| IEC闪变检测算法的Matlab数字化实现及校正研究 |
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| 引用本文： | 杨鸯,陈力,侯勇,万涛,王宝华. IEC闪变检测算法的Matlab数字化实现及校正研究[J]. 电测与仪表, 2014, 51(12) |
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| 作者姓名： | 杨鸯 陈力 侯勇 万涛 王宝华 |
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| 作者单位： | 南京理工大学;西门子电力自动化有限公司; |
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| 摘 要： | 对IEC闪变平方检测原理进行了详细介绍,阐述了闪变检测的数字化及自校验方法;同时将Simulink仿真及M文件编程相结合,针对标准中所提供的电压波动调制数据,对短时闪变值Pst采用不同统计方法进行仿真计算及误差比较。进而给出一种计算校正增益K的简便方法,并在0.00833~33.33Hz频率范围内对其进行分段拟合校正,提高了闪变检测精度。
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| 关 键 词： | 闪变 平方检测法 数字化 曲线拟合 误差校正 |
| 收稿时间： | 2013-09-29 |
| 修稿时间： | 2013-09-29 |
Digital Realization and Check Research of IEC Flicker Meter in Matlab |
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| YANG Yang,CHEN Li,HOU Yong,WAN Tao and WANG Bao-hua. Digital Realization and Check Research of IEC Flicker Meter in Matlab[J]. Electrical Measurement & Instrumentation, 2014, 51(12) |
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| Authors: | YANG Yang CHEN Li HOU Yong WAN Tao WANG Bao-hua |
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| Affiliation: | Nanjing University of Science and Technology,Siemens Power Automation Ltd,Siemens Power Automation Ltd,Siemens Power Automation Ltd,Nanjing University of Science Technology |
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| Abstract: | This paper introduces the IEC method of square demodulation theory to measure flicker and discusses the digitization and self-check method of flicker meter. Considering the modulation data provided in flicker standard,two different method is used to evaluate the short-term flicker severity Pst and error by combining Simulink with M file programming..Then a short cut method is presented to calculate Gain K so that the measuring error can be revised from 0.00833 to 33.33Hz by using curve-fitting method and the measure accuracy of flicker meter is improved. |
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| Keywords: | flicker square demodulation method digitization curve-fitting error check |
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