Irradiance Sensing through PV Devices: A Sensitivity Analysis

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,...

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Published in:Sensors (Basel, Switzerland) Switzerland), 2021-06, Vol.21 (13), p.4264
Main Authors: Laudani, Antonino, Lozito, Gabriele Maria, Riganti Fulginei, Francesco
Format: Article
Language:English
Subjects:
Behavior
Energy
Equivalent circuits
Exact solutions
Forecasting techniques
Irradiance
monitoring
Monitoring systems
photovoltaics
Radiation
Remote monitoring
Remote sensors
Sensitivity analysis
Sensors
solar energy
solar irradiance
Virtual sensors
Weather
Wireless sensor networks
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cited_by cdi_FETCH-LOGICAL-c446t-c7d780e1840bb7996c3f27af74b25877edfb9d7d8f5adf7626759b8941ff4bff3
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creator Laudani, Antonino
Lozito, Gabriele Maria
Riganti Fulginei, Francesco
description 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.
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subjects Behavior
Energy
Equivalent circuits
Exact solutions
Forecasting techniques
Irradiance
monitoring
Monitoring systems
photovoltaics
Radiation
Remote monitoring
Remote sensors
Sensitivity analysis
Sensors
solar energy
solar irradiance
Virtual sensors
Weather
Wireless sensor networks
title Irradiance Sensing through PV Devices: A Sensitivity Analysis
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