电弧炉负荷混合型有源滤波器优化设计

Rajkumar Jhapte, R. N. Patel, D. Neema
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引用次数: 3

摘要

目前,非线性载荷在家庭和工业应用中得到了越来越多的应用。因此,在电力系统的畸变侧谐波增加。谐波会引起电流和电压的扰动,从而降低系统的性能。有各种各样的策略来补偿谐波对负载甚至整个电力系统的不利影响。因此,为了最小化谐波,滤波器是非常必要的。应用最广泛的技术是电力滤波器在系统中的应用。本文采用无源滤波器和有源滤波器相结合的方法实现了炉膛负荷运行产生的谐波最小化。提出了一种基于混合有源滤波器的电弧炉负荷电压电流谐波提取控制策略;并利用MATLAB实现。研究了在炉膛负荷上对传统PI控制器进行整定和采用和谐搜索算法(HSA)对最优控制器进行整定后实现的并联混合有源电力滤波器的分析和比较。与传统PI控制器相比,所提出的技术给出了最小的总谐波失真(THD)含量。因此,所建议的工作的实施导致了系统整体性能的提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of optimized hybrid active power filter for electric arc furnace load
Nowadays, non linear loads are being used at a greater rate in domestic and industrial applications. As a result, there is increase in harmonics at distortion side of the power system. The harmonics are responsible for current and voltage disturbances and deteriorate the performance of the system. There are various strategies for compensating the adverse effects of harmonics on the performance of load and sometimes the entire power system. Therefore, to minimize the harmonics, the filters are very much essential. The most widely used technique is the application of power filters in the system. In this paper, the harmonic minimization is carried out by incorporating passive filters and active filters which are generated due to the furnace load operation. The proposed work focuses on using a controlled strategy for extracting the voltage and current harmonics from arc furnace load using hybrid active power filters; and has been implemented using MATLAB. The research investigates the analysis and comparison of implemented shunt hybrid active power filter by tuning conventional PI controller and optimal controller tuned with Harmony Search Algorithm (HSA) on the furnace load. The proposed technique gives the Total Harmonic Distortion (THD) content which is minimum as compared to the conventional PI controller. Thus, the implementation of the proposed work leads to an improvement in overall performance of system.
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