零电压开关技术用于双电压汽车系统的可逆dc - dc变换器

2008 11th International Conference on Optimization of Electrical and Electronic Equipment Pub Date : 2008-05-22 DOI:10.1109/OPTIM.2008.4602417

P. Scortaru, D. Nicolae, M. Cernat, Z. Puklus

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引用次数: 10

摘要

提出了一种用于汽车双电压系统的ZVS交错双向dc-dc变换器的新型滞回控制器。提出了一种变频扩展带迟滞电流控制方法。与传统的定频电流控制PWM相比，ZVS工作所需的反极性峰值电流保持恒定。电感电流纹波随负载减小而减小。在降压和升压模式之间的操作自动变化无需瞬态电流即可完成。利用Matlab/Simulink平台对变换器进行仿真。

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Reversible DC-to-DC converter for a dual voltage automotive system using zero voltage switching technique

A novel hysteretic controller for a bi-directional dc-dc converter with ZVS and interleaving for dual voltage systems in automobiles is presented. A variable frequency extended band hysteretic current control method is proposed. In comparison with classical fixed frequency current control PWM, the reverse polarity peak current needed for ZVS operation is kept constant. Inductor current ripple decreases with load reduction. Automatic changes in operation between buck and boost modes are accomplished without transient currents. Converter simulations are carried out using Matlab/Simulink platform.

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2008 11th International Conference on Optimization of Electrical and Electronic Equipment

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