Cascading bidirectional DC-DC converter
A DC-DC and converter technology, applied in the field of cascaded bidirectional DC-DC converters, can solve problems such as restricting applications
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[0022] figure 1 Is the structural block diagram of the cascaded bidirectional DC-DC converter, composed of figure 1 It can be seen that the cascaded bidirectional DC-DC converter is formed by interconnecting a non-isolated bidirectional DC-DC converter and a high-frequency DC transformer. That is, the non-isolated bidirectional converter is cascaded with the high-frequency DC transformer, or conversely, the high-frequency DC transformer is cascaded with the non-isolated bidirectional converter.
[0023] Non-isolated bidirectional DC-DC converters can be figure 2 The bidirectional boost converter shown in figure (c), the bidirectional buck converter circuit shown in figure (d), and the bidirectional buck-boost converter circuit shown in figure (e) are bidirectional conversion topologies.
[0024] The composition of high frequency DC transformer is as follows: image 3 As shown, the high-frequency inverter / rectifier circuit is connected to the primary side of the high-freque...
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