Study On The Optimal Dispatching Of Poverty Alleviation Photovoltaic Power Plant And Control System Design

As one of the renewable energy sources,solar energy is widely valued because of its advantages of cleanness,high efficiency,flexible installation and low investment.“ Photovoltaic poverty alleviation policy further promotes the development of photovoltaic industry.However,the problems of power quality,the low level of photovoltaic consumption and the lack of corresponding control system caused by a large number of distributed poverty alleviatio n photovoltaic access are the problems that restrict the "photovoltaic poverty alleviation" project to achieve the desired effect.Therefore,this paper studies the above problems,establishes a scheduling scheme suitable for the actual situation of rural areas and a non cooperative game model,and obtains the optimal scheduling scheme through simulation experiments.Finally,according to the optimal scheme,a control system based on cloud technology is established to control and optimize the operation stat e of photovoltaic system.In this paper,a photovoltaic poverty alleviation project in a county of Yunnan Province is taken as the research object.Firstly,the mechanism of voltage crossing is analyzed,and four voltage mediation methods are introduced.T hen,according to the operation state and voltage amplitude of photovoltaic power generation system,the voltage regulation is divided into different stages,and different voltage control strategies are selected for different situations.This method can no t only further improve the power quality,but also leave a certain safety margin for the operation of photovoltaic power generation system.Secondly,according to the actual situation of rural areas,four different scheduling models are proposed and simula ted to improve the photovoltaic consumption level.By comparing the revenue and photovoltaic consumption capacity of each scheme,the most suitable dispatching model scheme for rural areas is obtained.Finally,aiming at the lack of control system,accordi ng to the optimal scheduling scheme determined before,the control system based on cloud technology is designed.This paper uses the Alibaba cloud Internet of things platform to establish the control system: using the device side SDK provided by the cloud to develop in the Linux operating system to simulate the real devices of the photovoltaic power generation system,so as to realize the connection between the devices and the cloud.In addition,in the cloud,the function of the device is defined,the corresponding object model is added,and the rule engine is established.In this way,the operation status of the photovoltaic power station can be monitored and optimized in real time,and finally the control system is established.