This paper introduces the main equipment of single-ring type sealing oil system ,summarizes four kinds of opera-tion mode ,anayzes common problems and processing meth-ods about oil of genarator ,bad sealing effects ,vaccum oil chest problem , aiming at the characteristics of single-ring sealing oil system ,proposes the process should be mentioned during operation .%介绍发电机单流环密封油系统的主要设备和4种运行方式,分析发电机进油、密封效果差、真空油箱故障等密封油系统的常见问题及处理方法,并针对单流环密封油系统的特点,提出操作过程中应注意的问题。
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