Developing grid-connected micro-inverter with wireless communication system for solar farm
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This report presents a single phase grid-connected microinverter with wireless communication for photovoltaic power generation systems. The proposed microinverter topology is based on a flyback converter and an active clamp circuit for reducing effects of output signal spikes with Zigbee wireless communication. The research includes modeling and designing the controller for the inverter. And an interleaved flyback module-integrated converter (IFMIC) prototype is developed. The experimental results of the microinverter model show responses during load changing. The controller can track the reference signal within 0.005 seconds. In addition, the parameters of the microinverter are able to be transmitted to the data center longer than 1 km. The proposed technique could help the system operator to efficiently detect and monitor the solar power generation.
- งานวิจัย (Research)