Research of Automatic Monitoring and Control Strategy of Photovoltaic Power Generation System

Yali Liu
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引用次数: 2

Abstract

This paper introduces the design and realization of automatic detection and control system in solar photovoltaic power. It adopts ZigBee technology to solve PV module monitoring and mainly studies its communication network. Through ZigBee network and based on multi-hop distribution network, the data acquisition node initially verifies networking scheme. Then, by modeling analysis of the inverter, this paper puts forward double-loop control strategy of grid-connected current. This control strategy ensures inverter output current is stable sine wave in high quality and provides important assurance for photovoltaic grid-connected power. Finally, it is proved that it is effective to eliminate power network voltage on interconnected system dynamic performance and also effective to reduce total harmonic distortion in grid-connected current, through simulation analysis.
光伏发电系统自动监控策略研究
本文介绍了太阳能光伏发电自动检测与控制系统的设计与实现。采用ZigBee技术解决光伏组件监控问题,主要研究其通信网络。数据采集节点通过ZigBee网络,基于多跳分配网络,对组网方案进行初步验证。然后,通过对逆变器的建模分析,提出并网电流的双环控制策略。该控制策略保证了逆变器输出电流是稳定的高质量正弦波,为光伏并网供电提供了重要保证。最后,通过仿真分析,证明了该方法能有效消除电网电压对互联系统动态性能的影响,并能有效降低并网电流中的总谐波畸变。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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