| 摘要 |
The power converter supplies a load (22) from a supply voltage source (20). It includes power switches (55, 56, 57, 58) controlled by a control device (37, 40, 43) in such a way that two switches connected to opposite terminals of the supply voltage source and to two different output conductors (23, 24) are simultaneously conducting at moments such that the current supplying the load has at each instant a requisite polarity independent of the polarity of the supply voltage source. <IMAGE>
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