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Content Provider | IET Digital Library |
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Author | Tekumalla, Dinesh Varma Pal, Diptendu Bajpai, Prabodh |
Abstract | This study presents a year-long comprehensive performance analysis of four distinct solar photovoltaic (SPV) system configurations with central inverter, micro inverter, fixed axis structure and dual axis sun tracker (DAST) structure installed at the Indian Institute of Technology Kharagpur, West Bengal, India. Technical and economic performance indices are used to analyse the impact of inverter technology and DAST structure using field data of one year. Specifically, technical parameters specified by IEC 61724 are used to compare simulated results with field data from June 2017 to May 2018. The difference between the simulated and measured values of all the configurations is mostly attributed to the variation in solar irradiance and module temperature data. For simulation study, daily and monthly average values are considered while daily instantaneous data are used for measured values. Comparison of measured values through energy yield, capacity factor and performance ratio (PR) indices has confirmed the superiority of dual axis micro inverter system configuration. Additionally, the impact of seasonal variation on PR values for all four system configurations is also analysed. Economic performance for 25 years of project life using payback period, net present value and levelised cost of energy indices concludes dual axis central inverter system configuration as the most economical. |
Starting Page | 1261 |
Ending Page | 1270 |
Page Count | 10 |
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.2018.5729 |
Journal | IET Renewable Power Generation |
Publisher Date | 2019-02-19 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | DAST Structure Distinct Solar Photovoltaic System Configurations Dual Axis Central Inverter System Configuration Dual Axis Microinverter System Configuration Energy Indices Fixed Axis Structure Inverter Technology Invertors Module Temperature Data Net Present Value Photovoltaic Power System Power Electronics Power Supply PR Value Solar Irradiance Solar Power Stations SPV System Configurations Supervisory Circuit |
Content Type | Text |
Resource Type | Article |
Subject | Renewable Energy, Sustainability and the Environment |
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