公开(公告)号：EP1882298A2

公开(公告)日：2008-01-30

申请号：EP06722823.9

申请日：2006-04-22

申请人： SMA Technologie AG

发明人： VICTOR, Matthias ,  MÜLLER, Burkhard ,  FALK, Andreas

IPC分类号： H02M7/5383 ,  H02M3/338

CPC分类号： H02M7/003 ,  H02M3/158 ,  H02M3/337 ,  H02M7/53832 ,  H02M2001/007 ,  Y02B70/1425 ,  Y02B70/1433 ,  Y02B70/1441 ,  Y02E10/56 ,  Y02P80/112

摘要： The invention relates to a power inverter (1) with galvanic separation, which comprises a resonance converter (2) and an upstream step-up transformer (3). The aim of the invention is to enable the power inverter to galvanically separate in the event of a variable input and output voltage, as they are present in photovoltaic units, thus optimising the efficiency over the entire input voltage area. This is achieved by virtue of the fact that the resonance converter (2) is connected upstream from a step-up transformer (3) or step-down controller (4).