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Bi-directional dc to dc converter for energy storage applications
Bi-directional dc to dc converter for energy storage applications
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机译:双向直流到直流转换器,用于储能应用
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摘要
A bi-directional energy storage module and method of operation is disclosed. The converter includes an inductive component, an energy storage element, two diodes and two switches. One switch is positioned in a first sub-circuit between an input voltage source and the inductive component and the other switch is positioned in a second sub-circuit between the inductive component and the energy storage element. The inductive component can be an inductor or a transformer. The energy storage element can be a battery or a capacitor. A hysteretic control structure can be used to activate and control the charging and discharging modes of operation. Voltage across the energy storage element and current through the inductive component are monitored. The switches are controlled to keep the monitored parameters within established bounds. Inrush current problems are eliminated and simple gate drive mechanisms are facilitated. The invention can be used in battery charging and discharging applications. The invention can also be used in an energy storage module of a system providing an uninterrupted power supply.
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