how motor should be connected i.e star-delta or star-star
or delta-delta ?
Answers were Sorted based on User's Feedback
Answer / ashish sharma
STAR DELTA...BCOZ REDUCED VOLTAGE IS APLLIED IN STARTING AS THE STARTING CURRENT IS VERY HIGH...IN STA CNNECTION VP=VL/UNDER ROOT 3...
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / deepak verma
3 phase motor connected in stardelta connection because high value of current required to motor to attain its rated speed which is obtained by star delta....its increse the starting current by root 3 and reduce the voltage by root 3
| Is This Answer Correct ? | 0 Yes | 1 No |
what are factors comes under relay setting (distance relay 7sa52) under OPEN DELTA VTs connection??
DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?
will the power consumption remains the same when speed of the fan cnanges??if so y??
what is synchronizing panel & its working.
why secondary of transformer always grouded?
Why Two Transformers aside shoud be supperated by concreted wall?
what is the relation between size of the anteena and wavelenghth of radiated wave
What happen if in three phase 440 v , when you check voltage by testor it glows except one phase and in the same time when you check by multimeter it shows 440 v in any two phase.what will be the reason...
What is Automatic Voltage regulator(AVR)?
why florescent light was flickering?
there is a line fault some where on the ove head distribution line. how will i locate the fault for clearing it? ofcourse i have to megger the line but what information makes me clear that the fault is in that section of the line?
How to increase the specific gravity of DG batteries?
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)