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提出了大功率单相升压斩波器功率因数校正主电路应用中存在的实际问题，并分析比较了6种改进型大功率单相功率因数校正主电路方案，其中包括新型带中心抽头三点式电感升压新波器功率因数校正主电路。
The practical problems in the application of power factor correction main circuit of high-power single-phase step-up chopper are presented. Six kinds of improved main circuit schemes of high power single-phase power factor correction are analyzed and compared, including the new three-point center-tapped inductor Boost new filter power factor correction main circuit.