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Article

Irradiance Sensing through PV Devices: A Sensitivity Analysis

Dipartimento di Ingegneria, Università degli Studi Roma Tre, Via Vito Volterra 62b, 00146 Roma, Italy
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Academic Editor: Fco Javier Rodríguezo
Sensors 2021, 21(13), 4264; https://doi.org/10.3390/s21134264
Received: 12 April 2021 / Revised: 7 June 2021 / Accepted: 15 June 2021 / Published: 22 June 2021
(This article belongs to the Special Issue Solar Irradiance Sensors)
In this work, a sensitivity analysis for the closed-form approach of irradiance sensing through photovoltaic devices is proposed. A lean expression to calculate irradiance on a photovoltaic device, given its operating point, temperature and equivalent circuit model, is proposed. On this expression, the sensitivity towards errors in the measurement of the photovoltaic device operating point and temperature is analyzed, determining optimal conditions to minimize sensitivity. The approach is studied for two scenarios, a stand-alone sensor and irradiance sensing on an operating power-producing photovoltaic device. A low-cost realization of a virtual sensor employing the closed form for monitoring performance of photovoltaic module is also presented, showing the advantage of this kind of simple solution. The proposed solution can be used to create a wireless sensor network for remote monitoring of a photovoltaic plant, assessing both electrical and environmental conditions of the devices in real time. View Full-Text
Keywords: photovoltaics; solar energy; solar irradiance; sensitivity analysis; monitoring photovoltaics; solar energy; solar irradiance; sensitivity analysis; monitoring
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MDPI and ACS Style

Laudani, A.; Lozito, G.M.; Riganti Fulginei, F. Irradiance Sensing through PV Devices: A Sensitivity Analysis. Sensors 2021, 21, 4264. https://doi.org/10.3390/s21134264

AMA Style

Laudani A, Lozito GM, Riganti Fulginei F. Irradiance Sensing through PV Devices: A Sensitivity Analysis. Sensors. 2021; 21(13):4264. https://doi.org/10.3390/s21134264

Chicago/Turabian Style

Laudani, Antonino, Gabriele M. Lozito, and Francesco Riganti Fulginei. 2021. "Irradiance Sensing through PV Devices: A Sensitivity Analysis" Sensors 21, no. 13: 4264. https://doi.org/10.3390/s21134264

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