Degradation and fault diagnosis of photovoltaic cells using impedance spectroscopy

Katayama, Noboru; Osawa, Suguru; Matsumoto, Shusaku; Nakano, Takuma; Sugiyama, Mutsumi

doi:10.1016/j.solmat.2019.01.040

Cited by 41 publications

(28 citation statements)

References 28 publications

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“…Grubera et al [6] investigated the influence of unstructured chargeextraction/transport layers on solar cell photocurrent measurements. Katayama et al [7] applied several types of failure and degradation in photovoltaic cells, such as mechanical stress, interconnect ribbon disconnection, and PID, to photovoltaic modules. Herná ndez-Callejo et al [8] reviewed the general operation and the operation of hybrid systems, as well as the power quality.…”

Section: B-double Exponential Model (Dem)mentioning

confidence: 99%

Study of Models Using One or Two Exponentials to Simulate the Characteristic Current-voltage of Silicon Solar Cells

Sari-Ali¹,

Benyoucef²,

Chikh-Bled³

et al. 2019

EJEE

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The production of electricity based on the conversion of the sunlight by photocells crystalline silicon is the most way using on technological and industrial plan. As a consequence, the development of the applications of energy production requires cells with high efficiency and low cost. We propose two models using either one or two exponentials allowing to simulate the characteristic current-voltage of a solar cell. The goal of our work is to present a comparative study between the model theoretical and experimental aiming at the improvement of the solar cell efficiency. We also determine the parameters of the solar cell from the current-voltage curve. Additionally, we provide a justification for using the two exponential models for improving the cell efficiency. The model with two exponential allowing to investigate the phenomena of recombination in zone of diffusion and space charge in the areas quasi-neutrals of the transmitter and the base. This study underlines the insufficiency of the model to exponential generally used by showing that it leads to the design of the ideal solar cells whereas structures characterized by a factor of quality greater outcome with high efficiency.

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Section: B-double Exponential Model (Dem)mentioning

confidence: 99%

Study of Models Using One or Two Exponentials to Simulate the Characteristic Current-voltage of Silicon Solar Cells

Sari-Ali¹,

Benyoucef²,

Chikh-Bled³

et al. 2019

EJEE

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“…Application of the nanotechnology in photovoltaics should be emphasized [15], especially the various functional nanofibers due to the high geometric potential of nanofibers [16][17][18]. Modern materials are characterized by increasing efficiency, lower price and a greater durability to weather conditions which may lead to a degradation in photovoltaic system performance [19]. Therefore, the mechanisms of degradation should be thoroughly understood in order to effectively counteract them [20].…”

Section: Introductionmentioning

confidence: 99%

Charging electric cars as a way to increase the use of energy produced from RES

2020

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AbstractThe article contains an analysis of charging electric cars as a way to increase the use of energy produced from a photovoltaic system. A photovoltaic system is described, consisting of two micro installations, with a power output of up to 40 kWp each, supplying two sectors of the building of the Lublin Science and Technology Park. An internet platform for monitoring the operation of a photovoltaic system is presented. Next, an innovative system for monitoring, consumption and production analysis of electric energy in individual building sectors is described. A surplus of energy produced in one of the sectors was found. It was proposed that this excess energy would be used to charge electric vehicles. An analysis of the surplus power generated by the photovoltaic system in excess of the energy consumed by the building sector was used to determine the power available to the wall charger. The surplus of energy produced was used for calculations related to the amount of charging the electric vehicle required and the cost of traveling 100 km. Charging an electric car not only provides a faster return on investment in the installation, but also presents drivers with a very ecological and economical transport solution.

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“…The evaluations in most of the above work in [3,[5][6][7][8][9][10] are through using the I-V and P-V curves to indicate the output power generation capability, which is the static behaviour of PV panels. An alternative is to use impedance spectroscopy [11][12][13][14][15], which reflects the dynamic behaviour of a cracked PV panel. In [11], the dynamic impedance of a PV module is derived and verified, which shows dependency on bias voltage and frequency.…”

Section: Introductionmentioning

confidence: 99%

“…Changes of high‐frequency AC capacitance and low‐frequency DC resistance are compared. In [15], impedance spectroscopy is used to detect faulty and degraded PV cells, such as mechanical stress and PV cells with interconnect ribbon disconnection. The Nyquist plots then compare with the measured I – V curve.…”

Section: Introductionmentioning

confidence: 99%

Experimental study of static and dynamic behaviours of cracked PV panels

Al-Soeidat

Tian

et al. 2019

IET Renewable Power Generation

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Solar cell power performance is greatly affected by two critical factors ageing and crack. In order to mitigate their negative effects on the solar system, these cells are to be substituted by new cells, thus, replacing the panels. This study presents an active crack detection method that detects the cracked cells within a solar string by using AC parameter characterisation without a need to have a physical inspection. The mathematical module of the solar cell shows that it constitutes of series and parallel resistors in addition to a parallel capacitor and that their values change by ageing and crack. In addition to studying the effects of the crack on the solar cell, it is verified by the experiment that the solar cells behave as a capacitive circuit, and their capacitance increases when the cell gets cracked, getting higher as the crack becomes more serious. The experiment is extended to investigate the effect of series and parallel PV strings, which are affected by cracked and partially shaded cells to evaluate their criticality levels. By monitoring the AC parameter of the solar cell and the change of the capacitance, it is easy to detect the crack when it occurs.

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Degradation and fault diagnosis of photovoltaic cells using impedance spectroscopy

Cited by 41 publications

References 28 publications

Study of Models Using One or Two Exponentials to Simulate the Characteristic Current-voltage of Silicon Solar Cells

Study of Models Using One or Two Exponentials to Simulate the Characteristic Current-voltage of Silicon Solar Cells

Charging electric cars as a way to increase the use of energy produced from RES

Experimental study of static and dynamic behaviours of cracked PV panels

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