零空间追踪算法在电压波动与闪变中的应用

摘要

为了更加精准地获取电压波动与闪变信号，为电能质量的分析与提高提供精准的数据，在深入分析零空间追踪算法原理的基础上，给出了利用零空间追踪算法实现电压波动与闪变的检测方法，通过仿真分析验证了零空间追踪算法在提取波动信号以及计算短时闪变严重度方面具有误差小、精度高的优势。%In order to obtain more accurate voltage fluctuations and flicker signal, accurate data were provided to analyze and improve power quality. Based on deep analysis of the principles on zero-space tracking algorithm, the detection voltage fluctuation and flicker method was given by using null space pursuit algorithm, the advantage of high precision and small error of null space pursuit algorithm are verified by the simulation analysis in both the extraction of fluctuating signals and the calculation of the short-term flicker severity.