why earth hole size is biggest in socket point.

5 Answers  

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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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CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

0 Answers  

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How to do maint. Of busbar.

1 Answers   KSEB, L&T, Siemens,

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Size of the 60Hz and 400Hz transformers is a) same b) 60Hz Tr s larger than 400Hz Tr c) 400Hz Tr s larger than 60Hz Tr d) None of the above

5 Answers   Ecil,

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Can we use 11kv Trivector Metre or Energy metre instead 33kv Metre at 33kv Over Head Line metering purpose?

5 Answers   Bhel,

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which type of cabel

0 Answers   DMRC,

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3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

3 Answers   Bajaj Hindusthan,

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why transformer not used to starter

1 Answers  

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what happened when we supply a dc current in dc motor?? can it worked properly?

0 Answers  

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how does the switching of capacitors in a capacitor bank take place when we use them at the load side to reduce the power factor?

2 Answers  

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What is the basic difference between earthing, ground and neutral?

11 Answers   Balco, Cognizant,

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