when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM

when i am going to take trail on a 3ph sq.i/m motor 5.5kw,
i observed that RPM of the motor is very low as compared to
the rated RPM and also it rotates in clockwise in first ON
command,and anticlock wise in second ON command.
finally i observed that on phase is no available .
but iam not clear about, why the motor is rotates in both
directions without any phase interchanging.pls answer to my
question.

Question Posted / y.arjunarao@zcltd.com

1 Answers
5292 Views
I also Faced
E-Mail Answers

when i am going to take trail on a 3ph sq.i/m motor 5.5kw, i observed that RPM of the motor is very..

Answer / k.prakashchandra

The direction is changed by interchanging 2 phases and third
phase is taken directly.

Is This Answer Correct ?

0 Yes

3 No

Post New Answer

More Electrical Engineering Interview Questions

Define ampere

0 Answers

power factor is max for which welding a.arc b.resistance c.gas

2 Answers Bhel, HCL,

how to understand the controling circuits example star- delta-starter controling daigram please let me know

3 Answers GMR,

Yazaki india pvt ltd interview questions qurey related

0 Answers

meter ratio is 100/5 CT ratio is 125/5, when the ratios changes i.e., CT ratio is 125/5 meter ratio is 100/5 what is the MF in boths conditions?

1 Answers

What is effect of power factor on change in voltage

13 Answers APNPDCL, apspdcl, My Home Industries,

Why we have use 3 & 1/2 core cable use for general electrical supply arrangement

1 Answers

Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

0 Answers

How dc generators direction can be reversed ??

2 Answers GPSC Gujarat Public Service Commission,

given data are load current & power factor cable core size? plz any one update the calculation formula

0 Answers

Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers

how to syncronize two dg sets

3 Answers

For more Electrical Engineering Interview Questions Click Here