how can we run the induction motor at 9000 rpm ,by keeping
frequency constant??

Answers were Sorted based on User's Feedback



how can we run the induction motor at 9000 rpm ,by keeping frequency constant??..

Answer / nilkanth tailor

bY KEEPING FREQUENCY CONSTANT, THIER IS ONLY ONE WAY TO
INCREASE OR DECRASE THE SPEED...SUPPOSE WE HAVE f=50Hz and
N=9000...thean no pole equlas to P=120*f/N...but we got
answer is 0.66pole which is not possible...so i think we
have to incraese freq to get speed high...up to 9000...

Is This Answer Correct ?    5 Yes 0 No

how can we run the induction motor at 9000 rpm ,by keeping frequency constant??..

Answer / meenakshi

u gotta increase the frequency from 50Hz to greater than
150Hz. am telling for 2 pole.but i dont think this is
practically possible.

Is This Answer Correct ?    4 Yes 1 No

Post New Answer

More Electrical Engineering Interview Questions

can we use 400w coke instead of 250w choke in 250w fittings

2 Answers  


Which are the major Nuclear power accidents in the world?

1 Answers  


Can any one tell me the current VAT, Sales Tax, Octroi and Excise duty for the financial year 2009 -2010. Say control panels are manufactured in maharashtra, then what will be the taxes for within Maharashtra and outside Maharashtra?

1 Answers  


what is the purpose of ignitor in lighting fixer

1 Answers  


in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  






in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

0 Answers  


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

0 Answers  


although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

0 Answers  


What are the neccessary safety arrangements before commissioning of HV substation?

1 Answers  


how to get more than 1000 ohms between 2 earth pits ?

2 Answers   HCL,


Can we use a window type neutral CT instead of a bar type neutral CT. We have an issue with a neutral bar type CT of 800/1 ratio with a Circuit breaker NS800L shneider type, and we want to change it with a window type. Pls advise. Thanks

1 Answers  


If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

0 Answers   ABC,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5084)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16631)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1094)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)