in soft starter system for 375 KW 3 ph induction motor for
multi stage vertical pump, two thyristers failed causing
shorting of thyrister. the motor winding failed while
starting.What is the cause and what is the effect in above
case
Answer / k.prakashchandra
Full voltage was applied across one of the windings
coneected in delta .
| Is This Answer Correct ? | 1 Yes | 1 No |
what is the temperature rise test? explain in brief.with formula.
Where the ON LOAD TAP CHANGER is provided in the setp up transformer?
which is better to use svc or synchronous condenser why ?
1.What is the proper definition of power system stability? 2.some times a blue spark is visible in the secondary side of a distribution transformer at the contact position of bushings and fuse wire,why?
How many types of protection relays are there based on the characteristic?
What is transformation ratio what it describes?
1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/
What is the minimum underground tank size capacity considered for firefighting purpose?
i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.
What happens if i apply 500V to 440V rotary Switch ?
If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?
how much distance is required for earth pit to earth pit in substation???
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)