Is it possible to import & export power through the same power transformer? what will be the vector group normally for both different or same?

1 Answers  

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How can we calculate cable size in Low voltage & high voltage

0 Answers   United Breweries UB,

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what is real power and reactive power?

3 Answers  

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How Arc Extinguish in Minimum oil circuit breaker and What is the function of Radial and axial vents of turbulator in Minimum oil circuit Breaker Where these vents are exists.

1 Answers  

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Wtat is vaccum currcuit breaker.define with cause of used.and where be use it Devise .

1 Answers  

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1]how the voltages and frequency are achieved on ships. 2]how does the line and phase voltages are related on ships.

3 Answers  

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Can i connect all earth pits in ring system..., And wat IS 3043 says...please help me

1 Answers  

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

0 Answers   Jomel,

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In CDG type IDMTL realy O/L , E/F, O/C which are used for out going feedrs,on R-phase o/c element, Y-phase , e/f elecment and on b -phase o/c element will be connected . Why the earth fault on center phase only, why not on other two phases?

2 Answers  

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why the electrical insulators suspention breakdowen

2 Answers  

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Why oil preferred over the air as a cooling medium for high rated transformer?

1 Answers  

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(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

0 Answers   Cognizant,

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