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DUAL ACTIVE BRIDGE DC-DC CONVERTER WITH EXTENDED OPERATION RANGE
DUAL ACTIVE BRIDGE DC-DC CONVERTER WITH EXTENDED OPERATION RANGE
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机译:具有扩展工作范围的双路有源桥DC-DC转换器
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摘要
The present disclosure relates to a dual active bridge DC-DC converter comprising a low voltage port; a high voltage port; a set of n transformers, each transformer comprising a primary and a secondary winding magnetically coupled to each other; a single active high voltage bridge circuit connected between the high voltage port and the set of n transformers, wherein the n transformers are arranged to operate in series; n low voltage active bridge circuits connected in parallel between the set of n transformers and the low voltage port, wherein the n transformers are arranged to operate in parallel; a control unit configured to control: a first phase-shift angle between one of the n low voltage active bridge circuits and the single active high voltage bridge circuit; and a second phase-shift angle between the n low voltage active bridge circuits, thereby extending an operation range of the dual active bridge DC-DC converter; wherein n is a positive integer number larger than or equal to 2.
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机译:本发明涉及一种双有源桥式DC-DC转换器,其包括低压端口。高压端口;一组 n I>个变压器,每个变压器都包括彼此磁耦合的初级绕组和次级绕组。连接在高压端口和这组 n I>个变压器之间的单个有源高压电桥电路,其中 n I>个变压器布置为串联工作;在一组 n I>个变压器和低压端口之间并联连接的 n I>个低压有源桥电路,其中 n I>个变压器布置为工作在平行下;控制单元,被配置为控制:在 n I>个低压有源电桥电路之一与单个有源高压电桥电路之间的第一相移角;在 n I>个低压有源桥电路之间具有第二相移角,从而扩展了双有源桥DC-DC转换器的工作范围;其中 n I>是一个大于或等于2的正整数。
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