current-frequency converters
current-frequency converters
输转换器
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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At present power converters of DC driving system make power supply outputs a high-frequency pulsating current, which is from zero to the armature current. This large ripple damages batteries.
目前国内外电动车直流驱动功率变换器使储能电源输出电流从零到电机电枢电流高频脉动，不利于延长动力电池的使用寿命。
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