Control strategy of time-shift facility agriculture load and photovoltaic local consumption based on energy blockchain

With the development of facility agriculture, the distributed generation power of agricultural network can be absorbed effectively by setting appropriate control strategies and using new agricultural load. Blockchain has gradually attracted the attention of energy field due to its characteristics of security, con-sensus and motivation. Based on the time-shift characteristic of facility agriculture load, optimization objectives are respectively constructed in the micro-energy network layer and the greenhouse layer in the agricultural park, and the control strategy of micro-energy network in the park is proposed based on the blockchain technology. With the goal of maximizing local consumption of photovoltaic in each greenhouse, based on the energy consumption data, equipment parameters, operation data, and so on, which are shared in the blockchain, the operation strategy for the next period is proposed responding to output power fluctuation of photovoltaic, time-shift load and configuration of energy storage in the micro-energy network. The evaluation index of photovoltaic consumption ratio is set to evaluate the consumption condition of each greenhouse, and the optimal load operation scheme is always recorded in the blockchain. The example results show that the proposed control strategy can effectively improve the local consumption of distributed photovoltaic in the park, reduce the power purchase cost and network loss of micro-energy network, and improve the voltage quality of the power grid. © 2021, Electric Power Automation Equipment Press. All right reserved.