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高压电器  2015 

溪洛渡GIS断路器断口并联电容介损测试方法研究

DOI: DOI:10.13296/j.1001-1609.hva.2015.08.023, PP. 136-140

Keywords: GIS,单台断路器停电,断口并联电容,介损测量,干扰,中性点,误差

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Abstract:

目前,当GIS断路器单台停电时,由于其两侧相邻的断路器或母线带电运行,该断路器断口并联电容的整体介损tanδ是无法测量的。文中分析了单台断路器停电时断路器断口并联电容整体介损测量的难点,提出了“先接后断”防止高电压、确保安全的方法和采用“形成中性点”消除耦合高压和强电场干扰的技术措施。经试验验证,说明此方法安全可行、实用便捷,具有推广价值。

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