what is the preventive maintence for ht panels and busbars and vcb abd acb's.

0 Answers   Future Group,

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different b/w counter poise and ground wire

1 Answers   L&T, TCS,

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what is the difference betweem star connected motor & delta connected motor?

13 Answers  

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State nyquist stability criterion.

0 Answers  

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Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole

1 Answers  

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TRANSFORMERS WITH DC SUPPLY

0 Answers  

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what is the difference between effective earthing and resistive earthing?

3 Answers   REL,

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Size of the power cable like 1.5,2.5,4 sq.mm which area calculated from whick area or how specified the size?

1 Answers   MRF,

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Hi If connecting a temp generator 670KVA .415kv with step up Tx .415/11kv. I am given Generator impedances Z1 Z2 Z0 to 100MVA base. Do I need to work out the generator fault current by using these impedances i.e gen rating / impedance. Then use this as my source impedance for the calculations that follow.

0 Answers  

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The power supplied to a 50mH inductor from a 120V, 60Hz source will be

0 Answers  

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how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

0 Answers   SRES,

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what is diffrence between neutral and earth wire

23 Answers   Bhel, Esab, MTNL,

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