一种提高并网太阳能光伏系统性能的混合FNLMS方法

S. Pradhan, Ikhlaq Hussain, Bhim Singh, B. K. Panigrahi
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引用次数: 2

摘要

将混合分数阶归一化最小均方(FNLMS)算法与适当的最大功率点跟踪(MPPT)方法相结合,提高了三相并网太阳能光伏发电系统的性能。所采用的三相三线单级电网系统由光伏阵列、滤波器、负载和带直流链路电容的三支路电压源变换器(VSC)组成。采用FNLMS自适应控制算法的系统旨在实现源端统一功率因数(UPF)、负载均衡和降低总谐波失真(THD)的目标。这些目标是通过使用混合FNLMS算法为基于绝缘栅双极晶体管(IGBT)的VSC产生受控开关脉冲来实现的。通过实验室开发的实验样机验证了该算法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A hybrid FNLMS approach to improve the performance of a grid integrated solar PV system
An improved performance of a 3-phase grid integrated solar photovoltaic (PV) system is presented by incorporating a hybrid fractional normalized least mean square (FNLMS) algorithm with an appropriate maximum power point tracking (MPPT) method. The adopted 3-phase, 3-wire, single stage grid system consists of PV array, filters, loads, and a 3-leg voltage source converter (VSC) with a DC link capacitor. The system with this FNLMS adaptive control algorithm seeks to achieve the objectives of unity power factor (UPF) at the source end, load balancing and reduced total harmonic distortion (THD). These objectives are accomplished by generating controlled switching pulses for the insulated gate bipolar transistor (IGBT) based VSC using hybrid FNLMS algorithm. The efficiency of the proposed algorithm is verified with experimental prototype developed in the laboratory.
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