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Enhanced momentum LMS-based control technique for grid-tied solar system
IET Power Electronics ( IF 1.7 ) Pub Date : 2020-10-15 , DOI: 10.1049/iet-pel.2019.1126
Sunaina Singh 1 , Seema Kewat 1 , Bhim Singh 1 , Bijaya K. Panigrahi 1
Affiliation  

This study deals with a single-stage photovoltaic (PV) grid-tied system along with enhanced momentum least mean square (EMLMS) control algorithm, which extracts the fundamental components from the non-linear load currents. Three-phase voltage-source converter with the EMLMS technique, feeds the solar PV power into the grid. Moreover, it is used to reduce the harmonics, load unbalancing and it compensates the reactive power to achieve the unity power factor of the grid currents. Moreover, this control provides the good dynamic response and fast convergence speed with less steady-state error. The main objective of this control algorithm is to provide the sinusoidal and balanced grid currents under steady-state and dynamic conditions. Test results of EMLMS technique are validated on a developed laboratory prototype.

中文翻译:

基于LMS的增强动量的并网太阳能系统控制技术

这项研究涉及单级光伏(PV)并网系统以及增强的动量最小均方(EMLMS)控制算法,该算法从非线性负载电流中提取基本成分。采用EMLMS技术的三相电压源转换器,将太阳能光伏发电馈入电网。此外,它用于减少谐波,负载不平衡,并补偿无功功率以实现电网电流的单位功率因数。而且,该控制提供了良好的动态响应和快速的收敛速度,并且稳态误差较小。该控制算法的主要目的是在稳态和动态条件下提供正弦和平衡的电网电流。EMLMS技术的测试结果已在开发的实验室原型上得到验证。
更新日期:2020-10-16
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