文章摘要
引用本文:单峡1,王心谨2,彭辉3,季强4.基于扰动跟踪法的单相两级式光伏并网逆变器研究[J].导航与控制,2017,(3):56-60 本文二维码信息
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基于扰动跟踪法的单相两级式光伏并网逆变器研究
Research on Single Phase Two-level Grid-connected Photovoltaic Inverter
  
DOI:
中文关键词:  逆变器  两级式  光伏  并网
English Keywords:inverter  two-level  photovoltaic  grid-connected
基金项目:
作者单位
单峡1 1.金陵科技学院南京 211169 
王心谨2 2.航天材料及工艺研究所北京 100076 
彭辉3 3.哈尔滨工程大学自动化学院哈尔滨 150001 
季强4 4.国防科学技术大学航天科学与工程学院长沙 410073 
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中文摘要:
      两级式单相逆变并网装置拥有单独控制、效率高等特点。针对并网光伏系统中的两级单相逆变装置展开研究,此逆变装置两级由Boost直流变换装置与逆变装置组成。Boost直流升压装置实现最大功率点追踪,逆变装置实现并网逆变操作。最大功率点控制采用扰动追踪法,该控制与并网逆变控制彼此独立、互不影响。Matlab实验仿真及实物平台试验均证实了该策略的实用性。
English Summary:
      Inverter was the core of grid-connected photovoltaic system. The two-level structure had the advantage of separate control and high efficiency. A grid-connected photovoltaic inverter system was mainly researched, the system was composed of a Boost DC/DC chopper in series with an inverter. By the Boost DC/DC chopper, maximum power point tracking was achieved, with the inverter, grid-connected control was realized. The maximum power point tracking and the control of the grid-connected were independent from each other which made the photovoltaic system more flexible and reliable. With theoretical analysis, the control method was established, results of simulation and experiment proved the effectiveness of the program
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