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Bi-directional direct-current-to-direct-current converter, grid-connected inverter system, and solar energy grid-connected inverter system
Bi-directional direct-current-to-direct-current converter, grid-connected inverter system, and solar energy grid-connected inverter system
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机译：双向直流-直流转换器，并网逆变器系统和太阳能并网逆变器系统
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摘要
A bi-directional direct current to direct current converter includes a first inductor, a first switch, a first capacitor, a middle voltage point, a second inductor, a second switch, a second capacitor, a third switch and a fourth switch. A direct current voltage supply unit provides the bi-directional direct current to direct current converter with an input direct current voltage. When the third switch is turned on, and the fourth switch is turned on, and the first switch is turned off, and the second switch is turned off, then the first inductor and the second inductor store energy. When the third switch is turned off, and the fourth switch is turned off, and the first switch is turned on, and the second switch is turned on, then the first inductor and the second inductor release energy to the first capacitor and the second capacitor.
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