why we grounding the neutral of a transformer?
Answer Posted / simon peter
In distribution transformer the secondary side is always in star connection i,.e a neutal piont is drawn. Neutal wire & the core of x-mer is connected to earthing bcs if there is enormous load variation the overall load will b on phase wires hense x-mer might blow off due to increase in the value of hysteresis & eddy losses........
Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another
How much depth n width required for laying of 1X70 Sqmm Cable in Desert???
What are the two basic types of transformers?
Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?
What is kirchoff ’s current law (kcl)?
1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor
What is the type of feedback used in an op- amp schmitt trigger?
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
How to calculate cable size by using load.?? Any formula...
All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?
dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish
Efficient electrical earthing in hard rock area
What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?
What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?
I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?