WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

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What is OLTC AND RTCC and it's function?

2 Answers   Sterling Wilson,

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how we can produce negative DC voltage ? please explain it .,thank u

1 Answers  

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what is th basic difference between a d latch time line and a d flip flop time line???

0 Answers  

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Can u explain : how capacitor act when the supply is given is a.c and d.c. I know that when d.c supply is given then the capacitor charges and becomes open circuited. But please say about when a.c is given. I have seen that when a.c supply is given ,it charges and discharges, But when we plug in capacitor to our daily supply and take it out ,then we join those wires spark will appear,which seems charge is present ,but when a.c is given it should charge and discharge

3 Answers  

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Is Indian railway uses 25000v ac or dc?

7 Answers  

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In a Synchronous generator, Can AC voltage be used instead of DC voltage in field winding of rotor to produce AC power?

10 Answers   NTPC, Windia,

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rrb question

0 Answers  

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What should be the setting of an earth fault relay.

2 Answers   HP,

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Why are the cores of large transformers built up of circular transactions ?

0 Answers  

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how the length effects the ampacity of the cable? if a cable is carrying a current of 100A for 50m length then what will the effect on current if we double the length?

2 Answers  

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which transfofrmer oil break down voltage strength get will be more if oil sample taken from bottom of tank or oil sample taken from top of the transfomer tank.

2 Answers   NPCIL,

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