書誌事項
- タイトル別名
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- Super High Frequency Wideband Measurement of Partial Discharge Current Waveform in Mineral Oil
- —Difference in PD Phenomena Depending on Degassing Treatment and Polarity Effect—
- —脱気状態と極性効果の相違—
抄録
<p>Liquid insulators have excellent cooling and insulation performance, but impurities and contaminants in the liquid or dissolved gases and moisture are known to have a significant influence on insulation performance. In this paper, using the Super High Frequency-wideband Partial Discharge (PD) current Pulse Waveform measurement system, “SHF_PDPW system”, that the authors have developed and applied to PD measurement in SF6 gas so far, PD current waveforms in mineral oil were investigated in detail. Differences in PD current waveforms due to degassing treatment condition of the mineral oil and polarity effect of applied voltage could be clearly clarified. These differences cannot be observed by ordinary oscilloscopes with analog bandwidths around 1GHz, and are important findings to understand PD phenomena, which were first observed by the super-wideband measurements.</p>
収録刊行物
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- 電気学会論文誌Ｂ（電力・エネルギー部門誌）
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電気学会論文誌Ｂ（電力・エネルギー部門誌） 142 (11), 561-567, 2022-11-01
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390856893076447488
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- ISSN
- 13488147
- 03854213
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- Crossref
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- 抄録ライセンスフラグ
- 使用不可