<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(hào): CN32-1800/TM| ISSN1007-3175

    Article retrieval

    文章檢索

    首頁 >> 文章檢索 >> 往年索引

    基于LADRC與模糊自適應(yīng)的新型有源阻尼諧振抑制策略

    來源:電工電氣發(fā)布時(shí)間:2023-03-04 11:04 瀏覽次數(shù):382

    基于LADRC與模糊自適應(yīng)的新型有源阻尼諧振抑制策略

    李月超,高志強(qiáng),周雪松,郭帥朝
    (天津理工大學(xué) 電氣工程與自動(dòng)化學(xué)院,天津 300384)
     
        摘 要:針對(duì) LCL 型并網(wǎng)逆變器固有諧振屬性容易引起系統(tǒng)諧振,影響系統(tǒng)穩(wěn)定性的問題,采用無需增添額外傳感器的并網(wǎng)電流反饋有源阻尼 (GCFAD) 法抑制諧振,并引入高通濾波器 (HPF) 抑制傳統(tǒng) GCFAD 中二次微分環(huán)節(jié)對(duì)高頻諧波電流的放大效應(yīng)。為應(yīng)對(duì)電網(wǎng)阻抗變化導(dǎo)致諧振頻率偏移時(shí)阻尼參數(shù)難以根據(jù)系統(tǒng)變化進(jìn)行實(shí)時(shí)調(diào)節(jié),提出一種基于線性自抗擾的新型并網(wǎng)電流反饋模糊自適應(yīng)有源阻尼控制策略 (FHPF-LADRC),進(jìn)一步提高系統(tǒng)的魯棒性。使用頻域分析法分析新型有源阻尼控制對(duì)抑制系統(tǒng)諧振峰值和高頻諧波衰減的效果,通過仿真結(jié)果驗(yàn)證了新型有源阻尼控制策略不僅有效提高系統(tǒng)阻尼效果,還增強(qiáng)系統(tǒng)穩(wěn)定性和諧波抑制力,具有較好的可行性。
        關(guān)鍵詞: 并網(wǎng)逆變器;諧振;有源阻尼;模糊自適應(yīng);自抗擾控制
        中圖分類號(hào):TM464 ;TM712     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2023)02-0015-08
     
    New Active Damping Resonant Suppression Strategy Based on Linear Active
    Disturbance Rejection and Fuzzy Adaptive
     
    LI Yue-chao, GAO Zhi-qiang, ZHOU Xue-song, GUO Shuai-chao
    (College of Electrical Engineering and Automation, Tianjin University of Technology, Tianjin 300384, China)
     
        Abstract: The inherent resonance of grid-connected inverter with LCL filter is apt to cause system resonance, affecting the system stability.In the paper, the grid-connected current feedback active damping (GCFAD) method without additional sensors is used to suppress resonance, and high pass filter (HPF) is introduced to suppress the amplification of high-frequency harmonic current by second derivative.It is difficult to adjust damping parameters in real time according to system changes when resonance frequency offsets due to grid impedance variation, so an active damping control strategy of new grid current feedback based on linear active disturbance rejection and fuzzy adaptive is proposed to further improve the robustness of the system. Effects of the new active damping control on resonant peak and high frequency harmonic attenuation are analyzed by frequency domain analysis method. The simulation results show that the new active damping control strategy has great feasibility because it not only effectively improves the damping effect of the system, but also enhances the system stability and harmonic suppression force.
        Key words: grid-connected inverter; resonance; active damping; fuzzy adaptive; auto disturbance rejection control
     
    參考文獻(xiàn)
    [1] 李慶,程鵬,王偉勝,等. 考慮電網(wǎng)背景諧波影響的直驅(qū)風(fēng)電機(jī)組諧波電流建模與分析[J] . 電網(wǎng)技術(shù),2018,42(7):2178-2184.
    [2] 王子江. 基于 LADRC 的 LCL 型并網(wǎng)逆變器電流環(huán)控制研究[D]. 廣州:華南理工大學(xué),2020.
    [3] 劉芳,張喆,馬銘遙,等. 弱電網(wǎng)條件下基于穩(wěn)定域和諧波交互的并網(wǎng)逆變器 LCL 參數(shù)設(shè)計(jì)[J] . 中國(guó)電機(jī)工程學(xué)報(bào),2019,39(14):4231-4241.
    [4] 張漢卿. 基于 LCL 濾波的并網(wǎng)逆變器諧振分析及控制策略研究[D]. 沈陽:東北大學(xué),2017.
    [5] 張成,趙濤,朱愛華,等. 基于 H 重復(fù)控制的 T 型三電平逆變器諧波抑制策略[J] . 電工電氣,2021(5):1-6.
    [6] 賈科,陳金鋒,鈕厚敏,等. 光伏并網(wǎng)系統(tǒng)的諧振抑制策略及無源阻尼選取方法[J] . 電力系統(tǒng)自動(dòng)化, 2021,45(15):109-114.
    [7] 劉寶泉,郭華,朱一昕,等. 三相變流器無源阻尼型 LCL 濾波器的分析與設(shè)計(jì)[J]. 電工技術(shù)學(xué)報(bào),2017,32(2):195-205.
    [8] 呂永燦,林樺,楊化承,等. 基于多諧振控制器和電容電流反饋有源阻尼的 PWM 變換器電流環(huán)參數(shù)解耦設(shè)計(jì)[J] . 中國(guó)電機(jī)工程學(xué)報(bào),2013,33(27):44-51.
    [9] LIU Teng, LIU Jinjun, LIU Zeng, et al.A study of virtual resistor-based active damping alternatives for LCL resonance in gridconnected voltage source inverters[J].IEEE Transactions on Power Electronics, 2022,35(1):247-262.
    [10] 汪英,周樂明. LCL 型并網(wǎng)逆變器的 GCFAD 優(yōu)化設(shè)計(jì)方法[J] . 電力系統(tǒng)及其自動(dòng)化學(xué)報(bào),2017,29(10):130-137.
    [11] 林盛超,熊健,賀詩(shī)明,等. 基于并網(wǎng)電流反饋的新型有源阻尼方法[J] . 電網(wǎng)技術(shù),2021,45(3):926-939.
    [12] XU Jinming, XIE Shaojun, TANG Ting.Active damping-based control for grid-connected LCL filtered inverter with injected grid current feedback only[J].IEEE Transactions on Industrial Electronics, 2014, 61(9):4746-4758.
    [13] 周樂明,楊苓,陳燕東,等. 降低諧振頻率偏差和電網(wǎng)阻抗影響的單逆變器電流反饋諧振抑制方法[J] .中國(guó)電機(jī)工程學(xué)報(bào),2018,38(15):4490-4503.
    [14] 耿乙文,齊亞文,董文明,等. 一種改進(jìn)型并網(wǎng)電流反饋有源阻尼方法[J] . 中國(guó)電機(jī)工程學(xué)報(bào),2018, 38(18):5557-5567.
    [15] 楊林,曾江,黃仲龍,等. 線性自抗擾技術(shù)在 LCL 逆變器并網(wǎng)電流控制及有源阻尼中的應(yīng)用[J] . 電網(wǎng)技術(shù),2019,43(4):1378-1386.
    [16] 鄭成才,王久和,慕小斌,等. 基于 PCHD 模型的 APF 自適應(yīng)模糊無源控制研究[J]. 電力系統(tǒng)保護(hù)與控制,2018,46(2):8-15.
    [17] GAO Zhiqiang . Scaling and bandwidth-parameterization based controller tuning[C]//Proceedings of the 2003 American Control Conference, 2003:4989-4996.

     

    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); })();