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
Is vtg is controlled by the resistor? if else how much?
What are the difference between normal application Transformer and Solar application Transformer?
What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?
what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?
WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR
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?
please send me previous year questions of jspl through which i could prepare myself for the test.
what may the reason for vector shift in a generator?
where was current transformer protection units used and why??
What is the power requirement of tamil nadu for one month?
What do you mean by an instrument transformer?
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
What is mean by hot and cold loop testing? What is the difference between them?
why we have and use 3 phase not 2 or 4 or other in power system?
how can maintain the power factor and why and this is how do work tell us