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What is the formula for the output equation with respect to the peripheral speed?(a) output = 1.11* specific magnetic loading * specific electrical loading * winding space factor * 10^-3 * peripheral speed^2 *Length * synchronous speed(b) output = 1.11* specific magnetic loading * specific electrical loading * winding space factor * 10^-3 * peripheral speed^2 *Length / synchronous speed(c) output = 1.11* specific magnetic loading * specific electrical loading * winding space factor / 10^-3 * peripheral speed^2 *Length * synchronous speed(d) output = 1.110 / specific magnetic loading * specific electrical loading * winding space factor * 10^-3 * peripheral speed^2 *Length * synchronous speedI got this question during an internship interview.The above asked question is from Synchronous Machines Output Equation in section Design of Synchronous Machines of Design of Electrical Machines

Answer»

Right option is (b) output = 1.11* specific magnetic loading * specific electrical loading * winding space factor * 10^-3 * peripheral speed^2 *LENGTH / SYNCHRONOUS speed

Explanation: The output equation with RESPECT to the peripheral speed depends on the square of the peripheral speed of the machine. It doesn’t CONSIST of the diameter TERM in the output equation.



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