in single phase we get 220 volt and in three phase 4420 v
why this
second Ques= in case three phase star conection our
neutrul becom disconect what happan

3 Q=== a three phase house load and have unbalce load on
different pahse diffrent current eg phase a 7A b 8A c
5A and voltage is 440 than how calculate it total load in
kw pl give formula thanks

Answer Posted / deepakindi1

hi ram break means discontinuty or open circuit

Is This Answer Correct ?    2 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

1514


Explain the term parallel path in dc machin ?

1764


does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

1406


How many kinds of E.L.C.B and how to work E.L.C.B

1607


what is the difference between megger and earth resister ??

1339






what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

1531


Mention the difference between Analogue and Digital circuit?

683


Define filter?

650


how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

1629


Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1177


what is (+) and (-) in generator field detector stand for?

1386


what is PID control in VFD drives?

1507


bus bar design conditions and sizing pls tell me quickly

1489


Explain bypass capacitor?

652


what curve and rateing would you use for a three phase 0.75kw motor?

1569