...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >Research on Discretization PI Control Technology of Single-Phase Grid-Connected Inverter with LCL Filter
【24h】

Research on Discretization PI Control Technology of Single-Phase Grid-Connected Inverter with LCL Filter

机译：带LCL滤波器的单相并网逆变器离散PI控制技术研究

获取原文
   

获取外文期刊封面封底 >>

       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Compared with L-type filter, LCL-type filter is more suitable for high-power low-switching frequency applications with reducing the inductance, improving dynamic performance. However, the parameter design for the LCL filter is more complex due to the influence of the controller response performance of the converter. If the harmonic current around switching frequency can be fully suppressed, it is possible for inverter to decrease the total inductance as well as the size and the cost. In this paper, the model of the LCL filter is analyzed and numerical algorithms are adopted to analyze the stability of the closed-loop control system and stable regions are deduced with different parameters of LCL filter. Then, the minimum sampling frequencies are deduced with different conditions. Simulation and experimental results are provided to validate the research on the generating mechanism for the unstable region of sampling frequency.
机译：与L型滤波器相比，LCL型滤波器更适合于大功率低开关频率应用，它具有减小电感，提高动态性能的优点。但是，由于转换器的控制器响应性能的影响，LCL滤波器的参数设计更加复杂。如果可以完全抑制开关频率附近的谐波电流，则逆变器可以减小总电感以及尺寸和成本。本文分析了LCL滤波器的模型，并采用数值算法对闭环控制系统的稳定性进行了分析，推导了不同参数的LCL滤波器的稳定区域。然后，在不同条件下推导出最小采样频率。通过仿真和实验结果验证了对采样频率不稳定区域产生机理的研究。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号