1. Why a DC motor starter is called 3 point starter
Answer Posted / nagaraju .n
In an dc motor have 1.armature
2.field
3.supply
in an 3point starter have 3point(L A F ),
it limits starting armeture current.because armeture is
very low resistence.
that way adding resistace series with the armature 3 point
starter should be used.
Is This Answer Correct ? | 113 Yes | 19 No |
Post New Answer View All Answers
Connection diagram for KW meter and Kva meter
How the PF control while running DG set with load
How we calculat the NGR of 3phase Generator, Our generation voltage 11KV
Why r u using pf panel. what the uses
i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...
How many double suspension hardware fittings are required on a double circuit transmission tower?
WHAT HAPPENED DC SERIES MOTOR FIELD WINDING OPEN. CAN POSSIBLE.
How to calculate that clean water supply in one Day from 150 KLD STP?
How we can come to know the substation range,without go through any name plate ?
I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.
in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}
To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors
can we install HT panel & LT panel side by side or how much clearance is required ?
1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?
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?