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
If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?
What is difference between Harmonic and Non harmonic Capacitor Bank?
temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%
How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted
what is the difference between electrical and electronic choke?
What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.
Can we convert off line transformer to on line transformer
What are the basic properties of signal flow graph?
How to design the NGR Resistance
BSNL TTA EXAM QUESTION
what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?
how to ctrl motor by use of ac or dc drive.plz explain evdintly
What is the difference between relays and contactor construction wise?
how to measure the current by compact digital equipment with dislay which fit inside any equipment
please send the IS strandard for electrical to sakthi_murugan86@yahoo.co.in