reactive to专利名称：UNFOLDING BRIDGE, INVERTER HAVING
REACTIVE-POWER CAPABILITY, AND
POLARITY REVERSING METHOD
发明人：Jens Friebe,Peter Lahnor,Oliver Prior
申请号：US15884653
申请日：20180131
公开号：US20180152118A1
公开日：
20180531
专利内容由知识产权出版社提供
专利附图：
摘要：An unfolding bridge includes a half-bridge with a first input terminal, a second input terminal, and an output terminal, wherein the half-bridge includes a first bridge
switch connected between the first input terminal and the output terminal and a second bridge switch connected between the second input terminal and the output terminal. The unfolding bridge also includes a further half-bridge which includes a first further bridge switch connected between the first input terminal and a further output terminal and a second further bridge switch connected between the second input terminal and the further output terminal. A switch controller for operation of the bridge switches is designed such that a connection of the output terminals with the input terminals via the bridge switches is reversed at a zero crossing of an alternating current flowing at the output terminals. In a current path between the input terminals via the first bridge switch, the output terminals, and the second further bridge switch, and in a current path between the input terminals, via the first further bridge switch (S5), the output terminals, and the second bridge switch, at least one reverse voltage compensator is arranged. The reverse voltage compensator is configured to shift the electrical potential of the respective input terminal with respect to the respective output terminal, between which the reverse voltage compensator is arranged, by a compensation voltage dropped across the reverse
voltage compensator, and thereby compensates for a reverse voltage that is oriented against the flow of current in the current path in which the reverse voltage compensator is arranged.
申请人：SMA Solar Technology AG
地址：Niestetal DE
国籍：DE
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