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Residential Distribution System Harmonic Compensation Using PV Interfacing Inverter

机译：使用光伏接口逆变器的住宅配电系统谐波补偿

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摘要

The increased non-linear loads in today's typical home are a growing concern for utility companies. This situation might be worsened by the harmonic resonance introduced by the installation of capacitor banks in the distribution network. To mitigate the harmonic distortions, passive or active filters are typically used. However, with the increasing implementation of distributed generation (DG) in residential areas, using DG systems to improve the power quality is becoming a promising idea, particularly because many DG systems, such as photovoltaic (PV), wind and fuel cells, have DG-grid interfacing converters. In this paper, the potential for using photovoltaic (PV) interfacing inverters to compensate the residential system harmonics is explored. A system model including the residential load and DG is first developed. An in-depth analysis and comparison of different compensation schemes based on the virtual harmonic damping impedance concept are then carried out. The effects of the capacitor banks in the system are also studied. The effectiveness of the harmonic compensation strategies under different conditions is verified through analysis and simulations.
机译：如今，典型家庭中非线性负载的增加已成为公用事业公司日益关注的问题。通过在配电网中安装电容器组而引入的谐波谐振可能会使这种情况恶化。为了减轻谐波失真，通常使用无源或有源滤波器。但是，随着住宅区分布式发电（DG）实施的增加，使用DG系统来改善电能质量已成为一个有前途的想法，特别是因为许多DG系统（例如光伏（PV），风能和燃料电池）都具有DG网格接口转换器。本文探讨了使用光伏（PV）接口逆变器补偿住宅系统谐波的潜力。首先开发了包含住宅负荷和DG的系统模型。然后，基于虚拟谐波阻尼阻抗概念，对不同的补偿方案进行了深入的分析和比较。还研究了系统中电容器组的影响。通过分析和仿真验证了不同条件下谐波补偿策略的有效性。

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