q1sol - ECE433 Quiz 1 — Name PUID 1 Given the following...

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Unformatted text preview: ECE433- Quiz 1 — January 28, 2011 Name: PUID: 1) Given the following converter, assume that at any instant the switch will move between position 1 and 2, with a switching frequency of f5W and a duty cycle of 50%. -, 14 2 (i) Determine the converter voltage conversion ratio (2 points). «7541;: :Wutch mpwltwnl T/Lé €225 w / ya when?) Mgr “V ' ' 2L :6 IL’Z Lcd’);LL(/t)’ A k ’ I ’ — 2 » 17w 219:1 Min/g )Mwfial UM 584 W -0, _- V lTLV’ «rjECVg'VD/ g V if V U’DTJ’O €73 i;- ' fl (ii) Determine the average value of the inductor current (3 points). 85 MW amt/”w We émfl’ Wit/4» M 421% a Wage mm 213 76% ,Mmlzvr [mm/t. " ‘ , ‘ T .Z ).;:O % agave a %(%(<%:)+ {MIL fl) 1L: LIV /' K am Ma 79% {flnwfl’bfi We * ”/7 M ‘ (iii) Draw the inductor current waveform and calculate the inductor current ripple (3 points). (iv) Calculate the? amplitude of output voltage ripple (2 points). LC 5 ALL ...
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