Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/106330
Title: A novel ant colony optimization-based maximum power point tracking for photovoltaic systems under partially shaded conditions
Authors: Jiang, Lian Lian.
Maskell, Douglas L.
Patra, Jagdish C.
Keywords: DRNTU::Science::Mathematics::Applied mathematics::Optimization
Issue Date: 2012
Source: Jiang, L. L., Maskell, D. L., & Patra, J. C. (2013). A novel ant colony optimization-based maximum power point tracking for photovoltaic systems under partially shaded conditions. Energy and buildings, 58, 227-236.
Series/Report no.: Energy and buildings
Abstract: In order to achieve maximum efficiency a photovoltaic (PV) arrays should operate at their maximum power point (MPP). Therefore, an MPP tracking (MPPT) scheme is implemented between the PV system and the load to obtain maximum power. When the irradiance distribution on the PV arrays is uniform, many traditional MPPT techniques can track the MPP effectively. However, when the PV arrays are partially shaded, multiple MPPs show up, which usually results in the failure of finding the global MPP. Some researchers have reported this problem and tried to solve it, but most of the MPP control schemes are relatively complicated or fail to guarantee the MPP under all shading circumstances. In order to overcome this difficulty, this paper presents a novel ant colony optimization (ACO)-based MPPT scheme for PV systems. A new control scheme is also introduced based on the proposed MPPT method. This heuristic algorithm based technique not only ensures the ability to find the global MPP, but also gives a simpler control scheme and lower system cost. The feasibility of this proposed method is verified with the irradiance of various shading patterns by simulation. In addition, the performance comparison with other traditional MPPT techniques, such as: constant voltage tracking (CVT), perturb and observe (P&O), particle swarm optimization (PSO), is also presented. The results show that the proposed algorithm can track the global MPP effectively, and is robust to various shading patterns.
URI: https://hdl.handle.net/10356/106330
http://hdl.handle.net/10220/17678
ISSN: 0378-7788
DOI: 10.1016/j.enbuild.2012.12.001
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCSE Journal Articles

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