how starting current in motor is reduced in case of motor in star connection.
Answers were Sorted based on User's Feedback
Answer / rishad
In a star connection Line Current is Equal to Phase Current. i.e.
Line Current = Phase Current
IL = IPH
Where as in delta line current= 1.732 phase current
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / amar
In star, resistance across two terminal become three times as compare to delta.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / anand yadav
The motor starting current can be reduced by following methods;
1. Start the motor without load.
if not possible
2. Use auto transformer starter
or
3. Use soft starter
| Is This Answer Correct ? | 1 Yes | 2 No |
The motors are usually designed to run in delta connection i.e. each of the three windings to take line voltage . When you start in star connection , each winding is subjected to phase voltage , Hence the starting current will be less .
| Is This Answer Correct ? | 0 Yes | 1 No |
what is the use of pmg in exciter?
wath is this mining of bts
Why capacitor bank is not neccessery to switch on,pls answ me with formula
why voltage swells and dips in transmission line?
what is AMF panel????????
why the supply power frequency is 50hz in india? where as it is 60hz in US?
how to calculate generator capacity?(kva)
why we are using earth pit in sub stations.?
What is the difference between EXE and EXD
How to determine the short circuit current for breakers and VCB.
I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)
Current Transformer's star point must face the protected object for the relay operation?
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)