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Control of DSTATCOM using nonparametric variable step-size NLMS: An experimental study
Electric Power Systems Research ( IF 3.3 ) Pub Date : 2021-06-15 , DOI: 10.1016/j.epsr.2021.107411
Manoj Badoni , Alka Singh , Sunil Semwal , Yogesh Tatte

The development of distribution static compensator (DSTATCOM) using nonparametric variable step-size normalized least mean square (NPVSS-NLMS) based control technique is presented in this paper. Numerous features of DSTATCOM such as harmonic alleviation, reactive power compensation and load balancing are demonstrated using NPVSS-NLMS controller. The laboratory prototype of shunt compensator is developed using a dSPACE DS1104 R&D controller having TMS320F240 as a slave DSP. Both MATLAB/SIMULINK based simulations and experimental test results are presented for demonstrating the steady state as well as dynamic performance of DSTATCOM. The developed control technique is compared with variable step size LMS (VSS-LMS) and modern control techniques viz. sliding mode controller (SMC) and model predictive control (MPC) in terms of filter type, weight convergence, complexity, harmonic compensation and sampling time taken. The NPVSS-NLMS based control algorithm for shunt compensator is performing satisfactory in all the above mentioned terms over conventional VSS-LMS controller. The scheme is found to be effective in reducing the total harmonic distortion (THD) of supply current as per IEEE-519 standard.



中文翻译:

使用非参数可变步长 NLMS 控制 DSTATCOM:一项实验研究

本文介绍了使用基于非参数可变步长归一化最小均方 (NPVSS-NLMS) 的控制技术开发分布式静态补偿器 (DSTATCOM)。使用 NPVSS-NLMS 控制器演示了 DSTATCOM 的众多功能,例如谐波缓解、无功功率补偿和负载平衡。并联补偿器的实验室原型是使用具有 TMS320F240 作为从属 DSP 的 dSPACE DS1104 研发控制器开发的。提供了基于 MATLAB/SIMULINK 的仿真和实验测试结果,用于演示 DSTATCOM 的稳态和动态性能。将开发的控制技术与可变步长 LMS (VSS-LMS) 和现代控制技术进行比较。就滤波器类型而言,滑模控制器(SMC)和模型预测控制(MPC),权重收敛、复杂度、谐波补偿和采样时间。基于 NPVSS-NLMS 的并联补偿器控制算法在上述所有方面均优于传统 VSS-LMS 控制器。根据 IEEE-519 标准,发现该方案可有效降低电源电流的总谐波失真 (THD)。

更新日期:2021-06-15
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