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电气仪表柜大量应用于电力系统及生产制造企业的电流、电压的监控工作,由于工作的特殊性,其多数要求连续不断电作业,因此其量值溯源问题一直倍受关注。文章主要对电气仪表的计量特性及在线校准方法进行了分析和探讨。
Due to the particularity of the work, most of the electrical instrument cabinets are used in the monitoring of the current and voltage in the power system and manufacturing enterprises. Most of them require continuous operation without interruption, so the problem of traceability of their value has drawn much attention. The article mainly analyzes and discusses the measurement characteristics of electric instruments and on-line calibration methods.