Why are the HV motors are connected in star connection?

Answer Posted / t pandey

In star, phase voltage is reduced root3 times of applied
voltage thus creating less stress on winding of the
motor.Also reduced voltage can be controlled more safely.

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

1901


Formulae for calculating the transmission line losses for different voltage levels

1628


We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

1472


From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?

1317


What is difference between start imitation and start interlock for 3 phase motor protection ?

1799






what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

2450


WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

2701


what is transient enclosure vltage , very fast transients, very fast transient over voltages

1652


Why does the rotor rotate?

1817


I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

1475


what is the use of the circle diagram

4544


WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

1337


What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

1634


Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

1514


what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

2028