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
work of choke in florocent tube circuit ?
explain transformer ct connection?
how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...
In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?
why would amp draw on neutral wire be as much as amp draw on the hot leg.
What is the suitable transmission voltage?
What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.
how to calculate units consumption for a 12 hp motor /hr.
If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..
What are the weight of 800KV DA,DB and DC type tower ?
what is the use of vcb & isolator in substation?
How PSV sizing being done
What is marx circuit?
full form of electrical?
Who many reason of ignition fail ?