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

Article retrieval

文章檢索

首頁 >> 文章檢索 >> 往年索引

軟件測頻方法及其在交流電參數(shù)采集中的應(yīng)用

來源:電工電氣發(fā)布時間:2016-04-05 17:05 瀏覽次數(shù):706

軟件測頻方法及其在交流電參數(shù)采集中的應(yīng)用 

梁勇1,2,郭謀發(fā)1 
1 福州大學 電氣工程與自動化學院,福建 福州 350108;2 福州電業(yè)局,福建 福州 350009 
 

摘 要:在傅里葉交流采樣算法的基礎(chǔ)上提出一種軟件測頻方法,該方法既保留了傅式算法濾波能力強的優(yōu)點,又簡化了系統(tǒng)的硬件測頻電路。闡述了軟件測頻的原理,推導交流電各個參數(shù)的計算公式,并結(jié)合單片機技術(shù)給出了一種基于STM32F103ZE處理器和AD7606模數(shù)轉(zhuǎn)換芯片的交流電參數(shù)采集實現(xiàn)方案,論述了軟件設(shè)計的流程,通過測試驗證了該方案的適用性。
關(guān)鍵詞:交流采樣;軟件測頻;AD7606模數(shù)轉(zhuǎn)換芯片;STM32F103ZE處理器
中圖分類號:TM935.1 文獻標識碼:B 文章編號:1007-3175(2013)12-0045-04


Software Frequency Measurement Method and Its Application in AC Parameters Acquisition 

LIANG Yong1,2, GUO Mou-fa1 
1 College of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350108, China; 
2 Fuzhou Power Supply Bureau, Fuzhou 350009, China
 
 

Abstract: On the basis of discrete Fourier transform AC sampling algorithm, this paper proposed a method of software frequency measurement. This method not only retained the advantages of the filtering ability of discrete Fourier transform algorithm, but also simplified the circuit of frequency measurement. This paper described the software frequency measurement principle, making a deduction for the formula of various AC parameters and giving an AC parameters acquisition implementation plan based on the STM32F103ZE processor and the AD7606 analog-to-digital conversion chip. The flowchart of software design was discussed. The test verifies the applicability of this implementation plan.
           Key words: AC sampling; software frequency measurement; AD7606 analog-to-digital conversion chip; STM32F103ZE processor


參考文獻
[1] 張卓.電力參數(shù)測量模型及實時測量系統(tǒng)的研究[D].南京:河海大學,2005.
[2] 郭穎娜,傅周興.交流采樣的頻率測量及跟蹤鎖相方法的實現(xiàn)[J].自動化與儀器儀表,2002(3):17-19.
[3] 伍永鋒.基于TMS320C5409的三相交流電參數(shù)測量系統(tǒng)的設(shè)計[J].科技促進發(fā)展,2010(6):36-37.
[4] 李一泉,何奔騰.一種基于傅氏算法的高精度測頻方法[J].中國電機工程學報,2006,26(2):78-81.
[5] 陳博.基于DP總線的交流采樣裝置的設(shè)計[J].自動化博覽,2004,21(6):85-86.
[6] 余紹雄,賴玉龍.DSP在電力系統(tǒng)多通道同步交流采樣中的應(yīng)用[J].計算機工程,2008,34(20):255-256.