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一种用于光伏系统的新型开环跟踪策略。

A novel open-loop tracking strategy for photovoltaic systems.

作者信息

Alexandru Cătălin

机构信息

Transilvania University of Braşov, Boulevard Eroilor Nr. 29, 500036 Braşov, Romania.

出版信息

ScientificWorldJournal. 2013 Nov 12;2013:205396. doi: 10.1155/2013/205396. eCollection 2013.

DOI:10.1155/2013/205396
PMID:24327803
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3845627/
Abstract

This paper approaches a dual-axis equatorial tracking system that is used to increase the photovoltaic efficiency by maximizing the degree of use of the solar radiation. The innovative aspect in the solar tracker design consists in considering the tracking mechanism as a perturbation for the DC motors. The goal is to control the DC motors, which are perturbed with the motor torques whose computation is based on the dynamic model of the mechanical structure on which external forces act. The daily and elevation angles of the PV module represent the input parameters in the mechanical device, while the outputs transmitted to the controller are the motor torques. The controller tuning is approached by a parametric optimization process, using design of experiments and response surface methodology techniques, in a multiple regression. The simulation and experimental results demonstrate the operational performance of the tracking system.

摘要

本文探讨了一种双轴赤道跟踪系统，该系统用于通过最大限度地利用太阳辐射来提高光伏效率。太阳能跟踪器设计的创新之处在于将跟踪机构视为直流电机的一种扰动。目标是控制直流电机，这些电机受到电机转矩的扰动，而电机转矩的计算基于外力作用的机械结构的动态模型。光伏模块的日角和仰角是机械设备中的输入参数，而传输到控制器的输出是电机转矩。通过参数优化过程，采用实验设计和响应面方法技术，在多元回归中进行控制器调谐。仿真和实验结果证明了跟踪系统的运行性能。

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本文引用的文献

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2
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ScientificWorldJournal. 2013 May 13;2013:815280. doi: 10.1155/2013/815280. Print 2013.