By Luo, Fang Lin; Ye, Hong
DC/DC conversion concepts have passed through fast 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 by way of a coarse count number, over 800 varied topologies at present exist, with extra being built every year. Advanced DC/DC Converters, moment Edition deals a concise, useful presentation of DC/DC converters, summarizes the spectrum of conversion applied sciences, and provides new rules and greater than two hundred new topologies. starting with history fabric on DC/DC conversion, the ebook later discusses either voltage elevate and super-lift converters. It then proceeds via every one new release, together with the groundbreaking 6th generation―converters constructed through the authors that may be cascaded for prime voltage move gain.
This re-creation updates each bankruptcy and gives 3 new chapters. The creation of the super-lift strategy is an exceptional success in DC/DC conversion know-how, and the ultra-lift process and hybrid split-capacitor/inductor utilized in Super-Lift Luo-Converters are brought in Chapters 7 and eight. In bankruptcy nine, the authors have theoretically outlined a brand new inspiration, strength issue (EF), researched the family among EF and the mathematical modelling for energy DC/DC converters, and verified the modeling strategy for 2 converters. greater than 320 figures, 60 tables, and 500 formulae permit the reader to extra simply grab the general constitution of complex DC/DC converters, supply speedy entry to express info, and support them to speedy make certain the values in their personal circuit parts.
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Extra resources for Advanced DC/DC converters
There are four types of soft-switching methods: 1. 2. 3. 4. Resonant-switch converters Load-resonant converters Resonant-DC-link converters High-frequency-link integral-half-cycle converters Until now attention has been paid only to the resonant-switch conversion method. This resonance method is available for working independently to load. There are three main categories: ZCS, ZVS, and ZT converters. Most topologies usually perform in single-quadrant operation in the literature. Actually, these converters can perform in two- and four-quadrant operation with high output power range (thousands of watts).
Since their power density is very high, they are widely applied in industrial applications. Some industrial applications require multiple-quadrant operation, so multiple-quadrant switched-capacitor Luo-converters have been developed. There are two-quadrant operation types and four-quadrant operation types discussed in detail. 3 Multiple-Lift Push-Pull Switched-Capacitor Converters VL technique is a popular method widely used in electronic circuit design. It has been successfully employed in DC/DC converter applications in recent years and has opened a way to design highvoltage-gain converters.
Consequently, the switch device power rates become lower and converter power efficiency is increased. However, ZCS-QRC and ZVS-QRC have large current and voltage stresses. Therefore, the device’s current and voltage peak rates usually are three to five times higher than the working current and voltage. It is not only costly but also ineffective. ZT technique overcomes this fault. It implements zero-voltage plus ZCS technique without significant current and voltage stresses. These circuits will be introduced in Chapter 14 in detail.