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公开(公告)号：EP2290798A1
公开(公告)日：2011-03-02
申请号：EP10173638.7
申请日：2010-08-23
CPC分类号： H02M1/34 , H02M7/4826 , H02M2007/4811
摘要： A resonant power conversion apparatus includes a transformer T1 having a primary winding n1, a secondary winding n2, a tertiary winding n3, and a reset winding nR, a series circuit of switches S1 and S2, a capacitor Cr1 and diode D1 to the switch S1, a capacitor Cr2 and diode D2 to the switch S2, a series circuit of the winding n1 and a diode Dn1, a series circuit of the winding nR and a diode DR, a reactor Lr connected between a connection point of the switches S1 and S2 and a connection point of the windings n2 and n3, a switch S10 connected between the DC power source and the winding n2, a switch S20 connected between the DC power source and the winding n3, and a controller 10 configured to perform a zero-voltage switching operation of the switches S1 and S2.
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公开(公告)号：EP2388901A3
公开(公告)日：2017-05-03
申请号：EP11164438.1
申请日：2011-05-02
CPC分类号： H02M3/155 , H02M3/1584
摘要： The present invention includes: a main switch Tr1 connected to two ends of a DC power supply Vi via a first primary winding 1a and a second primary winding 1b, connected to the first primary winding in series, of a transformer T1; a series circuit connected to the two ends of the main switch, and including a reactor L1, a diode D1, a smoothing capacitor Co and a hoist winding 1c connected to the second primary winding in series; a series circuit connected to the two ends of the main switch, and including a diode D2, a diode D3 and the smoothing capacitor; a control circuit 10 to turn on and off the main switch; a soft-switching circuit Da1,Tral,Lal,Cal to cause the main switch to perform a soft-switching operation each time the main switch turns on; and a switching control circuit 20 to switch the soft-switching circuit between operating and non-operating modes in accordance with the state of a load.
摘要翻译： 本发明包括：主开关Tr1，通过变压器T1的第一初级绕组1a和第二初级绕组1b连接到直流电源Vi的两端;第二初级绕组1b与变压器T1串联连接到第一初级绕组; 与主开关两端相连的串联电路，包括电抗器L1，二极管D1，平滑电容器Co和与第二初级绕组串联的升降绕组1c; 与主开关两端连接的串联电路，包括二极管D2，二极管D3和平滑电容; 控制电路10，用于打开和关闭主开关; 软开关电路Da1，Tral，Lal，Cal，以在每次主开关导通时使主开关执行软开关操作; 以及开关控制电路20，用于根据负载的状态在操作模式和非操作模式之间切换软开关电路。
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公开(公告)号：EP2290798B1
公开(公告)日：2013-10-09
申请号：EP10173638.7
申请日：2010-08-23
CPC分类号： H02M1/34 , H02M7/4826 , H02M2007/4811
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公开(公告)号：EP2388901A2
公开(公告)日：2011-11-23
申请号：EP11164438.1
申请日：2011-05-02
CPC分类号： H02M3/155 , H02M3/1584
摘要： The present invention includes: a main switch Tr1 connected to two ends of a DC power supply Vi via a first primary winding 1a and a second primary winding 1b, connected to the first primary winding in series, of a transformer T1; a series circuit connected to the two ends of the main switch, and including a reactor L1, a diode D1, a smoothing capacitor Co and a hoist winding 1c connected to the second primary winding in series; a series circuit connected to the two ends of the main switch, and including a diode D2, a diode D3 and the smoothing capacitor; a control circuit 10 to turn on and off the main switch; a soft-switching circuit Da1,Tral,Lal,Cal to cause the main switch to perform a soft-switching operation each time the main switch turns on; and a switching control circuit 20 to switch the soft-switching circuit between operating and non-operating modes in accordance with the state of a load.
摘要翻译： 本发明包括：通过变压器T1的经由连接到串联的第一初级绕组的第一初级绕组1a和第二初级绕组1b连接到直流电源Vi的两端的主开关Tr1; 连接到主开关两端的串联电路，并且包括串联连接到第二初级绕组的电抗器L1，二极管D1，平滑电容器Co和升降绕组1c; 连接到主开关的两端的串联电路，并且包括二极管D2，二极管D3和平滑电容器; 用于打开和关闭主开关的控制电路10; 软开关电路Da1，Tral，Lal，Cal，以使主开关在每次主开关导通时进行软开关操作; 以及切换控制电路20，用于根据负载的状态在动作模式和非操作模式之间切换软切换电路。
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