Small wind-light-stored energy supplementary power generation cluster autonomous control system based on wireless sensor network

Abstract

The invention provides a small wind-light-stored energy supplementary power generation cluster autonomous control system based on a wireless sensor network. The operation condition of a wind-light-stored energy supplementary power generation cluster is monitored in real time through the ZigBee wireless sensor network technology, wireless networking is achieved through the ZigBee technology, the network is formed through all the wind-light-stored energy subsystem monitoring points, a ZigBee network center node communicates with a monitoring center in a GPRS mode, and therefore a distributed type remote transmission communication monitoring system based on ZigBee and the GPRS is established. The system is mainly formed by integrating multiple distributed measurement and control RTU intelligent units of the power generation cluster. Each distributed measurement and control RTU intelligent unit is composed of a distributed intelligent control unit, a data acquisition unit module, a relay route module, a concentrator module, a ZigBee wireless communication module, a ZigBee relay route module and a GPRS communication module. Potential advantages of light, wind and stored energy multi-energy supplementary micro-grid system are used, the autonomous control system is in a main mode of distributed new power operation in future, a research system has the practical value, the application prospect of the wind-light-stored energy supplementary power generation cluster autonomous control system is wide, and the application number is large.

Description

technical field [0001] The present invention relates to the technical field of electrical and Internet of Things, and in particular to an autonomous control system of a small-scale wind-solar-storage hybrid power generation group based on a wireless sensor network. Background technique [0002] The National Medium- and Long-Term Science and Technology Development Program Outline clearly states that "low-cost and large-scale development and utilization of renewable energy" should be vigorously carried out. In order to solve the contradiction between power system and distributed power generation, integrate the advantages of distributed power generation, and give full play to the economic benefits brought by distributed power generation to power system and users, microgrid technology has been widely valued. The microgrid system is a system composed of load and micro power supply, which can provide electric energy and heat at the same time; the power supply inside the microgrid ...

AI Technical Summary

Problems solved by technology

[0005] The typical central control system cannot solve the control problem of the wind-solar-storage hybrid power generation group, especially when the power grid or the distributed power supply fails and the micro-grid voltage and frequency fluctuate beyond the allowable range, the global real-time information energy The flow optimization calculation is slow, and it will face failures such as interruption of the communication control network. Therefore, the real-time autonomous distributed power supply control using ZigBee wireless sensor network technology can control the voltage, frequency, etc. beyond the allowable limit based on global static information and local information. Instantly adjust the fluctuation range to form a reliable distributed monitoring system

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