What is the minimum insulation value required for a cable
between phase to phase and phase to earth of 380 Vac 50Hz
circuit, having load arround 800 amps.

Answer Posted / md ashhar

0.5 Megha ohn

Is This Answer Correct ?    11 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

1923


Explain advantages of storage batteries

657


for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations

1624


What is difference between insulating medium and fault current interruption medium in a switching device.

1119


what is the mechanical safety of DG ?

1704






HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1502


what is the voltage regulation for unity and zero power factor?

1768


What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

1437


Why different Pressure switch used in marine boiler water circulation system

1326


How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.

1196


What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?

3163


in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

1854


what is draiv work

1453


What is real time power factor control panel(RTPFC)?

3838


What is difference between start imitation and start interlock for 3 phase motor protection ?

1803