By Fang Lin Luo, Hong Ye
DC/DC conversion suggestions have passed through fast improvement in contemporary 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 presently exist, with extra being constructed each one year.Advanced DC/DC Converters deals a concise, sensible 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 with heritage fabric on DC/DC conversion and discussions on voltage elevate and super-lift converters. It then proceeds via every one iteration, together with the groundbreaking 6th generation--converters built by way of the authors that may be cascaded for top voltage move achieve. greater than 320 figures, 60 tables, and 500 formulae let you extra simply take hold of the final constitution of complicated DC/DC converters, supply quick entry to express facts, and assist you speedy be sure the values of your individual 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 targeted details on prototype topologies that symbolize an immense contribution to fashionable strength engineering.
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Extra info for Advanced DC/DC Converters
It can be derived from quadrant II chopper. 24. 21 Negative push-pull pump. 22 Double/enhanced circuit (DEC). where T is the repeating period T = 1/f, f is the chopping frequency, ton is the switch-on time, k is the conduction duty cycle k = ton/T. 23 Buck converter. 3 Buck-Boost Converter The buck-boost converter is a step down/up DC/DC converter. It works in third-quadrant operation. 25. 10) 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.
16) where N is the transformer turn ratio, and k is the conduction duty cycle k = ton/T. 31 Bridge converter. L1 . 32 Zeta converter. 6 ZETA Converter The ZETA converter is a transformer type converter with a low-pass filter. Its output voltage ripple is small. 32. 17) where N is the transformer turn ratio, and k is the conduction duty cycle k = ton/T. 7 Forward Converter with Tertiary Winding and Multiple Outputs Some industrial applications require multiple outputs. This requirement is easily realized by constructing multiple secondary windings and the corresponding conversion circuit.
The author designed three types of converters that derived from fundamental DC/DC converters plus a low-pass filter. This conversion technique was very popular between 1970 and 1990. Typical prototype converters are positive output (P/O) Luo-converter, negative output (N/O) Luo-converter, double output (D/O) Luoconverter, Cúk-converter, SEPIC (single-ended primary inductance converter) and Watkins–Johnson converters. The output voltage ripple of all developed-type converters is usually small and can be lower than 2%.
Advanced DC/DC Converters by Fang Lin Luo, Hong Ye