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Title: Distributed electrical network modelling approach for spatially resolved characterisation of photovoltaic modules
Authors: Wu, Xiaofeng
Bliss, Martin
Sinha, Archana
Betts, Thomas R.
Gupta, Rajesh
Gottschalg, Ralph
Issue Date: 2014
Publisher: IET
Citation: WU, X. ... et al., 2014. Distributed electrical network modelling approach for spatially resolved characterisation of photovoltaic modules. IET Renewable Power Generation, 8 (5), pp. 459 - 466.
Abstract: Distributed electrical modelling and simulation plays an important role in investigating local operating points and the overall power generation of photovoltaic (PV) modules. A PV module is a three-dimensional device in which inhomogeneities can cause a non-uniform performance and hence, electrical mismatches which consequently reduce the overall power generation. Distributed modelling and simulation can be used to identify local electrical properties and their impacts on the power output. In this study, a flexible, distributed electrical network modelling approach is presented. The proposed approach introduces a hierarchical architecture built up from the diode model-based sub-cell level to the module level. A PV-oriented nodal analysis solver is developed to enable the spatially resolved quantitative analysis of electrical operating points by given local properties including irradiance, temperature, series resistance, shunt resistance and ideality factor. The approach has been verified by PSpice software. The case studies have shown that this modelling and simulation tool can be used to analyse spatially resolved characterisation results and to predict global and distributed operating points under different conditions.
Description: This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Sponsor: This work has been supported by a joint UK-India initiative in solar energy through a joint project ‘Stability and Performance of Photovoltaics (STAPP)’ funded by Research Councils UK (RCUK) Energy Programme in UK (contract no: EP/H040331/1) and by Department of Science and Technology (DST) in India.
Version: Published
DOI: 10.1049/iet-rpg.2013.0242
URI: https://dspace.lboro.ac.uk/2134/16143
Publisher Link: http://dx.doi.org/10.1049/iet-rpg.2013.0242
ISSN: 1752-1416
Appears in Collections:Published Articles (CREST)
Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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