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关注：1
2013-05-23 12:21
求翻译：作为一个升压PFC变换器的输出电压始终是积极和占空比是0-1之间的限制，平均开关电压必须始终是积极的。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
作为一个升压PFC变换器的输出电压始终是积极和占空比是0-1之间的限制，平均开关电压必须始终是积极的。
问题补充： |
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2013-05-23 12:21:38
As a boost pfc converter output voltage is always positive and the duty cycle is between 0-1 of the restrictions, the average switching voltage must always be positive.
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2013-05-23 12:23:18
As a step-up transformers PFC the output voltage is always positive and duty cycle is between 0-1, the average voltage must always be positive.
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2013-05-23 12:24:58
As a pressure-rise PFC converter output voltage is throughout positive and the dutyfactor is 0-1 between limit, the average switch voltage must be positive throughout.
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2013-05-23 12:26:38
As an output voltage boost PFC converters is always positive and the duty cycle is the limit between 0-1, average switching voltage must always be positive.
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2013-05-23 12:28:18
正在翻译，请等待...
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