Assessment Study of Aging Life for Typical Defects in XLPE Cable Joints

Sun, Changhai; Wang, Chunfeng

doi:10.1109/aemcse50948.2020.00169

Cited by 3 publications

(3 citation statements)

References 3 publications

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“…By mathematically fitting a regression line to the experimentally determined Arrhenius plot data and considering its slope and y-intercept, the parameters E a , k parametrizing the thermal aging model are established. Experiments relying and implementing this methodology were carried out by [54,[63][64][65]. The previously referenced transformer standards describing loading behavior do not exist for XLPE cables.…”

Section: Thermal Aging Of Operating Equipmentmentioning

confidence: 99%

“…Alternatively, the models best fitting the generally accepted and quoted life expectancy (at rated conditions) of 30-40 years [67] are averaged and used for the load-dependent assessment of XLPE cables within the research project. In this context, the model parameters provided by [63,65,66] are referenced. The thermal aging models of both cable types require the cable's conductor temperature Θ c as an input variable.…”

Section: Thermal Aging Of Operating Equipmentmentioning

confidence: 99%

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State-Space Load Flow Calculation of an Energy System with Sector-Coupling Technologies

Bottler

Weindl

2023

Energies

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This paper addresses the sector-coupling principle, highlights each associated sector’s technologies and showcases their future development, according to the German grid development plan. Furthermore, the research project ESM-Regio, and its goals in terms of simulatively analyzing the sector-coupling approach for a specific model region and future scenarios, is introduced. In this context, the key methods for modeling the electricity sector’s loading behavior are showcased. Most importantly, the state-space load flow calculation, load modeling (including the integration of the power demands of the sector-coupling technologies) and an assessment of grid operating equipment, based on thermal aging models, are described.

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Section: Thermal Aging Of Operating Equipmentmentioning

confidence: 99%

Section: Thermal Aging Of Operating Equipmentmentioning

confidence: 99%

State-Space Load Flow Calculation of an Energy System with Sector-Coupling Technologies

Bottler

Weindl

2023

Energies

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show abstract

“…Commonly used cable materials are ethylene propylene diene methylene and polyolefin [15][16][17][18][19][20][21] . This paper selects representative organic materials for cable insulation-polyethylene (XLPE) and ethylene propylene diene methylene (EPDM), After high-dose rate aging in the laboratory, the performance test before and after irradiation is carried out.…”

Section: Introductionmentioning

confidence: 99%

Study on radiation degradation of nuclear power cable materials

Liu

Zhang

et al. 2022

J. Phys.: Conf. Ser.

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During the operation of nuclear power plants, it is necessary to monitor and evaluate the aging of cable materials. In this paper, we evaluate the irradiated use status of two types of cable insulation materials used in nuclear power plants-cross-linked polyethylene (XLPE) and ethylene propylene diene methylene (EPDM). Firstly, two kinds of cable materials are subjected to accelerated radiation aging with different cumulative doses, and the macro-mechanical properties and microstructure changes of the cable materials after different doses are studied. Analyze and test its hardness value, tensile strength, elongation retention at the break, scanning electron microscope, and oxidation induction temperature. The results show that after γ-ray irradiation, the cable hardness and the retention rate of elongation at break show a downward trend. Under the highest cumulative dose of 500kGy, the retention rate of elongation at break is greater than 50% of the failure index. The tensile strength decreases slightly, the microscopic morphology of the tensile section has holes, and the oxidation induction temperature decreases.

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XLPE cable joint defects measurement method based on point cloud remapping

Deng,

Liu

et al. 2024

Measurement

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Assessment Study of Aging Life for Typical Defects in XLPE Cable Joints

Cited by 3 publications

References 3 publications

State-Space Load Flow Calculation of an Energy System with Sector-Coupling Technologies

State-Space Load Flow Calculation of an Energy System with Sector-Coupling Technologies

Study on radiation degradation of nuclear power cable materials

XLPE cable joint defects measurement method based on point cloud remapping

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