Interested to Buy Any Domain ? << Click Here >> for more details...
A 3-phase IM is supplied from 50 Hz system. It runs at speed
of 1440 rpm and slip equal to 4 %. Calculate rotor
frequency.
A 50 Hz B 0 Hz
C 4 Hz D 6 Hz
- 3 Answers
- 5264 Views
- I also Faced
- E-Mail Answers
Answer Posted / varaprasad
ANS: 2Hz
Rotorfrequency = s×frequency of applied voltage to stator = sf
SO,
ROTOR F = 0.04*50=2Hz
| Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
lamination figures
State the methods of improving power factor?
regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?
Why do we use center tap transformer that used with portable tools
what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?
What are the operation carried out in thermal power station?
Difference between RCCB, RCBO and ELMCB.
what is lumped and distributed elements?
what is the voltage rating of chiller unit sensors
HOW WORK HEAT PLATE EXCHANGER
Give some example of fault limiting devices?
what shoud be strength and weakness to impress interviewer????????
plz explain the auot-reclosing circuit in electrical engineeing
-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.
Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?
