Answer / pkb

1000 rpm machine has more poles than 1500 rpm macine. More
poles means more copper, hence size is more .

Answer / pandeyrahul

well u will get correct answer if u read design concept of
machines
machine rating is propotional to
Q = kD*D*L*n
where d is dia of stator core
l is lenth of machine
n = speed

hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

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