Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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基于Matlab仿真的閃變儀自校驗及誤差校正研究

來源:電工電氣發(fā)布時間:2016-03-15 10:15 瀏覽次數(shù):820

基于Matlab仿真的閃變儀自校驗及誤差校正研究 

高燕1,吳陽2 
1 東南大學(xué) 電氣工程學(xué)院,江蘇 南京 210096; 2 沭陽縣供電公司,江蘇 沭陽 223600 
 

摘 要:為提高閃變儀的測量精度,在介紹IEC閃變儀的測量原理及短時閃變嚴(yán)重度計算方法的基礎(chǔ)上,論述了閃變儀的數(shù)字化實現(xiàn)模型及PID自校驗控制算法的實現(xiàn),并采用統(tǒng)計排序法計算短時閃變嚴(yán)重度。針對不同波動頻率下短時閃變嚴(yán)重度的測量誤差引入多項式擬合校正,Matlab仿真結(jié)果表明,引入多項式擬合校正方法明顯提高了閃變儀的檢測精度。
關(guān)鍵詞:閃變;短時閃變嚴(yán)重度;自校驗;誤差校正
中圖分類號:TM933 文獻標(biāo)識碼:A 文章編號:1007-3175(2013)02-0035-05


Research on Self Checking and Error Correction of Flicker Meter Based on Matlab Simulation 

GAO Yan1, WU Yang2 
1 School of Electric Engineering, Southeast University, Nanjing 210096, China;
2 Shuyang Power Supply Corporation, Shuyang 223600, China
 
 

Abstract:In order to improve the measurement precision of the flicker meter, on the basis of the IEC flicker meter measurement principle and the calculation methods of the short-term flicker severity, this paper discussed the model of digital flicker meter and the PID self-checking control algorithm, at the same time, the short-term flicker severity was calculated with statistic sequence. In allusion to the measurement error of the short-term flicker severity in different fluctuation frequency, polynomial fitting correction method was introduced and verified by the Matlab simulation experiment.
Key words: flicker; short-term flicker severity; self checking; error correction


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