Development Of Monitoring Platform For PV Inverter Based On Embedded Webserver

Photovoltaic power generation technology has increasingly become one of the indispensable new energy due to its green, environmental protection. In the whole photovoltaic power generation system, PV inverter plays an important role. The urgently solved problem for photovoltaic industry developing is to have intelligence playability for ordinary people, and can remotely and real-time keep photovoltaic inverter in safe, controlled and efficient mode for photovoltaic system maintenance personnel.Combining the actual operation of photovoltaic inverter and the rapid development of embedded system, a scheme based on embedded Webserver is put forward. The scheme makes maintenance personnel remotely control and access the PV inverter through the internet.Overall system monitoring scheme is as following:PV inverter is connected with monitoring platforms through serial communication, remote user control the inverter by browser on the computer though the web server builded on the monitoring platform.This paper has completed system monitoring platform hardware design, the Linux operating system software design and the realization of the function of embedded Webserver. Hardware design includes:power circuit,RS-232 interface, ethernet communication interface, LCD interface and USB interface, JTAG debugging circuit; The entire process of the transplantation of embedded systems, the establishment of the development environment and web server are descrebed in detail in the paper. Finally, the article presentes the designing process of the application and monitoring page.Experimental tests results show that the monitoring platform can send instruction and monitor data through Websever, which is the expected goal of this thesis..