Answer / ram

The use of VCB is to make and breaking of HT contacts in
switchgears.

Answer / narayanamoorthy.i

High Voltage Switch gear & arrested more Sparking & easy
Operating Safty Swtch gear.

Answer / sumit

in practice upto 33KV for quenching arc of current of about
1250 A

Answer / srinivasan

VCB is used Genererally in HT Side Because of economic
consideration and simplest operation to quench the ARC.
VCB is used upto range up to 11 kv and up to 1650amp.

Generally transformers has delta primary and star secondary. But in some transformer i saw Star primary and delta secondary. what is the reason for chosing like this?

2 Answers  

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what is meant by tranformer impedance?

0 Answers   Synergy,

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advantages & disadvantages of Lagging and leading power factor .

0 Answers   KMSC,

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what type of motor is used in fan

6 Answers  

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In a parallel circuit dc circuit with two resistors, if you know the voltage, amperage, and one resistors ohms, what formula is used to find the second resistors ohms?

6 Answers  

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What is the SCR system in drilling rig.

2 Answers   Weatherford,

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WHAT IS THE COOLANTS IN TRANSFORMER?

7 Answers   Bhel,

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What are the three constants associated with a steady state error?

0 Answers  

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If symmetrical fault occurs at the terminal of a synchronous motor then how the motor will act...explain it..

0 Answers   Bhel,

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Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.

0 Answers  

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HOW TO MEASSURED THE AMPS RATING FOR SUITABLE CABLE SIZE?

4 Answers  

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What are the possible causes of REF operation on a power transformer

4 Answers  

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