互感器检定标准互感器检定规程QGDW690—2011电子式互感器现场校验规范.pdf

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互感器检定标准互感器检定规程QGDW690—2011电子式互感器现场校验规范.pdf

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ICS 29.240 Q/GDW 国家电网公司企业标准 Q / GDW 690— 2011 电子式互感器现场校验规范 Specification for the site verification of electronic transformers 2012-06-06发布 2012-06-06实施国家电网公司发布星龙科技主营单、三相标准源、合并单元校验仪、电子式互感器校验仪、数字化电能表校验仪、直流电能表检定装置、充电桩校验仪等产品。星龙科技主营单、三相标准源、合并单元校验仪、电子式互感器校验仪、数字化电能表校验仪、直流电能表检定装置、充电桩校验仪等产品。 Q / GDW 690 — 2011 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 技术要求······················································································································································ 2 4.1 误差限值 ········································································································································································· 2 4.2 测量用电子式电压互感器 ·············································································································································· 2 5 校验设备和条件 ···················