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1. 发明授权

US06310787B2 Multiway power converter 有权
标题翻译：多路电源转换器
公开(公告)号：US06310787B2
公开(公告)日：2001-10-30
申请号：US09820469
申请日：2001-03-29
申请人： Youichi Ito , Sinji Sato , Yasuhiro Nakajima , Toshihiko Watanabe
发明人： Youichi Ito , Sinji Sato , Yasuhiro Nakajima , Toshihiko Watanabe
IPC分类号： H02J300
CPC分类号： H02M5/4585
摘要： A switching power converter capable of operation in either Nonconversion, Stepdown, or Stepup Mode. Included is a parallel circuit of three serial connections of a first, a second and a third pair of switches. The junction between the first pair of switches is connected to an a.c. input terminal via an inductor, the junction between the second switch pair grounded, and the junction between the third switch pair connected to an a.c. output terminal via another inductor. The first and third switch pairs are driven at the frequency (e.g. 50 Hz) of an a.c. input voltage, and the second switch pair at a higher frequency (e.g. 20 kHz), in Nonconversion Mode; the first switch pair at the low frequency, and the second and third switch pairs at the high frequency, in Stepdown Mode; and the first and second switch pairs at the high frequency, and the third switch pair at low frequency, in Stepup Mode. The second switch pair is invariably driven at the high frequency.
摘要翻译：一种能够在非转换，降压或升压模式下工作的开关电源转换器。包括第一，第二和第三对开关的三个串行连接的并联电路。第一对开关之间的连接点连接到一个交流电输入端子通过电感器，第二开关对之间的接点接地，并且第三开关对之间的连接处连接到直流电。输出端子通过另一个电感。第一和第三开关对以a.c.的频率（例如50Hz）驱动。输入电压和第二开关对在非转换模式下处于较高频率（例如20kHz）; 在低频下的第一开关对，在降频模式下的高频的第二和第三开关对; 高频时的第一和第二开关对以及低频的第三开关对，处于升压模式。第二个开关对总是以高频驱动。

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