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1. 发明申请

WO2018058607A1 SNUBBER CIRCUITS FOR POWER CONVERTERS 审中-公开
标题翻译：用于电源转换器的SNUBBER电路
公开(公告)号：WO2018058607A1
公开(公告)日：2018-04-05
申请号：PCT/CN2016/101270
申请日：2016-09-30
申请人： ASTEC INTERNATIONAL LIMITED
发明人： SHENG, Hua , YAO, Jun , ZENG, Fanzheng
IPC分类号： H02M1/00
CPC分类号： H02M1/34 , H02M1/00 , H02M3/156 , H02M3/158 , H02M2001/342 , H03K17/08142 , H03K17/0822 , Y02B70/1491
摘要： A power converter for converting an input power at an input of the converter to an output power at an output of the converter includes a power conversion circuit and a snubber circuit coupled to the power conversion circuit. The power conversion circuit includes a switching device coupled to a reference potential, and an inductance coupled to the switching device. The snubber circuit includes a snubber switching device, a capacitance coupled to the snubber switching device, and an auxiliary inductance coupled to the inductance of the power conversion circuit and the snubber switching device. The snubber switching device and the capacitance are coupled across the switching device of the power conversion circuit. The capacitance is adapted to store leakage energy output from the power conversion circuit and discharge at least a portion of the stored leakage energy via the snubber switching device. Other example power converters are also disclosed.
摘要翻译：用于将转换器的输入端处的输入功率转换成转换器的输出端处的输出功率的功率转换器包括功率转换电路和耦合到功率转换电路的缓冲电路。功率转换电路包括耦合到参考电位的开关装置和耦合到开关装置的电感。缓冲电路包括缓冲开关装置，耦合到缓冲开关装置的电容以及耦合到电力转换电路和缓冲开关装置的电感的辅助电感。缓冲开关装置和电容耦合在功率转换电路的开关装置两端。该电容适于存储从功率转换电路输出的泄漏能量，并经由缓冲开关装置释放至少一部分存储的泄漏能量。其他示例电源转换器也被披露。

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