why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

4 Answers  

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how to calculate cable size with respect kw

0 Answers   SPMI,

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In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

0 Answers   Nissan,

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KVAR Kilovolt-Ampere-Reactance

2 Answers  

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what is the voltage present in the telephone?

10 Answers   Infosys,

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WHAT MEANT BY MCC PANEL?

4 Answers  

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in 31.5 mva power transformer how to set of wti and oti?

1 Answers   HMEL,

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working principle of UPS

15 Answers   Mantri,

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how many earthing required for ups, what should be the earth voltages

9 Answers   Juniper Networks,

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why fault current always calculated for 1 seconds?

3 Answers   Coca Cola,

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what happens if we give 1-ph supply for 3-ph Bridge rectifier...??

2 Answers   Sanelec,

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what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?

0 Answers  

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