whye the current increases in the motor when the load on the
motor increases
Answers were Sorted based on User's Feedback
Answer / gajendran.al
When load on the motor increases, it tries slow down. This
reduction of speed reduces the back emf produced [which
acts as the current limiting impedance]. Due to this the
current drawn by the motor increases
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / s s nanal
Full load speed of Induction Motor is near the sunchronous
speed. (Ns = 120 f/P) With increase in load the motor slows
down.Hence back emf developed also reduces.Hence motor
draws more current from supply in order to retain its speed
near synchronous speed.
| Is This Answer Correct ? | 2 Yes | 2 No |
We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.
What is the work of IGBT in ups?
If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?
how to select DG set for certain load?
* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????
In ACS 1000 drive we used 12 pulse convertor.Why dont used 6 pulse or 3 pulse convetor
what's the use of cvt and wave trap in 400kv switch yard.......
If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?
we have one pumping station and 4.6 MW 7 no.s synchronous motors.so there is no required HT capacitor to improve power factor.But we have two no.s of 25 Mva power transformer connect to distribute the power for motors connect with 220 kv line.So i have required the HT capacitor to improve power factor at HT side i mean power transformer bus side.So please suggest how much HT capacitor banks required for same.
what do you mean by power factor ? in new view
i am going to attaned the engineer (disign)iterview at HAL please give me duid line
if we put a energy meter in 500 kvar capacitor bank ,then how much units show in energy meter per day.
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)