發(fā)布時(shí)間：2019-03-30 16:56

【摘要】：電力電子技術(shù)的飛速發(fā)展，尤其是變頻調(diào)速裝置在電力系統(tǒng)中的廣泛應(yīng)用和各種非線性負(fù)荷的日益增多，使得越來越多的間諧波注入到電網(wǎng)中。間諧波會(huì)導(dǎo)致電壓波動(dòng)和閃變，進(jìn)而造成光源的光閃變，影響人們的視覺舒適性和工作效率。熒光燈在間諧波電壓作用下有著非常明顯的閃變效應(yīng)，針對(duì)熒光燈的光閃變已有學(xué)者展開工作，并取得了一定的研究成果。但迄今為止，基于熒光燈閃變的間諧波限制標(biāo)準(zhǔn)和評(píng)價(jià)方法的研究仍很少，研究熒光燈在間諧波電壓作用下的閃變效應(yīng)，對(duì)于制定相關(guān)的間諧波兼容標(biāo)準(zhǔn)都具有重要的理論意義和實(shí)用價(jià)值。 論文根據(jù)IEC閃變儀模型的原理，對(duì)IEC閃變儀模型中的加權(quán)濾波器進(jìn)行分解，并在這個(gè)基礎(chǔ)上提出閃變儀的分解模型，根據(jù)這個(gè)模型，可直接導(dǎo)入實(shí)驗(yàn)獲得的光通量信號(hào)以進(jìn)行光閃變強(qiáng)度Pst計(jì)算。并且，論文以IEC閃變儀標(biāo)準(zhǔn)作為參照對(duì)象，通過實(shí)驗(yàn)驗(yàn)證了該模型的可行性和有效性。 在文章提出的分解模型的基礎(chǔ)上，設(shè)計(jì)了實(shí)驗(yàn)系統(tǒng)并建立了實(shí)驗(yàn)裝置。利用高精度照度計(jì)采集緊湊型熒光燈在含有特定間諧波頻率和幅值的電壓下的光通量輸出，使用閃變儀分解模型，對(duì)其在間諧波電壓下的光閃變效應(yīng)進(jìn)行實(shí)驗(yàn)研究，由此，可以獲得在實(shí)驗(yàn)條件下，緊湊型熒光燈在不同間諧波頻率和含量下的光閃變強(qiáng)度Pst。并據(jù)此提出了針對(duì)緊湊型熒光燈光閃變的間諧波限制曲線。 文章對(duì)間諧波限制曲線提出了分析，，得出光閃變的間諧波閾值隨頻率變化而變化的規(guī)律。同時(shí)，對(duì)于不同功率與不同品牌的緊湊型熒光燈的間諧波限制曲線作出對(duì)比。同時(shí)，文章也對(duì)直管熒光燈進(jìn)行實(shí)驗(yàn)，通過以人眼觀察作為判斷閃變發(fā)生依據(jù)的方法，得出其間諧波限制曲線。
[Abstract]:With the rapid development of power electronics technology, especially the wide application of variable frequency speed regulation devices in power systems and the increasing number of nonlinear loads, more and more inter-harmonic waves are injected into the power network. Interharmonics will lead to voltage fluctuation and flicker, which will result in light flicker of light source and affect people's visual comfort and working efficiency. The flicker effect of fluorescent lamps under the action of interharmonic voltage is very obvious. Some scholars have started their work on the light flicker of fluorescent lamps and have obtained some research results. But up to now, there is little research on the limit standard and evaluation method of interharmonic based on flicker of fluorescent lamp, and the flicker effect of fluorescent lamp under the action of interharmonic voltage is studied. It is of great theoretical significance and practical value for the establishment of relevant standards for inter-harmonic compatibility. According to the principle of the IEC flicker model, this paper decomposes the weighted filter in the IEC flicker model, and on this basis, puts forward the decomposition model of the flicker, and according to this model, The optical flux signal obtained from the experiment can be directly imported to calculate the flash intensity of Pst. In addition, the IEC flicker standard is taken as the reference object, and the feasibility and effectiveness of the model are verified by experiments. On the basis of the decomposition model proposed in this paper, the experimental system is designed and the experimental equipment is set up. The light flux output of compact fluorescent lamp with special interharmonic frequency and amplitude voltage was collected by high precision illuminometer. The flicker model was used to study the light flicker effect of compact fluorescent lamp under interharmonic voltage, thus, the optical flicker effect of compact fluorescent lamp under interharmonic voltage was studied experimentally, and the optical flux output of compact fluorescent lamp was measured by using flicker model. Under the experimental conditions, the light flicker intensity of compact fluorescent lamps under different interharmonic frequencies and contents can be obtained by Pst.. An inter-harmonic limiting curve for the flicker of compact fluorescent light is proposed. In this paper, the interharmonic limit curve is analyzed, and the rule that the interharmonic threshold of light flicker varies with the frequency change is obtained. At the same time, the interharmonic limit curves of different power and different brands of compact fluorescent lamps are compared. At the same time, the article also carries on the experiment to the straight tube fluorescent lamp, through taking the human eye observation as the judge flicker occurrence basis method, obtains the harmonic limit curve in between.
【學(xué)位授予單位】：重慶大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TM923.321

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