Why the resistance grounding (NGR) is better than Solid
grounding?

Answer Posted / revathi

In resistance grounding the phases connected to ground
through resistors. it resists the excess flow of current
and trip the circuit.

Is This Answer Correct ?    2 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

1810


what is the IPC ? & what the uses ?

1015


A jet of fluid strikes a plate What was the force required to counter it?

1467


What is the drawback of class b amplifier? How is this minimized?

672


I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?

2587






HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

1650


explain supply side and demand side energy management with advantages & disadvantages

1683


What is the function of RCBO? What are the different sensitivity ratings & each application?

2145


what is meant by vector group of a transformer? How can it be derived?

1519


what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

1643


In dc ckt. 24v or 110v, which one is more efficient and why?

1748


how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1450


If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

1142


Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.

1300


Why the field rheostat is adjusted such that the voltmeter reads 380V

1822