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Performance enhancement of partially shaded solar PV array using novel shade dispersion technique

Content Provider	Springer Nature Link
Author	Rakesh, Namani Madhavaram, T. Venkata
Copyright Year	2016
Abstract	Solar photo voltaic array (SPVA) generates a smaller amount of power than the standard rating of the panel due to the partial shading effect. Since the modules of the arrays receive different solar irradiations, the P-V characteristics of photovoltaic (PV) arrays contain multiple peaks or local peaks. This paper presents an innovative method (magic square) in order to increase the generated power by configuring the modules of a shaded photovoltaic array. In this approach, the physical location of the modules in the total cross tied (TCT) connected in the solar PV array is rearranged based on the magic square arrangement pattern. This connection is done without altering any electrical configurations of the modules in the PV array. This method can distribute the shading effect over the entire PVarray, without concentrating on any row of modules and can achieve global peaks. For different types of shading patterns, the output power of the solar PV array with the proposed magic square configuration is compared with the traditional configurations and the performance is calculated. This paper presents a new reconfiguration technique for solar PV arrays, which increases the PV power under different shading conditions. The proposed technique facilitates the distribution of the effect of shading over the entire array, thereby, reducing the mismatch losses caused by partial shading. The theoretical calculations are tested through simulations in Matlab/ Simulink to validate the results. A comparison of power loss for different types of topologies under different types of shading patterns for a 4×4 array is also explained.
Starting Page	227
Ending Page	239
Page Count	13
File Format	PDF
ISSN	20951701
Journal	Frontiers of Energy and Power Engineering in China
Volume Number	10
Issue Number	2
e-ISSN	20951698
Language	English
Publisher	Higher Education Press
Publisher Date	2016-04-18
Publisher Institution	Chinese Universities
Publisher Place	Beijing
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	photovoltaic cells mismatch loss shading patterns partial shading magic square power enhancement global peaks and total cross tied (TCT) Energy Technology
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology

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Power Enhancement in Partial Shaded Photovoltaic System Using Spiral Pattern Array Configuration Scheme

Power enhancement of partially shaded PV array by using a novel approach for shade dispersion

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A new technique to enhance output power from solar PV array under different partial shaded conditions

L-Shape Propagated Array Configuration With Dynamic Reconfiguration Algorithm for Enhancing Energy Conversion Rate of Partial Shaded Photovoltaic Systems

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Performance enhancement of partially shaded solar PV array using novel shade dispersion technique

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