Answer / k.prakashchandra

When one line is connected to a BB ,the other is the transfer BB . You can energize both BB either independently or using bus coupler . Sectionalzation means splitting the bus bar into sections lengthwise

Why DC current is not used in transformer?

20 Answers   JK Paper, TCS,

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we all know that corona is nothing but ionization of air around the conductor and there by allowing current to pass through ionized air.but we are not getting any short circuit in between the respective phases though the air turned as a conductive media between them??

1 Answers   Siemens,

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How to calculate the time setting for star connection in star delta starter? For example 10KW 3PH Induction motor.

0 Answers   Taj Group, Tata Steel Limited,

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how do you test tachos and servos

0 Answers  

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One of our gas turbine generator unit "1st stage rotor ground fault" alarm was occured several times. we tried to measure some voltage vulue ground fault protection relay (UNS3020a made by ABB and we measured the value of: Ground: 0.9VDC 5V: 5.8VDC 24V: 23VDC u+: 300 – 350mVAC Rf1: 17.5mVAC Rf2: 17.6mVAC The unit still running and the alarm was reset. As of 6pm yesterday and unitl now no alarm happened again. I our protection relay was defective?

1 Answers  

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how will be the capacitance generated in a earthed wire???

1 Answers  

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DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

0 Answers  

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Unit of Magnetic Flux Density a) Tesla b) weber c) Hendry d) Farad

3 Answers   Ecil,

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why the rating of transformer in k.v.a

4 Answers  

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what is a synchronizing lamp ?

0 Answers  

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Difference B/W A/C & D/C Motors..?

10 Answers   Toyota,

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I have AC automatic voltage regulator 15KVA What output currant?

3 Answers   Siemens,

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