An Experimental Study to Investigate the Condition of Metal Oxide Surge Arrester under Polluted Environment

Das, Ajanta; Dalai, Sovan; Chatterjee, Biswendu

doi:10.1109/icce50343.2020.9290743

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External Pollution By Gases and Dust1

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2024

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“…According to the manufacturer ABB [26], silicone polymer housings exhibit lower susceptibility to the effects of degradation caused by external contamination. The literature presents several studies that address the effect of pollution on the exterior of the enclosures [27][28][29][30].…”

Section: External Pollution By Gases and Dustmentioning

confidence: 99%

Development of a Low-Energy Mobile Current Waveform Impulse Generator for Application in Low Voltage Surge Arresters

Zacarias,

Martins,

Xavier

et al. 2024

Braz. arch. biol. technol.

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Surge arresters are at the forefront of protection against voltage surges. The loss of the protective effect of surge arresters imposes accidents and unplanned shutdowns on the power system. It directly affects the interruption of power supplies and imposes fines on service providers. Monitoring and diagnostics in the lightning rod field require studies and work that present the degradation behaviour of surge arresters to help develop and improve existing techniques. This paper presents the development of a laboratory with a lowenergy, mobile current waveform impulse generator. It allows for conducting aging tests by applying discharges to low-voltage zinc oxide surge arresters used in the energy distribution sector. Samples of surge arresters were subjected to the discharges produced by the developed generator, and they exhibited degradation, thus showing asymmetry between the positive and negative half-cycles of leakage current.

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Section: External Pollution By Gases and Dustmentioning

confidence: 99%