Analysis of visual discharge activities along polymer insulators

Tjokrodiponto, W.; Sebo, S.A.; Sakich, J.D.; Zhao, Tiebin

doi:10.1109/ceidp.1997.641092

Cited by 8 publications

(1 citation statement)

References 3 publications

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“…Along the whole insulator, there are about 8 discharge spots, and the UV imaging has the trend to connect together. From the current curve, the peak value has reached about 9mA, and the wave form distorted greatly, that is because at the voltage zero crossing, the arc current will greatly decrease [8].…”

Section: Pollution Discharge In Middle Fog Conditionmentioning

confidence: 99%

Study of polymeric insulator external insulation based on UV imaging method

Wang

Lü

Chen

et al. 2009

2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials

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Ultraviolet imaging is a new corona discharge detection method. In this paper, by means of UV imager, in laboratory, the discharge phenomenon is studied, it shows that hardware discharge, and water drop corona, pollution corona are the main discharge forms on the polymeric insulator surface. Further, suing the finite element method, the field distribution is calculated. The leakage current is measure and analysis. Research shows different discharge form, the UV imaging has its character; finally, this paper gives some advice to evaluate the insulation condition.

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Section: Pollution Discharge In Middle Fog Conditionmentioning

confidence: 99%

Study of polymeric insulator external insulation based on UV imaging method

Wang

Lü

Chen

et al. 2009

2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials

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Leakage currents on non-ceramic insulators and materials

Fernando¹,

Gubanski²

1999

IEEE Trans. Dielect. Electr. Insul.

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Utilization of fog chambers for non-ceramic outdoor insulator evaluation

Sebo

Zhao

1999

IEEE Trans. Dielect. Electr. Insul.

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Non-ceramic (polymer, composite) insulators consist of a fiberglass core rod, weathershed housing, and metal end fittings. The housings generally are manufactured from polymeric materials. In service, the weathershed materials may be subject to degradation or aging due to harsh environmental conditions. One of the most commonly used laboratory tests to evaluate the performance of the weathershed materials is to employ fog chambers. Design and operational features of various fog chambers are reviewed in this paper, including size and main layout of fog chambers and their HV sources, data acquisition systems, systems for simultaneous visual observations and electrical measurements, and test cycles and techniques.

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Analysis of visual discharge activities along polymer insulators

Cited by 8 publications

References 3 publications

Study of polymeric insulator external insulation based on UV imaging method

Study of polymeric insulator external insulation based on UV imaging method

Leakage currents on non-ceramic insulators and materials

Utilization of fog chambers for non-ceramic outdoor insulator evaluation

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