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1. 发明申请

US20140009972A1 Control method for bidirectional DC-DC converters 有权
标题翻译：双向DC-DC转换器的控制方法
公开(公告)号：US20140009972A1
公开(公告)日：2014-01-09
申请号：US13590247
申请日：2012-08-21
申请人： Wen-Jung CHIANG , Jen-Chieh CHANG , Hung-Tien CHEN , Yu-Ting KUO
发明人： Wen-Jung CHIANG , Jen-Chieh CHANG , Hung-Tien CHEN , Yu-Ting KUO
IPC分类号： H02M3/335
CPC分类号： H02M3/33584 , H02M3/337 , H02M2001/0058 , Y02B70/1491
摘要： A control method for bidirectional DC-DC converter includes: operating a bidirectional DC-DC converter in a boost mode, the bidirectional DC-DC converter including a low voltage side and a high voltage side, the low voltage side including low-voltage-side switches, a voltage clamping switch and a voltage clamping capacitor and the high voltage side including high-voltage-side switches; switching the voltage clamping switch with a predetermined duty cycle prior to switching on all of the low-voltage-side switches; adjusting the duty cycle of the voltage clamping switch being smaller than a turn-off interval of the low-voltage-side switches to reduce the conduction loss of the low-voltage-side switches and the voltage clamping switch; alternatively, operating the DC-DC converter in a buck mode; adjusting and extending the duty cycle of the low-voltage-side switches to overlap a turn-off time of the high-voltage-side switches so as to reduce the conduction loss of the low-voltage-side switches.
摘要翻译：一种用于双向DC-DC转换器的控制方法，包括：以升压模式操作双向DC-DC转换器，所述双向DC-DC转换器包括低压侧和高压侧，所述低压侧包括低压侧开关，钳位开关和钳位电容器，高压侧包括高压侧开关; 在开启所有低压侧开关之前，以预定的占空比切换电压钳位开关; 调节钳位开关的占空比小于低压侧开关的截止间隔，以降低低压侧开关和钳位开关的导通损耗; 或者，以降压模式操作DC-DC转换器; 调整和延长低压侧开关的占空比以与高压侧开关的关断时间重叠，以便降低低压侧开关的导通损耗。

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