HW11solution

# HW11solution - 4/9/2OA9l:01:00 PM 2 Find vo and Io in the...

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Lfe? 1. a) b) c) Homework #11 Due: April 15,20A9 e) Name 4/9/24091:01:00 PM Draw the equivalent circuit for a DC motor. Make a plot of armature current Io as a function of angular speed a. If the terminal voltage is 5V, the armature resistance is 5Q and the no-load speed is 7000 rpm, what will the armature current be at a speed of 5000 rpm? 4l V D t !oW. = r*ru =V" 14o I En + 14_ ,l . .1 (4u /'L< :*{v = '-JZ T- / Jo vu faa *.'tn '? r" ILo jt?D ;(^ g k*b 4) lv* F-a '/an ,'7* ''- r^ ,/4\ l--- I ' 7z-" u-fw / V t ,4, : 4,/, = 7auo.y^ vE 72rc ,'-( ^ .Ln 4 l< .y, lLn :-b lLo )n It1 V/ -L/ - -l il.\ Y'zz 4) > S?U) 4 =k, 1,,- a. z?e A

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Homework #11 Due: April 15,2009 ,Z( Name
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Unformatted text preview: 4/9/2OA9l:01:00 PM 2. Find vo and Io in the following circuit. Drawthe phasor diagram of % and Io. v"r\n Vru'/*n 7 -l-1220',V AC tZ 3 -Jz V' io= 7.4tu f -tt->t" tz 3-,2 3 Z-/ ? t* j7 - 4f " Homework #11 Due: April 15,2009 3. Find Io, fr, and V in the following circuit. + V t-t IL r l+ tz z l-'L-,| T l- JL = /f .4)z f lz.t="4 V-- T-- T, 4(t*jz\(r,,2) = /op V L Cu.r--J j1r,3,un 7u' 4 l+ 1z =Q T, : 4 = 4.472 u (t-iz) ( t *;>) 4/0" A 14er Name 4/9/20091:01:00 PM Draw the phasor diagram of Is, 11, and V. ro j2a-j20 Ir '43- 4 >" u'T fo...
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## This note was uploaded on 03/05/2010 for the course EGR 240 taught by Professor Michael,p during the Winter '08 term at Oakland University.

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HW11solution - 4/9/2OA9l:01:00 PM 2 Find vo and Io in the...

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