煤矿低压STATCOM控制延时补偿方法研究

doi:10.11799/ce202604015

摘要/Abstract

摘要：

针对STATCOM在动态无功补偿和谐波治理时，电流检测、采样和数字控制器离散化等环节存在控制延时影响补偿效果的问题，以煤矿低压三相桥式STATCOM为研究对象，在分析其基本工作原理并建立控制系统架构的基础上，探讨STATCOM控制延时产生的原因，并对控制延时产生的影响进行定量分析，研究并提出基于选择控制的STATCOM控制延时补偿方法，通过假设检验的判定方法将算法补偿和周期补偿结合，暂态的时候采用固定时间的算法补偿具有较快的跟踪速度，稳态时采用周期补偿具有较高的控制精度。最后，通过Matlab/Simulink仿真和实验平台验证了所提方法的有效性。

关键词: 静止同步补偿器, 无功和谐波电流, 控制延时, 假设检验, 补偿方法

Abstract:

Aiming at the problem that the control delay affects the compensation effect of STATCOM in dynamic reactive power compensation and harmonic control, such as current detection, sampling and digital controller discretization, the low-voltage three-phase bridge STATCOM in coal mine is taken as the research object. Based on the analysis of its basic working principle and the establishment of control system architecture, the causes of STATCOM control delay are discussed, and the influence of control delay is quantitatively analyzed. The STATCOM control delay compensation method based on selective control is studied and proposed. The algorithm compensation and periodic compensation are organically combined by the judgment method of hypothesis test. The fixed-time algorithm compensation has faster tracking speed in transient state, and the periodic compensation has higher control accuracy in steady state. Finally, the effectiveness of the proposed method is verified by Matlab / Simulink simulation and experimental platform.

中图分类号:

TD61

孙晋璐, 高贵军, 王勇, 薛晓健.

煤矿低压STATCOM控制延时补偿方法研究 [J]. 煤炭工程, 2026, 58(4): 114-122.

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