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来源：百度知道 编辑：UC知道 时间：2024/07/06 17:58:27
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The novel ZVZCS-FB-PWM converter is presented and the operation, features, and characteristics are illustrated. Experimental result from the 2.5KW,100kHz IGBT based prototype is shown to verify the operation principle.
It is shown that the clamping of rectifier diodes as well as the ZVZCS of the primary switches are achieved by adding a simple auxiliary circuit in the secondary. The auxiliary circuit is consist of a small capacitor and two small diodes those ratings are about 30% of main diodes. Neither lossy components involved nor additional active switches are involved to get ZVZCS and the secondary rectifier clamp circuit is eliminated. In addition, Distinctive advantages of the new circuit including ZVZCS with wide load range(IGBTs can be used), small duty cycle loss, low device voltage and current stresses, and low cost make the proposed converter very promising for high power (>5KW) applications with high power density.
The novel ZVZCS-FB-PWM converter is presented and the operation, features, and characteristics are illustrated. Experimental result from the 2.5KW,100kHz IGBT based prototype is shown to verify the operation principle.
It is shown that the clamping of rectifier diodes as well as the ZVZCS of the primary switches are achieved by adding a simple auxiliary circuit in the secondary. The auxiliary circuit is consist of a small capacitor and two small diodes those ratings are about 30% of main diodes. Neither lossy components involved nor additional active switches are involved to get ZVZCS and the secondary rectifier clamp circuit is eliminated. In addition, Distinctive advantages of the new circuit including ZVZCS with wide load range(IGBTs can be used), small duty cycle loss, low device voltage and current stresses, and low cost make the proposed converter very promising for high power (>5KW) applications with high power density.
新颖的ZVZCS-财预变换器介绍和操作,特点和特征说明. 实验结果由预置的原型30/30千赫的IGBT列核实的工作原理. 结果表明夹紧整流二极管以及开关的ZVZCS的首要目标 加入一个简单的辅助电路中. 辅助电路组成一个小型的电容器和两个小型二极管收视约有30%二极管. 既不耗开关元件积极参与,也都获得额外的ZVZCS钳、二级整流电路 淘汰. 此外,新的独特优点包括电路的ZVZCS宽负荷范围(IGBT的可用) 占空比损失小、低电压、电流器件讲 低成本使转炉建议很有大功率(>5kW聚焦)高功率密度应用.