Advanced DC/DC converters by Luo, Fang Lin; Ye, Hong

By Luo, Fang Lin; Ye, Hong

DC/DC conversion innovations have passed through speedy improvement in fresh 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 means of a coarse count number, over 800 various topologies presently exist, with extra being built every year. Advanced DC/DC Converters, moment Edition bargains a concise, functional presentation of DC/DC converters, summarizes the spectrum of conversion applied sciences, and offers new rules and greater than 2 hundred new topologies. starting with historical past fabric on DC/DC conversion, the booklet later discusses either voltage carry and super-lift converters. It then proceeds via every one new release, together with the groundbreaking 6th generation―converters built through the authors that may be cascaded for top voltage move gain.

This re-creation updates each bankruptcy and gives 3 new chapters. The advent of the super-lift process is an exceptional fulfillment in DC/DC conversion expertise, and the ultra-lift method 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 proposal, power issue (EF), researched the kin among EF and the mathematical modelling for energy DC/DC converters, and proven the modeling process for 2 converters. greater than 320 figures, 60 tables, and 500 formulae enable the reader to extra simply clutch the general constitution of complicated DC/DC converters, offer speedy entry to express facts, and support them to fast confirm the values in their personal circuit parts.

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Most of the engineers enjoy the half-wave state. This technique has half-wave current resonance waveform with two zero-cross points. 2 ZVS-QRCs ZVS-QRC equips resonant circuit in the switch side to keep the switch-on and switch-off at zerovoltage condition. There are two states: full-wave state and half-wave state. Most of the engineers enjoy the half-wave state. This technique has half-wave voltage resonance waveform with two zero-cross points. 3 ZT Converters Using ZCS-QRC and ZVS-QRC largely reduces the power losses across the switches.

The switched inductor has the outstanding advantage that only one inductor is required for one switched-inductor converter no matter how large the difference between input and output voltages is. This characteristic is very important for large power conversion. At the present time, large power conversion equipment is close to using switched-inductor converters. For example, the MIT DC/DC converter designed by Prof. John G. Kassakian for his new system in the 2005 automobiles is a two-quadrant switchedinductor DC/DC converter.

The output terminal voltage and current are usually negative. 12. Switch S and diode D are alternatively on and off. Usually, the Cúk pump works in continuous operation mode; inductor current is continuous in this case. The output terminal voltage and current are usually negative. 10 Positive Luo-pump. 11 Negative Luo-pump. 12 Cúk pump. 3 Transformer-Type Pumps Transformer-type pumps are developed from corresponding transformer-type DC/DC converters: Forward pump Flyback pump ZETA pump All transformer-type pumps consist of a switch S, a transformer with the turns ratio N, and other components such as diode D (one or more) and capacitor C.

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