Fang Lin Luo, Hong Ye's Advanced DC/DC Converters PDF

By Fang Lin Luo, Hong Ye

ISBN-10: 0849319560

ISBN-13: 9780849319563

DC/DC conversion concepts have passed through fast improvement in fresh a long time. With the pioneering paintings of authors Fang Lin Luo and Hong Ye, DC/DC converters have now been taken care of into their six generations, and via a coarse count number, over 500 diverse topologies at present exist, with extra being constructed each one year.

Advanced DC/DC Converters deals a concise, useful presentation of DC/DC converters, summarizing the spectrum of conversion applied sciences and providing many new principles and greater than a hundred new topologies. The therapy starts with historical past fabric on DC/DC conversion and discussions on voltage elevate and super-lift converters. It then proceeds via every one new release, together with the groundbreaking 6th generation--converters constructed via the authors that may be cascaded for prime voltage move achieve.

More than 320 figures, 60 tables, and 500 formulae let you extra simply clutch the final constitution of complex DC/DC converters, offer quickly entry to express information, and assist you quick ensure the values of your personal circuit elements. Nowhere else within the literature are DC/DC converters so logically taken care of and systematically brought. Nowhere else are you able to locate specific info on prototype topologies that characterize a big contribution to fashionable strength engineering.

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Sample text

4a and b. All voltage polarity is defined in the figure. 4 The third-quadrant chopper. where ton is the switch-on time, and k is the conduction duty cycle k = ton/T. 5a and b. All voltage polarity is defined in the figure. 4) where toff is the switch-off time toff = T – ton, time, and k is the conduction duty cycle k = ton/T. 5 The fourth-quadrant chopper. 6. Dual quadrant operation is usually requested in the system with two voltage sources V1 and V2. Assume that the condition V1 > V2, and the inductor L is an ideal component.

It can also be derived from the buck-boost converter. 36. 19). 4 Cúk-Converter The Cúk-converter is derived from boost converter. 37. 19). 5 Single-Ended Primary Inductance Converter The single-ended primary inductance converter (SEPIC) is derived from the boost converter. 38. 19). 36 Double output Luo-converter. 37 Cúk-converter. 38 SEPIC. 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.

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. 8 The four-quadrant chopper. 8. The input voltage is positive, output voltage can be either positive or negative. 1. 7) Pump Circuits The electronic pump is a major component of all DC/DC converters. 1 Fundamental Pumps Fundamental pumps are developed from fundamental DC/DC converters just like their name: • Buck pump • Boost pump • Buck-boost pump All fundamental pumps consist of three components: a switch S, a diode D, and an inductor L.

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Advanced DC/DC Converters by Fang Lin Luo, Hong Ye


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