NDLI: Performance improvement of dynamic PV array under partial shade conditions using M2 algorithm

Content Provider	IET Digital Library
Author	Manjunath, Matam Reddy, Barry Venugopal Lehman, Brad
Abstract	Photovoltaic (PV) plants operating under the partial shade condition show an imbalance in the array irradiance and produce less output power. To counteract this problem, reconfigurable PV array or dynamic PV array (DPVA) for changing the inter-connections of PV modules to balance the irradiance distribution has been proposed previously. This study introduces a new strategy, the maximum and minimum (M2) algorithm, to identify global maximum irradiance configuration with a minimal number of interchanges among the PV modules. For the implementation of DPVA, this study introduces a double pole double throw (DPDT) switch network (SN) with less switch-count compared to a conventional SN. Simulations of PV array have been carried out on a 9 × 9 size PV array. Results are compared with the previously reported algorithms. Further, cost–benefit analysis of a 10 kWP grid-tied DPVA plant has been presented. Experimental tests on 4 × 2 size DPVA under different shade conditions are conducted to validate the proposed algorithm and DPDT SN.
Starting Page	1239
Ending Page	1249
Page Count	11
ISSN	17521416
Volume Number	13
e-ISSN	17521424
Issue Number	Issue 8, Jun (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/13/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2018.5675
Journal	IET Renewable Power Generation
Publisher Date	2019-02-14
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Array Irradiance Double Pole Double Throw Switch Network Dynamic PV Array Global Maximum Irradiance Configuration Irradiance Distribution M2 Algorithm Maximum-minimum Algorithm P Grid-tied DPVA Plant Partial Shade Condition Photoelectric Conversion Photovoltaic Plant Photovoltaic Power System Power 10 KW Power System Economics Power System Interconnection Power System Managemen Power System Operation PV Module PV Module Interconnections Reconfigurable PV Array Solar Cell And Array Solar Cell Array Solar Power Stations
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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