what is cogging and crawling
Answer Posted / kewal lama
cogging:-
due to magnetic locking between the stator and the rotor of
the squirrel cage induction motor,the rotor fails to start.
this phenomena is known as cogging,,
Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.
please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.
How much kv gas generator is needed to run 2 hp and 1 hp airconditioners, plus a refrigerator and 4 Tvs
During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative
WHAT IS LOAD CELL
What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?
what is the difference between RMS & TRUE RMS VOLTAGE
what is sevice settings for mccb?How can be it setted?
explain single phase series motor
what is basic difference betmeen normal & flame proof motor??
if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .
What is time invariant system?
What is a signal flow graph?
How to select a contactor? How many types of contactors are available
How are load losses and no-load losses measured at site in a DG set?