规范《DL506-1992-六氟化硫气体绝缘设备中水分含量现场测量方法》.pdfVIP

六氟化硫气体绝缘设备中 水分含量现场测量方法 DL506- 1992 目 次 1 适用范围·················································，···············.······················…… 1151 2 引用标准 ·················································································.·······…… 1151 3 名词术语 ·····················································，····································…… 1151 4对测量仪器的要求···········································································…·… 1152 5 测量方法 ················································.··········，····························…… 1152 6测量管路与测量接头······································，································…… 1154 7 测量注意事项·······························，··，·····，，，， ，··，························一 1155 8测量结果报告··············，·····································································…… 1155 附录A 微量水分测量仪校验数据的处理 ·················································……1155 附录B 气体中水分含量测量计算公式 ····················································…… 1156 附录C 冰面上的饱和蒸汽压 ··········································.···…·…，…… 1157 1150 中华人民共和国电力行业标准 六氟化硫气体绝缘设备中 DL 506- 1992 水分含a现场测A方法 适用范围 本标准适用于六氟化硫气体绝缘设备在交接试验及运行中的预防性试验时绝缘气体中水 分含量的测量。 2 引用标准 GB8905-1988 六氟化硫电气设备中气体管理和检测导则 GB5832.1-5832.2-1986 气体中微量水分的测定 JJG1012-1987 常用计量名词术语及其定义 3 名词术语 3.1水蒸气 (watervapour) 亦称水气。水的气体，由水汽化或冰升华而成。 3.2湿度 (humidity) 气体中水蒸气的含量。 3.3 湿气 (wetges) 干气和水蒸气组成的混合物。 3.4露点温度 (dew-pointtemperature) 在一定的压力下，湿气被水面饱和时的温度。 3.5霜点温度 (frost-pointtempetature) 在一定压力下，湿气被冰面所饱和时的温度。 3.6水蒸气压力 (watervapourpressure) 湿气 (体积为v,温度为T)中的水蒸气于相同体积 v,温度T条件下单独存在时的 压力，称为水蒸气分压力。 3.7饱和水燕气压 (saturationwatervapourpressure) 水蒸气与水 (或冰)面共处于相平衡时的水蒸气压。 3.8 质量混合比(mixingratio) 湿气中水蒸气的质量与千气的质量之比。 3.9 重量比(weightratio) 质量混合比乘以101. 中华人民共和国能源部 1992-12-31批准