Answer Posted / jb
NGR means Neutral Grounding Resistance.it is used for limit the earth fault current.
generally the NGR earthing used upto the 11kv , Ac supply
Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?
What is kvar?
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company
What is 11 N1 and 12 N2 in single phase Transformer ?
WHAT IS counter flux IN CT?
Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?
what type of earthing do for dry fissure rock?
What is open delta Xformer? It's adavntages & Use?
Is vtg is controlled by the resistor? if else how much?
dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour
how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets
why in the three pin plug all 3 pins are cutted ?
how is the magnetic current test is different in delta-star and delta delta transformer.
How to calculate the heat load for a electrical room