how do u get less voltage in star connection

Answer Posted / alok

because angle between two phase is 120 not 180 degree so we
found phase to phase value 1.732 times not 2 times so for
phase to nutral we divide it by 1.732 and get less voltage
compare to ratted line value.

Is This Answer Correct ?    3 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

is oil viscosity affect on motor current?

1602


132/66kv sub-station procation ?

1827


I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

2117


Why is the frequency not changed during transformation of electrical energy in a transformer?

953


mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

1580






What if the difference beween internal and exrteranal LBB?

1298


I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

1132


previous year paper of ntpc bhel for degree in electrical enng

2878


Why generation voltage in thermal power plant is between 11kv to 33kv?

711


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1779


what is thermal resistance of PVC Cable.

1433


WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

1584


how to select size of hardware for linking aluminium busbar is it depend on area of busbar or current flowing through bus bar

1631


how can we say that stator magnetic field rotates with synchronous speed?can we derive?

1386


Can any body tell gulf interview question for experienced electrical engineer ?

1737