电压间谐波下荧光灯闪变效应的实验研究

发布时间：2019-03-30 16:56

【摘要】：电力电子技术的飞速发展，尤其是变频调速装置在电力系统中的广泛应用和各种非线性负荷的日益增多，使得越来越多的间谐波注入到电网中。间谐波会导致电压波动和闪变，进而造成光源的光闪变，影响人们的视觉舒适性和工作效率。荧光灯在间谐波电压作用下有着非常明显的闪变效应，针对荧光灯的光闪变已有学者展开工作，并取得了一定的研究成果。但迄今为止，基于荧光灯闪变的间谐波限制标准和评价方法的研究仍很少，研究荧光灯在间谐波电压作用下的闪变效应，对于制定相关的间谐波兼容标准都具有重要的理论意义和实用价值。论文根据IEC闪变仪模型的原理，对IEC闪变仪模型中的加权滤波器进行分解，并在这个基础上提出闪变仪的分解模型，根据这个模型，可直接导入实验获得的光通量信号以进行光闪变强度Pst计算。并且，论文以IEC闪变仪标准作为参照对象，通过实验验证了该模型的可行性和有效性。在文章提出的分解模型的基础上，设计了实验系统并建立了实验装置。利用高精度照度计采集紧凑型荧光灯在含有特定间谐波频率和幅值的电压下的光通量输出，使用闪变仪分解模型，对其在间谐波电压下的光闪变效应进行实验研究，由此，可以获得在实验条件下，紧凑型荧光灯在不同间谐波频率和含量下的光闪变强度Pst。并据此提出了针对紧凑型荧光灯光闪变的间谐波限制曲线。文章对间谐波限制曲线提出了分析，，得出光闪变的间谐波阈值随频率变化而变化的规律。同时，对于不同功率与不同品牌的紧凑型荧光灯的间谐波限制曲线作出对比。同时，文章也对直管荧光灯进行实验，通过以人眼观察作为判断闪变发生依据的方法，得出其间谐波限制曲线。
[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.
【学位授予单位】：重庆大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TM923.321

【参考文献】