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

Answer Posted / shivababa_1812

electrical engineering

Is This Answer Correct ?    1 Yes 12 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is value of Jin transformer

1633


Diagram on interconnectivity of 11kv transformer with RMU (i.e, one incoming and two outgoing or two incoming and one outgoing)

2213


How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?

3997


can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

4450


what is the mechanical safety of DG ?

1688






what is the transformer rush current?

1573


can i connect REF and Differencial relay in 1 CT core for transformer protection?

1461


Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.

1862


What are protections for dty type transformers

1376


Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.

1925


how single phase preventer works ?

2014


what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

1473


acb(AIR CIRCUIT BREAKER)NOT CHARGING AUTO

1832


can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

1556


hello if any one have papers vof hpcl or sail, plz send me

1424