VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?

1 Answers  

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In what condition the HT fuse breakes?

0 Answers  

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Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

0 Answers  

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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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The screw thread commonly used for transmission of motion is one of the following types of threads

0 Answers   Caterpillar,

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

0 Answers   Jindal,

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Bus-bar is made of which material & name of mostly used material in bas-bar design ?

7 Answers  

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What is the function of an Auto reclosure relay. How does it work??

4 Answers   KSEB,

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What consists of 2 or more thermocouples to be connented series?

0 Answers  

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Diffrectiate between earthing and neutral

6 Answers   TATA,

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What type of changeover switch needed to run a load of five 1.5 tonn ACs.

1 Answers  

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can volts/Hz be relied upon to use 460v,60Hz electric motors on a 380v,50Hz power supply?

1 Answers  

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