if the back emf eqution for dc motor EB=(QPNZ/60A) THEN
what is the value of A for PMDC MOTOR OR how can dicide the
value of "A"
Answer Posted / gk
A= NO.of parallel paths related to type of winding.
IF machine is having wave connected winding then no.of
parallel paths are 2 always.
If it is lap connected A=no.of poles i.e A=P.
Comments and additions are welcome. TQ
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
why high speed tripping relay will be used in tripping circuit why not normal relay
Why the field rheostat is adjusted such that the voltmeter reads 380V
What are hrc fuses and where it is used?
When is lag lead compensator is required?
Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.
what is the transformer turn ratio formula and give some examples?
how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.
What does ampere turns shows?
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.
how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?
upto how many load can v connect to stabilizer which is used for tv
concept of busbar and load dispatching..?
define as synchronous generator
what is the safety points of vaccum circuit breaker.