when a motor is connected in parallel with the existing
motor the pf will change or not?
Answers were Sorted based on User's Feedback
Answer / indrajeet
It depends upon which type of motor you are connecting
means if you are connecting synchronous motor in parallel
then P.F.will improve.Instead of this if you connect
induction motor then the system P.F.will be lagging.
| Is This Answer Correct ? | 11 Yes | 0 No |
Answer / sreeknp
Explanation for the first answer
in syatem one motor is connected .if a second one of same
pf of earlier motor is connected parallel to the it then pf
will not change try with some simple figures
| Is This Answer Correct ? | 3 Yes | 0 No |
power factor will change due to the eq. of power factor
P=VIcos(angle beetwin v&i)
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / naresh chandra jha
it depend which type of notor you are connecting . for
example induction motor will operate in lagging power
factor, synchronous phase modilfier with under excited will
operate in lagging and when it is overexcited it will
operate in leading p.f .
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sreeknp
1' if the motor is of same pf --no change in pf
2'if second motor has lower pf then pf will lowered
3' if second motor has higher pf --pf will improve now it is
clear that may lower, higher or no change
so correct answer is sometimes it may chamge
| Is This Answer Correct ? | 0 Yes | 0 No |
state the working of discharge lamp?
how to commissioning the genset with amf panel?
Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?
How to select earthing strip for 100kw induction motor ?
what is the necessity of neutral in 3 phase system?
how to calculate the settings for shaft ct protn in hydro generators
Is your generator is automated or manual if so do you know the circuits?
in three pin plug point, whats the reason that one plug point is bigger in size
why does fans rotate in anticlockwise direction?
during parallel operation of two ac generator which condition must match before taking both parallel i.e speed /voltage rating /kva/exciation
How can you measure battery AH?
Up to how much limit of HP of electric motor the Star- Delta Starter can be used ?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
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)