Answer Posted / ajay
It's depend upon on your motor application. If it is blower
motor or fan motor timing is different than pump
application motor. So you have to refer motor technical
data sheet and find motor starting time (i.e:in what time
motor current goes normal).Accordingly set the star-delta
timer.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
What is Long rod insulator and it's applications..? merits over the disc insulator ..?
difrent between vcb acb sf6 and mccb breakers
How to measure the Harmonic Distortion of UPS ie THD?
how can you size an automatic voltage regulator?
how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?
RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV
earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?
how ups works ? various parts of ups and working principle
how the CT and PT is connected in the circuit during testing of transformer explain with diagram
what are the advantage and dis-advantage of 3 phase 4 wire energy meter?
Why Ac Systems Are Preferred Over Dc Systems?
if a.c supply is given to the motor,, what happen?
what is per unit calculation?looking for simple and strong explanation thk u
Ratings of power transformer,Distribution transformer.
How to know th details about an electrical Drawing ? Please mention the easy method.