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    Analysis and Suppression of Harmonic Deteriorations Related to a Few-Submodule and Low-Switching-Frequency MMC-Based UPFC by Zhijun Chen, Jun Wang, Ke Zhang, Chao Yu, Yuting Zou, Yunlong Zhao, Mengjie Zhang, Chuyang Wang

    Published 2024-01-01
    “…Analyzing and suppressing the capacitor voltage ripple at low switching frequencies can maintain capacitor voltage stability while significantly reducing the switching frequency. To address the issue of increased harmonics due to low switching frequency and few sub-modules, this paper combines the FR design method with an active LLCL filter method. …”
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