why do power factor in the three phase induction motor
increases with the load ???.
Answers were Sorted based on User's Feedback
Answer / sharan dilip
In the -ph systems the pf decreases as load Increases.
But In the induction motor it quite different.
At no load or light load the current drawn by induction
motor is is comparable with the magnitude of the magnetizing
current which lags much behind the applied voltage and hence
low pf @ low or no-loads.
While the load increases the current drawn by the induction
motor increases. As the secondary of i.m. is short
circuited.The current operates at a higher power factor.
| Is This Answer Correct ? | 8 Yes | 7 No |
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.
The readings with a Multi meter are 15 Amps Phase Neutral 192,Phase Earth 194 and Neutral Earth 24 5 Amps Phase neutral 192, Phase Earth 153, neutral Earth 48
what is field flash
please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula
what is pure resistive circuit and pure inductive circuit
what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.
any one please tell taht what type questions will be asked in BHEL interview, i am having interview on 24th Dec, please send this to mail pradeepsistam@yahoo.co.in
725KW Three DG set Synchronised but DG no-1 power showing 750KW DG n0-2 power showing 500KW DG no-03 showing 500KW. DG is Shynchronised but why this different power showing?
Advantage of LT panel vs HT panel
Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?
what do you mean by partial discharge in cable
Why capacitor blocks DC current?
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)