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DC-eliminating current controller for grid-connected DC/AC converters
DC-eliminating current controller for grid-connected DC/AC converters
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机译:用于并网DC / AC转换器的直流消除电流控制器
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摘要
Systems, methods, and devices which eliminate the DC current from the output of grid-connected inverters. A current controller is provided which interfaces with a grid-connected DC/AC inverter. The current controller uses a nonlinear adaptive filter which receives, as input, the output current of the inverter along with grid current frequency. The nonlinear adaptive filter estimates the DC value of the grid current and, in conjunction with an integrator, removes this DC current component. This is done by adjusting the duty cycle of the grid-connected inverter.
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