Interested to Buy Any Domain ? << Click Here >> for more details...
why onlyseries motors are used as universal motors? why not
shunt?
- 4 Answers
- 11173 Views
- TCS, I also Faced
- E-Mail Answers
Answer Posted / md.asaduzzaman
as in series motor torque proportional to flux.current
&flux=current
so,t=i^2so,in ac &dc alws,t=+ve.
and also high starting torque,
but in shunt t=i
as,flux cnst,flux depends on sply voltagein ac it =-ve
so.alws series motor is used.
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
what is the Pickup/drop off ratio in BCPU relays
When is lag lead compensator is required?
why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?
In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
How do you determine the size of transformer radiators in a transformer?
in shunt clippers why a resistor is used in sereis with the input
I am apply the AAI. So i want electrical sample question paper in technical with answer my id is vijayjobsmart@gmail.com
The capacitive reactance of a capacitor of 1/(2(PI)) F at 10^3 H is
Why synchronous motor is used in power factor improvement,dc series in lift
what is the IPC ? & what the uses ?
what is vtg limit of earth and neutral at transformer side?
How many kinds of E.L.C.B and how to work E.L.C.B
What information we need to prepare relay coordination chart
Difference between low impedance and high impedance Restricted Earth Fault
