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A modified cat swarm optimization based maximum power point tracking method for photovoltaic system under partially shaded condition

机译:一种改进的基于猫群优化的部分阴影条件下光伏系统最大功率点跟踪方法

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摘要

When photovoltaic (PV) array is operated under partially shaded condition (PSC), power-voltage curve will show multiply peaks. This causes the inability of conventional maximum power point tracking (MPPT) methods such as hill climbing (HC). To deal with this problem, this paper proposes a new MPPT method based on a modified cat swarm optimization (MCSO) to achieve global maximum power point (GMPP) tracking. To assess the performance of proposed method, different simulations and experiments have been carried out. The proposed method can successfully track GMPP under different PSCs. Furthermore, MCSO based MPPT method shows a high tracking accuracy and convergence speed as compared with other MPPT methods. (C) 2017 Elsevier Ltd. All rights reserved.
机译:当光伏(PV)阵列在部分阴影条件(PSC)下运行时,功率-电压曲线将显示倍增峰。这导致传统的最大功率点跟踪(MPPT)方法(例如,爬山(HC))无法使用。为了解决这个问题,本文提出了一种新的基于改进的猫群优化(MCSO)的MPPT方法,以实现全局最大功率点(GMPP)跟踪。为了评估所提出方法的性能,已进行了不同的模拟和实验。该方法可以成功跟踪不同PSC下的GMPP。此外,与其他MPPT方法相比,基于MCSO的MPPT方法具有较高的跟踪精度和收敛速度。 (C)2017 Elsevier Ltd.保留所有权利。

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