CN103868990B - 一种在极寒环境下电力变压器油凝冻预警的装置及方法 - Google Patents
一种在极寒环境下电力变压器油凝冻预警的装置及方法 Download PDFInfo
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- CN103868990B CN103868990B CN201410072262.9A CN201410072262A CN103868990B CN 103868990 B CN103868990 B CN 103868990B CN 201410072262 A CN201410072262 A CN 201410072262A CN 103868990 B CN103868990 B CN 103868990B
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1332374A (zh) * | 2001-08-10 | 2002-01-23 | 武汉大学 | 变压器绕组变形超声检测方法及装置 |
CN101067617A (zh) * | 2007-04-06 | 2007-11-07 | 河海大学常州校区 | 变压器油中微水及混合气体超声在线检测方法及装置 |
CN202404070U (zh) * | 2011-12-30 | 2012-08-29 | 昆山和智电气设备有限公司 | 在线监测变压器油中气体含量的系统 |
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JPS58159960A (ja) * | 1982-03-19 | 1983-09-22 | Ishikawajima Harima Heavy Ind Co Ltd | 連続鋳造機における凝固層厚さ検出装置 |
US7758696B2 (en) * | 2007-09-27 | 2010-07-20 | Bp Corporation North America Inc | Methods and systems for monitoring a solid-liquid interface |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1332374A (zh) * | 2001-08-10 | 2002-01-23 | 武汉大学 | 变压器绕组变形超声检测方法及装置 |
CN101067617A (zh) * | 2007-04-06 | 2007-11-07 | 河海大学常州校区 | 变压器油中微水及混合气体超声在线检测方法及装置 |
CN202404070U (zh) * | 2011-12-30 | 2012-08-29 | 昆山和智电气设备有限公司 | 在线监测变压器油中气体含量的系统 |
Non-Patent Citations (2)
Title |
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The measurement of lubricant-film thickness using ultrasound;R.S.Dwyer-Joyce et al.;《Proc. R. Soc. Lond. A》;20030212;第459卷(第2032期);957-976 * |
极寒地区220kV变压器振动测试与分析;王凤良 等;《黑龙江电力》;20130430;第35卷(第2期);166-168、171 * |
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Inventor after: Lai Wenqing Inventor after: Song You Inventor after: Jiang Yi Inventor after: Wang Yonghong Inventor after: Nie Dexin Inventor after: Zhang Junshuang Inventor after: Guo Jingang Inventor after: Zhao Yuchao Inventor after: Shi Haipeng Inventor after: Liang Siyuan Inventor after: Du Zhenbo Inventor before: Wang Yonghong Inventor before: Jiang Yi Inventor before: Nie Dexin Inventor before: Zhang Junshuang Inventor before: Guo Jingang Inventor before: Zhao Yuchao Inventor before: Shi Haipeng Inventor before: Liang Siyuan Inventor before: Du Zhenbo Inventor before: Song You |
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