并网光伏系统中基于三相IGBT调谐滤波器的谐波抑制

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引用次数: 0

摘要

随着全球能源消耗的急剧增加,必须采用替代方法来满足需求。同时为了保护传统资源,利用可再生能源如太阳能、风能、地热能、潮汐能等进行能源生产是刻不容缓的需要。通过太阳能电池产生的能量可以被大量利用。但是,太阳能电池板产生的电力中的谐波含量似乎高于最大允许限制。谐波是由于各种现象性因素造成的输出值与实际值的偏差。我们观察到,光伏电池输出功率的谐波值远远大于限定值。因此,我们提出了一种基于三相并联IGBT的失谐滤波系统,以将谐波水平限制在期望值内。使电流THD值低于IEEE标准规定的允许限值,并保持电压调节和功率因数校正,提高整个系统的效率
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Harmonic Reduction using Three-Phase IGBT Based Detuned Filter in Grid connected PV System
As the energy consumption is steeply increasing globally, alternate methods must be adopted to meet the demands. Also to preserve the conventional resources, energy production by renewable sources such as solar, wind, geothermal, tidal, etc is the need of the hour. Energy generation through solar cells can be largely used. But, the harmonic content in the power generated from the solar panels are seemingly higher than the maximum allowable limits. Harmonics are the deviation in the output value from the actual value, caused due to various phenomenal factors. We have observed that the harmonics in the output power from the photo-voltaic cells is way to larger than the limited value. So, we have proposed a three-phase shunt connected IGBT based detuned filtering system to limit the harmonic levels within the desired values. To reduce the current THD value below the permissible limits as specified by the IEEE standards and also to maintain voltage regulation and power factor correction, as well as to improve the efficiency of the entire system
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