公开(公告)号：US3818313A

公开(公告)日：1974-06-18

申请号：US35322573

申请日：1973-04-23

申请人： PIONEER MAGNETICS INC

发明人： WILKINSON B ,  ROSENSTEIN A ,  STOLOWITZ M

IPC分类号： H02M7/538 ,  H02M7/52

CPC分类号： H02M7/53803

摘要： A power inverter circuit is provided which includes a transformer and a pair of switching transistors. The switching transistors connect the primary winding of the transformer to a direct-current source in an alternate manner, so that the polarity of the voltage applied to the winding is cyclically reversed in order to produce an alternating-current in the winding. In accordance with the invention, a saturable reactor is connected in circuit with the switching transistors to prevent each transistor from conducting a relatively large current before the voltage across such transistor drops to a minimum, so that switching losses in power inverter may be reduced.

摘要翻译： 提供了一种功率逆变器电路，其包括变压器和一对开关晶体管。 开关晶体管将变压器的初级绕组以交替的方式连接到直流电源，使得施加到绕组的电压的极性被循环地反转，以便在绕组中产生交流电。 根据本发明，可饱和电抗器与开关晶体管电路连接，以防止每个晶体管在该晶体管两端的电压下降到最小之前进行相对较大的电流，从而可以降低功率逆变器的开关损耗。