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The coupled-inductor single-stage boost inverter (CI-SSBI) has been proposed and applied to photovoltaic (PV) power system. As previously presented, the CI-SSBI has the feature of stepping up input voltage to a higher voltage level by properly designing the turns ratio of coupled inductor and regulating the shoot-through duty cycle. The CI-SSBI based grid-connected PV system integrates some characteristics...
The coupled-inductor single-stage boost inverter (CI-SSBI) has been proposed and applied to photovoltaic (PV) power system. The CI-SSBI based grid-connected PV system integrates some characteristics together in one stage, including boost inversion, feeding current to the grid with high power factor, and maximum power point tracking (MPPT). Moreover, system reliability can be improved by using the...
Photovoltaic power generation systems are vulnerable to weather, resulting in a decline in power generation efficiency. Therefore, it is necessary to use maximum power point tracking technology. This paper proposes a novel variable step size maximum power point tracking algorithm through analysising the photovoltaic power generation model and comparing the commonly used algorithms, such as the constant-voltage...
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