when the direction of a 3phase induction motor is
reversed , is there any losses increases?

Answer Posted / rahul sutar

No,but at the time of using R/F starter copper losses
increase

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Is vtg is controlled by the resistor? if else how much?

1651


What are the difference between normal application Transformer and Solar application Transformer?

1233


What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

1875


what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?

1640


WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

3529






Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

1035


please send me previous year questions of jspl through which i could prepare myself for the test.

1371


what may the reason for vector shift in a generator?

1395


where was current transformer protection units used and why??

1543


What is the power requirement of tamil nadu for one month?

1556


What do you mean by an instrument transformer?

650


How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

1477


What is mean by hot and cold loop testing? What is the difference between them?

603


why we have and use 3 phase not 2 or 4 or other in power system?

1689


how can maintain the power factor and why and this is how do work tell us

1551