hw6[1] - ECE 321 Homework Set 6 Due Monday. Nov. 8 Must be...

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Name: Student ID: ECE 321 Homework Set 6 Due Monday. Nov. 8 Must be turned in at beginning of class. Staple this page to front of your solutions. Home- work will be collected at beginning of class. If not submitted in time, it will not be graded.
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1. Consider the reluctance machine (inductances in mH) Suppose that in steady state, , , and where and are constant. (a) For what value of is constant? (b) For the value of in (a), establish the value of that maximizes . What is the value of maximum ? For this operating condition, sketch the time-zero ( ) cross sectional view of the machine indicating the rotor position and the locations of and . (c) Suppose is as before but . Show that the net stator mmf can be expressed in the form (evaluate and ) : 2. Consider the PM synchronous machine in Fig. 7.2-1. , , Suppose that in steady state, , , and where and are constant. (a) For what value of is constant? (b) For the value of
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This note was uploaded on 11/29/2010 for the course ECE 321 taught by Professor Staff during the Spring '08 term at Purdue.

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hw6[1] - ECE 321 Homework Set 6 Due Monday. Nov. 8 Must be...

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