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DYNAMIC MAXIMUM EFFICIENCY TRACKER FOR PV MICRO-INVERTER
DYNAMIC MAXIMUM EFFICIENCY TRACKER FOR PV MICRO-INVERTER
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机译:光伏微逆变器的动态最大效率跟踪器
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摘要
Systems, methods, and devices relating to the control of power conditioning systems. For a micro-inverter, a controller block controls the DC/DC converter while a separate controller block controls the DC/AC inverter. A dynamic maximum efficiency tracker (DMET) control block receives state variable outputs from the converter and the inverter. The control block then perturbs specific control input parameters for the converter and the inverter and determines the effect of the perturbation on the converter and inverter efficiencies and on micro-inverter efficiency as a whole. If the efficiency decreases, then the direction of the perturbation is reversed. Other system control tasks, such as maximum power point tracking and DC-bus voltage regulation can be performed concurrently by adjusting other control input parameters.
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