Interested to Buy Any Domain ? << Click Here >> for more details...
An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull
out torque will occur. The rotor resistance per phase is 0.3
ohm and motor stalls at 650 rpm. The rotor frequency at
maximum torque point is
A 3.33% B 4.44%
C 5.55% D 6.66%
- 1 Answers
- 3804 Views
- I also Faced
- E-Mail Answers
Answer Posted / jay laruja
-slip at 650 rpm
120fs/p
= (120 x 50) / 8
= 750
slip = (Ns + Nr) / Ns = 0.133
fr = s x fs = 0.13 x 50 = 6.667%
there you go buddy ;)
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?
our industries ht line so power fluctation(once drop of power please rectify causes
why we are not giving the zone 1 trip command to the master trip relay
Earth leakage relay basic knowledge principle
why voltage form factor of PT are increase , when it is ecpected heigher spikes in system. how it is calculated.
what is the formula to calculate voltage drop/loss on 66KV Transmission Line?
What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?
what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????
why HT armoured cable does not glanding
explain transformer ct connection?
What is the difference between relays and contactor construction wise?
Can anybody inform me about the pattern of ECIL GET( Graduate Engineers Trainee) interview for Electrical students? Will there be HR round as well? I thought of preparing for 2 to 3 subjects thoroughly. Will it be sufficient? Please share your thoughts.
How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.
What is the role of power pack in substation protection system?
can we synchronize star system generators with delta system generators?
