Interested to Buy Any Domain ? << Click Here >> for more details...
What will happen if the rotor of an induction motor is fed
from a 3 phase supply and the stator short circuited ?
- 4 Answers
- 22030 Views
- I also Faced
- E-Mail Answers
Answer Posted / rakesh
Now the corrrect answer would be that the rotor will start
rotating in direction opposite to the rotating magnetic
field . say fr ex, the 3 phs supply on the rotor produces a
rotor mmf rotating in clockwise direction then this rotor
flux will cause an induced emf on the stator windings
lagging it by 90* say for a unity pf wrt to e the armature
mmf is also 90* lagging again rotating in clockwise
direction. to oppose this induced emf the stator tries to
rotate in the direction of rotating magnetic field but beng
fixed it fails to do so , in return the rotor in order to
nullify the cause of induced emf starts rotating in
opposite direction to rotating manetic field .
| Is This Answer Correct ? | 54 Yes | 5 No |
Post New Answer View All Answers
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
gas turbine genrator reactances
Is there any abbrevation for STUB in Stub bus protection
please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.
what kinds of Transformer oil grade is better for power transformer ?
Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?
In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above
What is precision of a measurement?
IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?
Do closed loops systems require manual input?
please tell me how a surge protector work on a DC 48Volt.? please describe briefly.
why high speed tripping relay is used in protection circuit why not normal relay
what is the difference between the characteristics of two different phase bushing of any transformer
can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?
Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.
