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quiz #5

# quiz #5 - EE 4420 quiz#5 Name Wm Mix-1 titer-“:zzma 1...

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Unformatted text preview: 10/19/05 EE 4420: quiz #5 Name Wm Mix-1. . . titer-“:zzma 1. Write the function of Fm(9,t) which describes the alternatingmagnetic ﬁeld. Using the rotating vector diagram and mathematical expression Show 110w the alternating ﬂux can be represented by two ﬂux components. 1 f_ _ L- A \ , 9‘ \i »‘ . F (&{f;kji " FM; ﬁrm (if?) {saith/JEN» / E" F , ~ “ . {3 (581:3 r PM 5A (9‘1"? BUS-(Hut ' ‘ "1 g: m; .J‘ ‘r : I", l 1 iv" 2. List the conditions that should be satisﬁed by winding and supply current to generate a circle—rotating magnetic ﬁeld. Write the expression for magnetornotive force Fm(9,t), that describes this ﬁeld. What would be the Speed of rotating ﬂux if the 3—phase 4-p01e winding is supplied from 60 Hz source. M g . Q 1 ((4 ‘°--/ ‘\ I CONVT‘ON5 L ,, f" 3 J» / t 2 / w ‘ m4 .1 W. m ‘ \ ,v/ r“ .m, , M ‘. . ~ ) A {All Wm; M #131" {£151. "‘E N ‘9 \J.‘ 1 Nu ,m c) g E ’ 1A7 i3 it"; {t [N3 12’! FV... by“; , M \$13996. L’K L,» 9 .. ., iris ' it " t 9w '9‘; , e; W H x" g ., 7' +513 , [ml M ST 1.53 E: 9/], a). \$151!”! a; t) if} “3‘ {“3 1m. L M :3? «En, ml 1 m ' 1 ﬂ 3‘ .141 Cw" W .. ‘3’; 7 9 N’ a L \ “ r, v— r' v: .; 9. [31”, \V._) 1 9 « V1) M \ , '1? Bit/(2,1)} ~’ ”\$15520 [Pitt/g x/ ...
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