<dd id="mimiw"><samp id="mimiw"></samp></dd>

<address id="mimiw"><nav id="mimiw"><delect id="mimiw"></delect></nav></address>

    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 >> 文章瀏覽排名

    高壓容性開合直接試驗的參數計算方法

    來源:電工電氣發布時間:2021-03-26 10:26 瀏覽次數:704
    高壓容性開合直接試驗的參數計算方法
     
    張玲1,2,汪海波1,2,胡冠1,2,陳明亮1,2,洪深1,2,陳勇1,2
    (1 國網電力科學研究院有限公司, 江蘇 南京 211000;2 國網電科院檢測認證技術有限公司, 江蘇 常州 213000)
     
        摘 要:研究了高壓交流斷路器電容器組開合直接試驗的回路參數計算方法。針對單個電容器組開合直接試驗,通過對電壓進行標幺值化并結合二階電路解析計算和Zeroin數值算法的計算方法,計算不同振幅系數下的系數K,從而計算調頻支路參數,使恢復電壓起始部分的包絡線滿足標準要求,計算結果精確,不需要人為調整。針對背靠背電容器組開合直接試驗,建立了關于涌流頻率、開斷電流、標準恢復電壓以及回路原理的方程組,并在計算過程中使用了等效寄生電感L 的初始值計算公式和涌流阻尼電阻計算公式,縮短計算時間且使解得的參數同時滿足涌流頻率、涌流峰值、阻尼系數和標準恢復電壓的要求。
        關鍵詞:大容量試驗室;容性開合;電容器組;涌流;數值算法
        中圖分類號:TM53 ;TM561     文獻標識碼:A     文章編號:1007-3175(2021)03-0052-06
     
    Parameter Calculation Method of High Voltage Capacitor Bank Switching Direct Test
     
    ZHANG Ling1,2, WANG Hai-bo1,2, HU Guan1,2, CHEN Ming-liang1,2, HONG Shen1,2, CHEN Yong1,2
    (1 State Grid Electric Power Research Institute, Nanjing 211000, China;
    2 State Grid Power Testing and Certification Technology Co., Ltd, Changzhou 213000, China)
     
        Abstract: This paper studies the calculation method of test circuit parameters for direct test of capacitor bank switching of high-voltage AC circuit-breaker. For single capacitor bank switching test, this paper calculates the coefficient K under different amplitude factor to calculate the parameters of frequency modulation branch by the method of combining analytical calculation of second-order circuit and Zeroin numerical algorithm in per unit. With this method, the envelope of the initial part of the recovery voltage can meet the requirements of the standard. The calculation result is accurate and do not need to be adjusted manually. For back to back capacitor bank switching test, this paper establishes equations of inrush current frequency, switching current, standard recovery voltage and circuit principle so as to obtain the test parameters which can meet requirements of inrush current frequency, inrush current peak value, damping coefficient and standard recovery voltage simultaneously. Calculation formulas of initial value of equivalent parasitic inductance L and inrush damping resistance are used to shorten calculation time and make the parameters obtained meet the requirements of inrush current frequency, inrush current peak value, damping factor and standard recovery voltage.
        Key words: high power laboratory; capacitive current switching; capacitor bank; inrush current; numerical algorithm
     
    參考文獻
    [1] 錢家驪,張節容,吉嘉琴,等. 高壓開關開合電容電流和小電感電流[M]. 北京:中國電力出版社,1999.
    [2] MANGANARO S, ROMITI A, ROVELLI S.Recent Experience with Synthetic Circuits for Capacitive Current Switching Tests on HV Circuit-Breakers[J].IEEE Transactions on Power Apparatus and Systems,1983,PAS-102(10) :3329-3337.
    [3] 黃實,姚斯立,張海峰,等. 特高壓斷路器容性電流開合試驗方法研究[J]. 高壓電器,2007,43(1):32-34.
    [4] 劉樸,劉平,黃實,等. 特高壓斷路器容性電流開合合成試驗方法研究[J]. 高壓電器,2014,50(5):87-92.
    [5] 吳盛剛,張振乾,李向陽,等. 工頻電流迭加容性合成試驗回路及其過電壓保護問題[C]//2012 輸變電年會論文集,2012 :267-271.
    [6] 楊英杰. 交流高壓斷路器開合空載架空線路試驗研究[D]. 沈陽:沈陽工業大學,2002.
    [7] 石巖.1 100 kV濾波器小組斷路器開斷特性的研究[D]. 沈陽:沈陽工業大學,2018.
    [8] 黃實,崔博源,姚斯立,等.145 kV斷路器開合電容器組電流試驗研究[J]. 高壓電器,2012,48(7) :66-70.
    [9] 中國電器工業協會. 高壓交流斷路器:GB 1984—2014[S]. 北京:中國標準出版社,2014 :29-30.
    [10] 王挺.2014—2016年高壓電器容量試驗結果不完全統計分析[J]. 電氣應用,2018,37(20) :29-33.
    [11] 吳盛剛,李向陽,王學軍,等. 中壓網絡試驗系統瞬態恢復電壓參數的計算及波形模擬[J].電工電氣,2010(6) :1-6.

     

    亚洲无码av成人在线,亚洲影院AV无码一区二区,亚洲无码第二页,成人无码AV网站在线观看不卡 (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })();