why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply
- 12 Answers
- 17639 Views
- APTransco, Proman, I also Faced
- E-Mail Answers
Answer Posted / pravallika
for magnetising poles in rotor
| Is This Answer Correct ? | 2 Yes | 3 No |
Post New Answer View All Answers
if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?
describe the constructional features of an auto transformer and its principle operation
How RTCC panel is working and give single line diagram for RTCC with transformer?
what is RFCT and Insulgard Relay & It's function?
ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
how to remover corona effect and hysteresis losses from contactor
why the name trunking bus PT
im working in one private compeny in gujarat. i was complet diploma electric in 2010 from gujarat technical board. now i want electric supervisor licence in gujarat but i dont't know when i apply? plz give me address of the licence dippartment office in gujarat. gandhinagar
how invertor convert the dc into ac give brif detail
how to calculate
What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?
what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?
which capacity of RCCB used for five thousand watt electricity load?
How to select the cable and voltage drop in circuit?
