Performance of Contaminated Bushing of UHV Transmission Systems

Ueda, Masami; Honda, Masaki; Hosokawa, Masao; Takahashi, Koji; Naito, K.

doi:10.1109/tpas.1985.319090

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Analysis Of the Electric Field1

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1988

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Cited by 16 publications

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“…The flashover in oil b e l o n~s to a streamer discharge [4], the occurance of this streamer discharge is determined by the maximum stress, its spreading is determined by the tangential stress. The higher the tangential stress, the easier the discharge spreading.…”

Section: Analysis Of the Electric Fieldmentioning

confidence: 99%

Optimal design of HV transformer bushing

Zhu

Jicun²,

Zhao³

[1991] Proceedings of the 3rd International Conference on Properties and Applications of Dielectric Materials

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Based on the operation experience, the analyses of the electric field distribution in lower part of the bushing and the design method used in condenser body, it is found that for HV transformer bushings the flashover voltage in oil and the partial discharge inception voltage(PD1V) are usually lower.Two measures are suggested for improving the properties, namely, a new kind of design method and the optimized shapes are used. The measures are successful verified by partial discharge(PD) measurements and flashover tests carried out on the real bushings.

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Section: Analysis Of the Electric Fieldmentioning

confidence: 99%