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1. 发明申请

US20060092676A1 Push-pull inverter with snubber energy recovery 有权
标题翻译：具有缓冲能量回收的推挽逆变器
公开(公告)号：US20060092676A1
公开(公告)日：2006-05-04
申请号：US10980006
申请日：2004-11-03
申请人： Julius Liptak , Mark Kocher , John MacKenzie
发明人： Julius Liptak , Mark Kocher , John MacKenzie
IPC分类号： H02H7/122
CPC分类号： H02M3/337
摘要： An exemplary power inverter comprises a push-pull inverter circuit that includes a transformer having a primary winding coupled to a DC bus and a secondary winding coupled to an AC bus, main power switches coupling each end of the primary winding to a DC return, and one or more supplemental power switches coupling at least one end of the primary winding to a snubber bus. The supplemental switch at a given end of the primary winding forms a buck-mode converter in combination with the primary winding and the associated free-wheeling diode at that end of the primary winding, and can be controlled by a switching controller to effect energy transfer between the snubber bus and DC bus. The switching controller can be configured to control power flow between the DC, AC, and snubber buses by controlling the common-mode and differential-mode voltages of the primary winding via main/supplemental power switch control.
摘要翻译：示例性的功率逆变器包括推挽逆变器电路，其包括具有耦合到DC总线的初级绕组和耦合到AC总线的次级绕组的变压器，将初级绕组的每一端耦合到DC回路的主电源开关，以及一个或多个辅助功率开关将初级绕组的至少一端耦合到缓冲母线。初级绕组给定端的辅助开关与初级绕组和初级绕组末端的相关续流二极管组合形成降压模式转换器，并且可由开关控制器控制以实现能量传递缓冲巴士和直流母线之间。开关控制器可以配置为通过主/辅助电源开关控制来控制初级绕组的共模和差模电压来控制直流，交流和缓冲母线之间的功率流。

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