Question: A three phase, variable frequency drive system is used to power a 4-pole synchronous machine. It is desired to operate the speed of the

A three phase, variable frequency drive system is used to power a

A three phase, variable frequency drive system is used to power a 4-pole synchronous machine. It is desired to operate the speed of the rotor at 5500 RPM with a 208 V-tms terminal motor voltage. The de link voltage is 600 Vae- The mechanical power output from the machine shaft is known to be 10 HP. State any assumptions your are making. (a) 10pts. Solve for the three phase duty cycles that are required to produce stated output? (b) Spts. What is the approximate value of the de link current? (c) Spts. What is the theoretically lowest value of de link voltage that be used?

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