What happend if we connect star point to
ground of a star connected motor?
And what will be effect on system and
effeciency of motor?
Answer Posted / rizwanarain93
If we connect star point of star connected motor the star connections will be city converted into line to ground network which will increase the system voltage by 73% and it will cause a high current flow through motor and all motor design factor will effected seriously and there is high risk of insulation destruction
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
which protection function should measure RMS value of current&DFT value of current?
i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?
Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??
What are root loci?
How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.
According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?
RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?
WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB
what is the safty of poly phase tranformer?
he compression ratio for a petrol engine generally lies between
WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.
why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?
STATE WORKING OF VACCUM CIRCUIT BRAKER?
Why temperature rise is conducted in bus bars and isolators?
how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence