Answer / raja

MCB upto 63A
Mccb 63-100A
Acb 750-1250A
Vcb 33 kv

in three phase 11kv transformer (11kv/433v) input( R,Y,B) output (X,Y,Z,N) the connection as follows 1 phase R -open 2phase y connected to both R and y of input] 3phase B- B what is the output voltage X to N ,Y to N , Z to N

2 Answers   Bescom,

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what is the difference between upper impedance and lower impedance distance relay?

3 Answers   Havells, Power Grid,

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Reduction in supply voltage by 10% will change the torque of the motor by ___.

1 Answers   UGVCL Uttar Gujarat Vij Company Ltd,

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defination of controlled shunt reactor

0 Answers  

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if we are using ACB in a panel the how much clearance do we need in panel room.

2 Answers  

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calculation of knee point voltage of current transformer?

2 Answers   TATA,

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If u have Powergrid model question papers Please send to below mail ID rajutheprince@gmail.com

0 Answers  

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What is meant by sag?

0 Answers  

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i need 24v dc from 230v ac supply how we can getit ? what are the devices &its rating requied for that ? plzz i need answer urgently .thank u

3 Answers  

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Please explain me abt PQ diagaram in the power sector.

0 Answers  

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In Indian Railways , how the AC motor is driven? Please explain clearly starting from the overhead 25kV supply.

1 Answers  

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For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?

0 Answers   Intel,

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