DL/T 664-2008 带电设备红外诊断应用规范 带电设备红外诊断应用规范 Application rules of infrared diagnosis for live electrical equipment 2008-11-01 实施 代替DL/T664-1999 目 次 前 言...........................................................................................................................................4 1 范围...............................................................................................................................................5 2 规范性引用文件............................................................................................................................5 3 术语和定义...................................................................................................................................5 3.1 温升 temperature rise........................................................................................................5 3.2 温差 temperature difference..............................................................................................6 3.3 相对温差 relative temperature difference.........................................................................6 3.4 环境温度参照体 reference body of ambient temperature.................................................6 3.5 一般检测 normal measurement.........................................................................................6 3.6 精确监测 precise measurement.........................................................................................6 3.7 电压致热型设备 heating of equipment caused by voltage...............................................6 3.8 电流致热型设备 heating of equipment caused by current................................................6 3.9 综合致热型设备 heating of equipment caused by multiple effect....................................7 3.10 噪声等效温差（NETD） noise equivalent temperature difference...............................7 3.11 准确度...
