why field rhoestat is kept in minimum position while armature
rheostat at maximun position?
Answer Posted / p.n.gupta
In motors at the time of starting the armature resistance
is introduced to reduce the high starting current and the
field resitance is kept minimum to have high starting
torque.
| Is This Answer Correct ? | 28 Yes | 4 No |
Post New Answer View All Answers
What is thresh hold value of current?
what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA
What happens to voltage when current through the inductor is constant?
Brief working principle of stabilizer,application & safety precautions
What is the difference between type1 and type2 relay protection co-ordination for motor feeders
what is meant by carrier aided trip protection in transmission line
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?
we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?
With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.
Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?
what is the role and fuction of automatic transfer switch in rotary ups
What are the uses of lead compensator?
11 kv input, 66 kv input advantages
3ph motor running with unequal kw and different pf what are the reasons
I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?