Reliability qualification of photovoltaic smart panel electronics

Chaparala, P.; Li, Erhong; Bhola, Sameer

doi:10.1109/ipfa.2010.5531993

Cited by 11 publications

(6 citation statements)

References 5 publications

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“…Current advancements in the performance evaluation of PV systems show an increased focus on assessing the reliability of PV cells [4], solar panels [5], solar probes [6], solar roadways [7], solar inverter equipment [8,9], and entire PV systems with and without accumulator [10]. Additionally, by assessing the reliability of modern PV systems, the authors in [11][12][13][14] aim to evaluate the performance output of their proposed PV equipment.…”

Section: Framework Of Pv Systems Assessmentmentioning

confidence: 99%

Improving the Solar Reliability Factor of a Dual-Axis Solar Tracking System Using Energy-Efficient Testing Solutions

et al. 2021

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This paper presents an improved mathematical model for calculating the solar test factor (STF) and solar reliability factor (SRF) of a photovoltaic (PV) automated equipment. By employing a unified metrics system and a combined testing suite encompassing various energy-efficient testing techniques, the aim of this paper is to determine a general fault coverage and improve the global SRF of a closed-loop dual-axis solar tracking system. Accelerated testing coupled with reliability analysis are essential tools for assessing the performance of modern solar tracking devices since PV system malfunctioning is directly connected to economic loss, which is an important aspect for the solar energy domain. The experimental results show that the unified metrics system is potentially suitable for assessing the reliability evaluation of many types of solar tracking systems. Additionally, the proposed combined testing platform proves efficient regarding fault coverage (overall coverage of 66.35% for all test scenarios), test time (an average of 275 min for 2864 test cycles), and power consumption (zero costs regarding electricity consumption for all considered test cases) points of view.

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Section: Framework Of Pv Systems Assessmentmentioning

confidence: 99%

Improving the Solar Reliability Factor of a Dual-Axis Solar Tracking System Using Energy-Efficient Testing Solutions

et al. 2021

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“…The commercially available PV modules are typically offered with a 25-year performance warranty and constitute the most reliable component of a PV system [10]. In contrast, according to the analysis presented in [11] where both wearout mechanisms of the components (due to stress factors such as, e.g., the operating temperature) and failures due to inadequate protection (e.g., from surge voltages of the electric grid) were taken into account, the PV inverters are considered as the most vulnerable subsystem of a PV plant.…”

Section: Introductionmentioning

confidence: 99%

Design Optimization of Transformerless Grid-Connected PV Inverters Including Reliability

Koutroulis

Blaabjerg

2013

IEEE Trans. Power Electron.

194

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This paper presents a new methodology for optimal design of transformerless photovoltaic (PV) inverters targeting a cost-effective deployment of grid-connected PV systems. The optimal switching frequency as well as the optimal values and types of the PV inverter components is calculated such that the PV inverter LCOE generated during the PV system lifetime period is minimized. The LCOE is also calculated considering the failure rates of the components, which affect the reliability performance and lifetime maintenance cost of the PV inverter. A design example is presented, demonstrating that compared to the nonoptimized PV inverter structures, the PV inverters designed using the proposed optimization methodology exhibit lower total manufacturing and lifetime maintenance cost and inject more energy into the electricgrid and by that minimizing LCOE.Index Terms-DC-AC power conversion, failure analysis, optimization methods, photovoltaic (PV) power systems, reliability.

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“…It is widely assumed that the typical lifetime of commercial PV panels is about 25 years [5], [6], although such data are yet to be confirmed with field data spanning over such time scale and taken from recently built large solar power stations.…”

Section: Introductionmentioning

confidence: 99%

Performance Evaluation of Three-Phase Grid-Connected Photovoltaic Inverters Using Electrolytic or Polypropylene Film Capacitors

Karanayil

Agelidis

Pou

2014

IEEE Trans. Sustain. Energy

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In grid-connected photovoltaic (PV) power stations, improving the life expectancy and long-term reliability of threephase PV inverters is urgently needed to match the significantly higher lifetime of the PV modules. A key contribution toward such improvement is replacing the conventional electrolytic film capacitors by metallized polypropylene film ones. This paper presents a detailed evaluation of a conventional three-phase grid-connected PV inverter performance when replacing the electrolytic capacitor with a minimum value of metallized polypropylene film capacitor. Although the minimum dc bus capacitance leads to higher voltage ripples, such ripples were found to be within acceptable limits to operate the inverter satisfactorily. Simulation and experimental results are presented for a 5-kW grid-connected inverter prototype with a nominal dc voltage of 457 V to confirm the theoretical considerations.Index Terms-Electrolytic capacitor, grid-connected inverters, metallized polypropylene film capacitor, photovoltaic (PV) systems.

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Reliability qualification of photovoltaic smart panel electronics

Cited by 11 publications

References 5 publications

Improving the Solar Reliability Factor of a Dual-Axis Solar Tracking System Using Energy-Efficient Testing Solutions

Improving the Solar Reliability Factor of a Dual-Axis Solar Tracking System Using Energy-Efficient Testing Solutions

Design Optimization of Transformerless Grid-Connected PV Inverters Including Reliability

Performance Evaluation of Three-Phase Grid-Connected Photovoltaic Inverters Using Electrolytic or Polypropylene Film Capacitors

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