ICS29.180 K41 山西机电团体标准 T/SXJD15—2020 工频电流比例计量器具技术条件 TechnicalspecificationofMeasuringInstrumentsforPowerFrequencyCurrentRatio 2020-05-20发布 2020-06-20实施 山西省机械电子工业联合会发布 全国团体标准信息平台 T/SXJD15—2020 I目  次 前言......................................................................................................................................................................II 1范围....................................................................................................................................................................1 2规范性引用文件................................................................................................................................................1 3术语和定义........................................................................................................................................................1 4使用条件............................................................................................................................................................3 4.1实验室环境温度与相对湿度....................................................................................................................3 4.2海拔............................................................................................................................................................3 4.3其他使用条件............................................................................................................................................3 5额定值及性能要求............................................................................................................................................3 5.1额定一次电流标准值................................................................................................................................3 5.2额定二次电流标准值................................................................................................................................3 5.3额定电压....................................................................................................................................................3 5.4额定负荷....................................................................................................................................................3 5.5绝缘要求....................................................................................................................................................4 5.6准确级........................................................................................................................................................4 5.7变比............................................................................................................................................................4 5.8多变比工频电流比例计量器具的准确级................................................................................................4 5.9误差限值....................................................................................................................................................4 5.10升降变差..................................................................................................................................................5 5.11极性..........................................................................................................................................................6 5.12运输振动..................................................................................................................................................6 6结构要求............................................................................................................................................................6 6.1基本结构....................................................................................................................................................6 6.2标志............................................................................................................................................................6 7试验..........................................................................