a 3 phase slip ring induction motor is wound for 4 poles on
stator and 6 poles on rotor; when 3 phase balanced voltage
source at 50 hz is applied to motor it will run at
a)1500rpm b)1000rpm c)750 rpm d)zero rpm
- 13 Answers
- 21585 Views
- Essar, PSPCL, PSTCL, I also Faced
- E-Mail Answers
Answer Posted / suraj patel
In Indaction motor 120f/p wher consider P is number of pole
for indaction motor this pole cosider only stater coze we
give supply on stater. thus Ans is 1500rpm
| Is This Answer Correct ? | 16 Yes | 8 No |
Post New Answer View All Answers
How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)
Difference between field rheostat and armature rheostat.
An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?
What will happen if the voltage in my house drops from 220V to any lower voltage?
any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U
What is the use of bundle conductors?
Define the term factor of inertia.
What are the major reasons for balancing hydro-thermal mix?
What are all present producing cost of Per KWH of various Fuel?
how many stairs have you climbed while you were coming
How Can You Relate Power Engineering With Electrical Engineering?
we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.
