a new 3ph induction motor doesn't rotates their ratted speed, why ?
Answer Posted / ashok k
This is due to Slip also. Anther possible reason broken short circuited rotor ring or Rotor lamination may be broken.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
If UG power cable both ends are to be earthed or what? If not why?
Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm
how to determine motor size for a fan application?
How to test IR testing & magnetic balance test
How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)
how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?
PIU how does work?
How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?
What is stepper motor. What is its uses?
what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?
DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS
WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?
can any one provide me a connection wiring diagram for a DG set control panel along with BOM?
what is the minimum winding resistance of 30hp compressor, to run or to switch on
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain