what is the principle of operation of domestic fan?? what is
the role of capacitor in it??
Answer Posted / sanjay dalvi
to genrate rotating field in single phase motor Capacitor
is used as a starting winding;when motor rotates at 80 % of
full speed ;Starting winding cut off from circuit & fan
motor runs at rated speed.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz
what is saturation kit?which use above 15 kw motors panel side.
Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.
In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?
how balanced in star delta connection ?
what is lumped and distributed elements?
Why negative feedback is preferred in the control system?
can we do the star delta connection of capacitor for 3- phase motor starter.
why a tester wont shock while testing the power in house
what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
there are cam operated switches - why we call cam operated , What is cam ?
in shunt clippers why a resistor is used in sereis with the input
how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...
What is the function of interposing current transformer?
what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.