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首页> 外文期刊>EPE Journal: European Power Electronics and Drives >Partial series resonant coupled-inductor boost converter for high step-up DC-DC applications
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Partial series resonant coupled-inductor boost converter for high step-up DC-DC applications

机译：用于高升压DC-DC应用的部分系列谐振耦合电感器升压转换器

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摘要

A coupled-inductor boost (CIB) converter is a popular solution for non-isolated high step-up applications since a high voltage gain can be easily achieved by adjusting the turn ratio of the coupled-inductor (CI). On the other hand, at the cost of utilizing a CI, a CIB converter requires voltage snubbers. In order to relieve the drawbacks caused by a CI and to further improve the efficiency, the pulse-width modulation (PWM) partial series resonant (PSR) CIB converter is proposed. In the PSR CIB converter, the resonant operation is achieved with only a small modification to the conventional CIB converter without additional components. This resonant operation significantly reduces the turn-off loss of the switch and the reverse recovery of the high voltage diode. Moreover, it does not cause a large circulating current so that a conduction loss can still maintain similar to that of the conventional CIB converter. Experimental testing of a 24-V input, 110-W 220-V output prototype verifies the behavior and performance of the proposed circuit.
机译：耦合电感器升压（CIB）转换器是用于非隔离的高升压应用的流行解决方案，因为通过调节耦合电感器（CI）的匝数比可以容易地实现高电压增益。另一方面，在利用CI的成本，CIB转换器需要电压缓冲器。为了缓解由CI引起的缺点并进一步提高效率，提出了脉冲宽度调制（PWM）部分串联谐振（PSR）CIB转换器。在PSR CIB转换器中，通过对传统CIB转换器的小修改实现谐振操作而无需额外的组件。该谐振操作显着降低了开关的关断损耗和高压二极管的反向恢复。此外，它不会引起大的循环电流，使得传导损耗仍然可以与传统的CIB转换器的相似。 24 V输入的实验测试，110-W 220 V输出原型验证了所提出的电路的行为和性能。

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