CONNECTION INSTEAD OF DELTA

3 Answers  

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How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?

0 Answers  

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Differentiate between kirchhoff’s first law and kirchhoff’s second law?

0 Answers  

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how we can calculate 2 phase welding transformer rating or total power?

0 Answers  

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what happen if the battery is charged by more than one source ,for ex: connecting data cable to laptop & charger pin to source supply ? 

2 Answers  

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