Abstract
This paper proposed a new control system design scheme for three-phase inverter parallel. The scheme combined the distribute logic control method and the droop control method, which has been got from the talk about the traditional three-phase inverter parallel methods. The control system is based on TMS320F2812 DSP, and the interface implementation method is presented. As the data exchange method between the inverters, the communication protocol for this system based on CANopen protocol has been given and the parameters for communication map and object dictionary is also given. The method proposed in this paper has been used in the lab, and the successful use has proved that this method can meet the requirements for the processing speed, communication speed, and flexibility of three-phase inverter parallel control system.
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