Three-phase LCL type grid-connected inverter control system and method based on pole assignment
A pole configuration and control system technology, applied in the direction of irreversible DC power input conversion to AC power output, single grid parallel feeding arrangement, output power conversion device, etc. , the controller design is complicated, etc.
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[0084] Hereinafter, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings; it should be understood that the preferred embodiments are only for illustrating the present invention, not for limiting the protection scope of the present invention.
[0085] figure 1 It is a structure diagram of a three-phase LCL type grid-connected inverter control system based on pole configuration provided by an embodiment of the present invention, as shown in the figure: the present invention provides a three-phase LCL type grid-connected inverter control system based on pole configuration, Including DC input source, DC side voltage detection module, inverter, inverter side current detection module, LCL filter, filter capacitor voltage detection module, grid side current detection module, grid connection point voltage detection module, power outer loop controller , Grid-connected reference current synthesis module, current loop con...
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