A novel power incremental GMPPT method based on modified voltage lines for photovoltaic system

Li, Xingshuo, Wen, Huiqing, Du, Yang, Jiang, Lin, Hu, Yihua, and Xiao, Weidong (2018) A novel power incremental GMPPT method based on modified voltage lines for photovoltaic system. In: Proceedings of the International Conference on Power Electronics, Drives and Energy Systems. From: PEDES 2018: IEEE International Conference on Power Electronics, Drives and Energy Systems, 18-21 December 2018, Chennai, India.

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Abstract

Under the partial shading conditions (PSC), the characteristics of PV arrays show multiple maximum power points (MPPs). Conventional global maximum power point tracking (GMPPT) method generally assume all peaks approximatively locating at the multiple of 0.8V oc . However, it has been proven it is not really accurate. In this paper, an explicit expression of modified voltage lines for the multiple MPPs is derived, which is more accurate than the 0.8V oc model. Based on the modified voltage lines, a novel power incremental GMPPT method is proposed. The searching area can be gradually reduced by an incremental power line.

Item ID: 58438
Item Type: Conference Item (Research - E1)
ISBN: 978-1-5386-9316-2
Date Deposited: 10 Jul 2019 02:28
FoR Codes: 09 ENGINEERING > 0906 Electrical and Electronic Engineering > 090608 Renewable Power and Energy Systems Engineering (excl Solar Cells) @ 100%
SEO Codes: 85 ENERGY > 8505 Renewable Energy > 850504 Solar-Photovoltaic Energy @ 100%
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