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基于单输入空间矢量的单相变换器纹波抑制控制系统

Single-Input Space Vector Based Control System for Ripple Mitigation on Single-Phase Converters

语言:

中文摘要

在可再生能源、电动汽车及UPS等单相交流/直流转换应用中,直流侧存在的二倍频纹波会降低系统性能及电能质量。传统方案依赖大容量电解电容,本文提出一种基于单输入空间矢量控制的纹波抑制方案,旨在提升变换器性能并优化直流侧滤波需求。

English Abstract

Applications such as renewable energy generation, electric vehicles, and low-power UPS require single-phase ac/dc conversion. However, this conversion introduces a considerable amount of second-harmonic ripple on the dc link. If not filtered, this distortion hinders the converter's performance as well as the energy quality on both the ac and dc side. To mitigate this problem, a large electrolytic ...
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SunView 深度解读

该技术对阳光电源的户用光伏逆变器及电动汽车充电桩产品线具有重要参考价值。单相系统中的二倍频纹波抑制是提升直流侧电容寿命、减小体积及降低成本的关键。通过引入先进的空间矢量控制算法,可以在不增加硬件成本的前提下,优化直流侧滤波设计,从而提升户用逆变器的功率密度与可靠性。建议研发团队评估该算法在现有单相组串式逆变器及充电桩控制平台上的移植可行性,以进一步提升产品在紧凑型设计中的竞争力。