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A chopper is used in the regenerative braking of a dc series motor similar to the arrangement shown in Figure Q2. The armatur

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34 (La uw te sa Given chopper is a second quadrant chopper SWITCH dito ON TOW T.* Average voltage T, = + S TON t Vg Ton where Dr Ton Duty cycle. * Pour fred Back to supply or Regenerated Power Vegy la PregGiven data Ra=0.02 2. RP -0.0312 I a= 200 A Kb = 15.25 mula rad 5 Yg = 500 V D-60%. 50:6. * = 500 - Via vs [1-o] =500 [.-0.6K6= 15.25 +10 A rads Ép K L / Ko=%A6d5 Eb K, - . 204 15-25 x 15°x200 66.88 = 66.88 todave is to get rising Boathing goed Esi Ev mina Iara 220010.08) - i Wrin Eb min kunta Ky la Rugby 0.02 15.25*103 x 200 mu Ring = 1.39 tady pre to get man. Brothing· Fornax - Barat Neemax = Jahat us. Ebman mar - Kb. Ia (hoo x002) +500 15.25xioo x 200 504 15.25*103 x 200 = 165.25 sad, zee.6.m. s - - [ ] VÝ (or les per ] - + = = 9 - Asa - = doo. Sin Toni = 200 Sino = 200 s1-(0.6) isoms =126.49 A Scanned with CamS

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