By Fang Lin Luo, Hong Ye
DC/DC conversion thoughts have gone through speedy improvement in contemporary many years. With the pioneering paintings of authors Fang Lin Luo and Hong Ye, DC/DC converters have now been looked after into their six generations, and via a coarse count number, over 500 assorted topologies presently exist, with extra being constructed each one year.
Advanced DC/DC Converters bargains a concise, functional presentation of DC/DC converters, summarizing the spectrum of conversion applied sciences and offering many new principles and greater than a hundred new topologies. The remedy starts off with history fabric on DC/DC conversion and discussions on voltage raise and super-lift converters. It then proceeds via each one new release, together with the groundbreaking 6th generation--converters constructed by way of the authors that may be cascaded for top voltage move achieve.
More than 320 figures, 60 tables, and 500 formulae let you extra simply clutch the general constitution of complex DC/DC converters, supply speedy entry to specific facts, and assist you speedy make certain the values of your personal circuit parts. Nowhere else within the literature are DC/DC converters so logically looked after and systematically brought. Nowhere else are you able to locate specific info on prototype topologies that signify an immense contribution to trendy strength engineering.
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Extra resources for Advanced DC/DC Converters
20 Positive push-pull pump. 1 Buck Converter The buck converter is a step-down DC/DC converter. It works in firstquadrant operation. It can be derived from a quadrant I chopper. 23. 8) where T is the repeating period T = 1/f, f is the chopping frequency, ton is the switch-on time, and k is the conduction duty cycle k = ton/T. 2 Boost Converter The boost converter is a step-up DC/DC converter. It works in secondquadrant operation. It can be derived from quadrant II chopper. 24. 21 Negative push-pull pump.
6 Tapped Inductor Converter These converters are derived from fundamental converters. 2. 3. Here the tapped inductor ratio is n = n1/(n1 + n2). 4 Voltage Lift Converters Voltage lift technique is a good method to lift the output voltage, and is widely applied in electronic circuit design. After long-term industrial application and research this method has been successfully used in DC/DC conversion technique. Using this method the output voltage can be easily lifted by tens to hundreds of times.
Where k is the conduction duty cycle k = ton/T. 7. Dual quadrant operation is usually requested in the system with two voltage sources V1 and V2. Both voltage polarity is defined in the figure, we just concentrate their absolute values in analysis and calculation. Assume that the condition V1 > V2, the inductor L is ideal component. During quadrant I operation, S1 and D2 work, and S2 and D1 are idle. Vice versa, during quadrant II operation, S2 and D1 work, and S1 and D2 are idle. The relation between the two voltage sources can be calculated by the formula, ⎧ kV1 V2 = ⎨ ⎩(1 − k )V1 QIII _ operation QIV _ operation where k is the conduction duty cycle k = ton/T.
Advanced DC/DC Converters by Fang Lin Luo, Hong Ye