本文關(guān)鍵詞：混合有源電力濾波器廣義諧波檢測(cè)方法研究　出處：《湖南工業(yè)大學(xué)》2014年碩士論文　論文類(lèi)型：學(xué)位論文

  更多相關(guān)文章： 混合有源電力濾波器 廣義諧波 檢測(cè) 廣義鎖相環(huán) 數(shù)學(xué)形態(tài)學(xué)

【摘要】：隨著電網(wǎng)諧波、無(wú)功以及零負(fù)序等電能質(zhì)量污染問(wèn)題的日益嚴(yán)重，，將它們整合為廣義諧波進(jìn)行綜合治理具有重要的研究?jī)r(jià)值。在治理電能質(zhì)量的電力電子裝置中，混合有源電力濾波器具有頗高的性?xún)r(jià)比。而廣義諧波檢測(cè)效果是混合有源電力濾波器進(jìn)行治理的主要依據(jù)，因此本文旨在研究廣義諧波的優(yōu)化檢測(cè)方法，以提高檢測(cè)的準(zhǔn)確性和實(shí)時(shí)性。 首先，對(duì)混合有源電力濾波器的拓?fù)浣Y(jié)構(gòu)和分類(lèi)進(jìn)行了深入的研究，闡述了其四個(gè)主要功能模塊的工作原理，為研究廣義諧波檢測(cè)方法奠定理論基礎(chǔ)。 其次，根據(jù)混合有源電力濾波器對(duì)檢測(cè)效果的要求，分析了基于傳統(tǒng)瞬時(shí)無(wú)功功率理論檢測(cè)方法中的變換矩陣、鎖相環(huán)及低通濾波器三個(gè)環(huán)節(jié)的工作局限性，為廣義諧波優(yōu)化檢測(cè)方法的提出提供前提。 再次，提出一種基于廣義瞬時(shí)無(wú)功功率理論的廣義諧波優(yōu)化檢測(cè)方法，其針對(duì)傳統(tǒng)檢測(cè)方法的工作局限性，做了三個(gè)方面的優(yōu)化工作：一是將檢測(cè)方法中的平面變換矩陣擴(kuò)展至空間變換矩陣，提高矩陣變換的可靠性；二是在檢測(cè)方法的鎖相環(huán)節(jié)，提出了單相廣義鎖相環(huán)和三相廣義鎖相環(huán)的鎖相方法，通過(guò)簡(jiǎn)單的邏輯運(yùn)算和矩陣變換實(shí)現(xiàn)對(duì)電網(wǎng)電壓的基波正序分量正余弦信號(hào)的同步提取，能提高相位鎖定的成功率，改善檢測(cè)方法的準(zhǔn)確性；三是在檢測(cè)方法的低通濾波環(huán)節(jié)，提出一種廣義加權(quán)形態(tài)濾波器取代傳統(tǒng)的低通濾波器，以數(shù)學(xué)形態(tài)學(xué)理論為基礎(chǔ)，采用其四種最基本的運(yùn)算法則，通過(guò)合理選擇結(jié)構(gòu)元素，構(gòu)成主從開(kāi)-閉、閉-開(kāi)兩種迭代濾波器，并結(jié)合自適應(yīng)對(duì)消技術(shù)，將兩種迭代濾波器的輸出信號(hào)分別與廣義鎖相環(huán)鎖定的基波正序電壓正余弦信號(hào)進(jìn)行加權(quán)組合，輸出直流信號(hào)，以提高檢測(cè)方法的實(shí)時(shí)性。 最后，對(duì)傳統(tǒng)檢測(cè)方法和本文所提的優(yōu)化檢測(cè)進(jìn)行仿真對(duì)比和實(shí)驗(yàn)研究，結(jié)果表明，在各種工況下的單相、三相系統(tǒng)中，本文所提出的廣義諧波優(yōu)化檢測(cè)方法在響應(yīng)速度和檢測(cè)精度上都優(yōu)于傳統(tǒng)檢測(cè)方法，驗(yàn)證了其有效性和可行性。
[Abstract]:With the harmonic, reactive and negative sequence and zero power quality pollution is becoming increasingly serious, they will integrate the comprehensive management for the generalized harmonic has important research value. In the power electronic devices in power quality control of hybrid active power filter with high cost. And the detection effect is mainly based on generalized harmonic mixing active power filter control, optimization of detection method therefore this paper aims to study the generalized harmonic, in order to improve the detection accuracy and real-time.
Firstly, the topology and classification of hybrid active power filter are deeply studied, and the working principles of four main functional modules are expounded, which lays a theoretical foundation for studying generalized harmonic detection method.
Secondly, according to the requirements of hybrid active power filter for detection performance, analyzes the transformation matrix of the traditional detection method of instantaneous reactive power theory based on the work limitations of PLL and low pass filter three links, providing the prerequisite for the optimization of the generalized harmonic detection method is proposed.
Again, put forward a generalized optimal harmonic detection method based on generalized instantaneous reactive power theory, the traditional detection methods of work limitations, do the optimization work in three aspects: one is to be extended to the space plane transformation matrix transformation matrix in the detection method, the invention has high reliability matrix transformation; two is locked link detection method, proposed method of single phase locked loop and phase-locked generalized generalized three-phase PLL, realize the synchronous extraction of fundamental positive sequence voltage of the cosine signals through simple logic operations and matrix transform, phase locking can improve the success rate, improve the accuracy of the detection method; three is a low pass filter in the detection method, proposed a generalized weighted morphological filter to replace the traditional low pass filter, mathematical morphology theory, using the basic algorithm Then, through reasonable selection of structure elements, a master-slave open close and close open two iterative filter, and adaptive cancellation technology, fundamental positive voltage output signal of the two kinds of iterative filter with generalized cosine signal of the PLL is locked by the weighted combination of the output DC signal, in order to improve the real-time detection. Methods.
Finally, simulation and experimental research, the optimization of the detection of traditional detection methods and the results show that the single phase under various working conditions, in a three-phase system, the generalized harmonic detection optimization method proposed in this paper in response to the traditional detection speed and detection accuracy is superior, verify its validity and feasibility.

【學(xué)位授予單位】：湖南工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TN713.8;TM935

【參考文獻(xiàn)】

相關(guān)期刊論文 前8條

1 王楠,律方成,劉云鵬,李和明;自適應(yīng)廣義形態(tài)濾波方法在介損在線監(jiān)測(cè)數(shù)據(jù)處理中的應(yīng)用研究[J];中國(guó)電機(jī)工程學(xué)報(bào);2004年02期

2 湯賜;羅安;趙偉;帥智康;;混合型并聯(lián)有源濾波器的穩(wěn)定性[J];中國(guó)電機(jī)工程學(xué)報(bào);2008年06期

3 盤(pán)宏斌;羅安;唐杰;榮飛;陳棟;;一種改進(jìn)的基于最小二乘法的自適應(yīng)諧波檢測(cè)方法[J];中國(guó)電機(jī)工程學(xué)報(bào);2008年13期

4 王少杰;羅安;湯賜;魏承志;;新型注入式混合有源濾波器中無(wú)源濾波器的優(yōu)化設(shè)計(jì)[J];中國(guó)電機(jī)工程學(xué)報(bào);2008年33期

5 蔣章;鄧艾東;蔡賓宏;;基于梯度法的自適應(yīng)廣義形態(tài)濾波在碰摩聲發(fā)射信號(hào)降噪中的應(yīng)用[J];中國(guó)電機(jī)工程學(xué)報(bào);2011年08期

6 牛勝鎖;梁志瑞;張建華;蘇海鋒;孫海峰;;基于三譜線插值FFT的電力諧波分析算法[J];中國(guó)電機(jī)工程學(xué)報(bào);2012年16期

7 王少杰;羅安;孫賢大;;諧波及無(wú)功電流檢測(cè)低通濾波器的優(yōu)化設(shè)計(jì)方法[J];中南大學(xué)學(xué)報(bào)(自然科學(xué)版);2010年03期

8 張學(xué)廣;王瑞;徐殿國(guó);;并聯(lián)型三相PWM變換器環(huán)流無(wú)差拍控制策略[J];中國(guó)電機(jī)工程學(xué)報(bào);2013年06期

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