which pole motor is best ?4 pole motor or 6 pole motor,why?
Answers were Sorted based on User's Feedback
Answer / rajeshsan
The selection of 4 pole or 6 pole depends on application and speed.
To explain in detail
speed, N = 120f/p
where,
N
f = frequency
p=poles
From above it was clear speed depands on frequency and no of poles.
Is This Answer Correct ? | 5 Yes | 1 No |
Answer / shyamkr
actually this depends on the operation of the motor.in most
of the cases 6 pole motor are more beneficial since we get
close wave form of flux as compared to the sine wave.
but when explanation is needed for the motor operation then
4 pole motor is very easy to understand.
Is This Answer Correct ? | 0 Yes | 2 No |
Draw transformer phasor diagram.(full load,no load)
what is there inside an inverter and how it works?
what is efficient load of transformer in percentage
does any one know where we can purchase insulation oil for high voltage oil filled cables
any one can explain the stages of a knee point which is taken during ct magnetising curve.
what is the proximity & ferranti effects can you explain to me
what is the formula to find battery back up of ups?
whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions
I have cleared IOCL written exam(Electrical). My intv is on 6/9/2008.can anyone guide me & tellme abt intv questions.
how to calculate fault level?
How will you utilise electrical power? You can start from the generating station.
why rating of transformer is in KVA but of motor is in KW