C. B interrupt duty reduction based controlling TRV and symmetrical breaking current

Shalash, Nadheer A.; Lafta, Yasar N.; Lafta, Mafaza N.

doi:10.1080/23311916.2022.2163114

Cited by 2 publications

(2 citation statements)

References 17 publications

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“…In order to alter the bidirectional power flow in grid-connected hybrid energy systems and produce changeable renewable energy, it can be take the advantage of the adaptive properties of renewable energy sources. The network experiences more minor issues with the operation of grid-connected hybrid energy systems (Shalash et al, 2023). Renewable energy sources may be both used and supplied via the electric system.…”

Section: Power Flow Grid Connected Pv Solar Sourcementioning

confidence: 99%

Reliability assessment of grid-connected multi-inverter for renewable power generation sector

Abed

Mhalla²

2023

AGJSR

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PurposeThe paper aims to present a grid-connected multi-inverter for solar photovoltaic (PV) systems to enhance reliability indices after selected the placement and level of PV solar.Design/methodology/approachIn this study, the associated probability is calculated based on the solar power generation capacity levels and outages conditions. Then, based on this probability, dependability indices like average energy not supplied (AENS), expected energy not supplied and loss of load expectations (LOLE) are computed, also, another indices have been computed such as (customer average interruption duration index (CAIDI), system average interruption frequency index (SAIFI) and system average interruption duration index (SAIDI)) addressing by affected customers with distribution networks reliability assessment, including PV. On the basis of their dependability indices and active power flow, several PV solar modules installed in several places are analyzed. A mechanism for assessing the performance of the grid's integration of renewable energy sources is also under investigation.FindingsThe findings of this study based on data extracted form a PV power plant connected to the power network system in Diyala, Iraq 132 kV, attempts to identify the system's weakest points in order to improve the system's overall dependability. In addition, enhanced reliability indices are given for measuring solar PV systems performance connected to the grid and reviewed for the benefit of the customers.Originality/valueThe main contributions of this study are two methods for determining the reliability of PV generators taking into consideration the system component failure rates and the power electronic component defect rates in a PV system which depend on the power input and the power loss using electrical transient analysis program (ETAP) program.

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Section: Power Flow Grid Connected Pv Solar Sourcementioning

confidence: 99%

Reliability assessment of grid-connected multi-inverter for renewable power generation sector

Abed

Mhalla²

2023

AGJSR

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“…Power electronics are prone to malfunction owing to design flaws and environmental variables [4]. Longevity, dependability, and the safety of the electrical system are all indicators of reliability [5]. A model of hierarchical reliability including all components is used to predict the overall system reliability.…”

Section: Introductionmentioning

confidence: 99%

Reliability Overview of Grid-Connected Solar PV System: A Review

Obatola

2024

AAES

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Photovoltaic generation is the most practical renewable energy alternative since it receives adequate sun irradiation throughout the year. Solar systems are often first modeled using design tools including MATLAB/Simulink to rectify as well as tweak variables to achieve the direct current (DC) as well as voltage requirements with the irradiance as well as ambient high temperature. On simulated systems, reliability tests and analysis are done to determine the performance as well as high durability just before system components fail. This study overviews various systematic methods for evaluating the reliability performance of large-scale grid-connected photovoltaic systems while taking into account variations in power input as well as ambient condition relaying failure rates of critical components such as Photovoltaic module, inverters, switch gears, transformers, and capacitors. The total system dependability also comprises the mean time to failure (MTTF) as well as mean time to repair, MTTR of a power system. An output of photovoltaic electricity fluctuates substantially and is affected by sun temperature and irradiation, giving intermittent as well as variable energy generation. A probabilistic analytical technique is used to analyse an existing model of grid-connected PV systems. The dependability or reliability of a grid connected system is determined by the failure rate, and various PV grid components such as inverters, PV modules, switch gears, transformers, and so on are analyzed using established FMEA and Weibull models. This paper overviews the reliability of solar PV grid-connected systems and identify the factors that affect their performance. The paper provides a review of the current state of research on PV systems, including the components that make up the system, their operation, and the potential failure modes. Additionally, the paper identifies some of the key factors that contribute to the reliability of the solar PV grid-connected system, including environmental factors, design factors, and maintenance strategies.

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C. B interrupt duty reduction based controlling TRV and symmetrical breaking current

Cited by 2 publications

References 17 publications

Reliability assessment of grid-connected multi-inverter for renewable power generation sector

Reliability assessment of grid-connected multi-inverter for renewable power generation sector

Reliability Overview of Grid-Connected Solar PV System: A Review

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