why we grounding the neutral of a transformer?
- 3 Answers
- 4622 Views
- GAS, I also Faced
- E-Mail Answers
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
calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.
im electrical engineer, could any one help me for FEWA exam questions please ?
In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?
what is upper impedance and lower impedance of a distance relay
Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.
How will polarity test of Dy5 Transformer ?
why ahould you show client/engineer activities clearly on the project plan
Explain the functioning of diode?
ratings of lightning arrester
What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.
What is the difference between isolators and electrical circuit breakers? What is bus-bar?
please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com
I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me
how to calculate magnetic force genrated by a coil ?
i need of the bhel question papers along with answers and also give some website names for the downloading question (electrical and electronics engg question)please help me....
