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高速铁路牵引供电系统数字建模及仿真

于 2020-12-04 发布
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下载积分: 1 下载次数: 18

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利用所建模型,仿真分析了机车在不同功率、不同电压下的谐波特性。得知机车谐波电流分布趋势不随功率变化,但机车功率越低谐波水平越高,且同样功率情况下再生制动工况的谐波水平略高于牵引工况;机车谐波电流随机车电压显著变化,但分布趋势大致一样,两倍开关频率附近的谐波及高次谐波随电压增加而增加,低次谐波变化趋势不确定。

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