Lecture Notes 9_Reactive

C dy il ir if c is large then the variations in y will

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Unformatted text preview: , into a lower one, Y . The switch, S , closes for a fraction a of the time. a is the duty cycle and 1 is 3 in this example. When S is closed, x = v , and a current iL flows. When S opens, the current iL cannot change instantly and so it must flow through the diode (we assume the diode is ideal). The average value of x is aV ⇒ the average value of y must also be aV . E1.1 Analysis of Circuits (2013-3717) Capacitors and Inductors: 9 – 10 / 12 Buck Converter 9: Capacitors and Inductors • Capacitors • Types of Capacitor • Inductors • Passive Components • Series and Parallel Inductors • Series and Parallel Capacitors • Current/Voltage Continuity • Average Current/Voltage • Buck Converter • Power and Energy • Summary A buck converter converts a high voltage, V , into a lower one, Y . The switch, S , closes for a fraction a of the time. a is the duty cycle and 1 is 3 in this example. When S is closed, x = v , and a current iL flows. When S opens, the current iL cannot...
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