Gert Rietveld, Fatou Diouf, Xiaodong Guo, and Eddy So, “The Establishment of a Reference System at VSL for On-Site Calibration of HV Revenue Metering Systems”, Submitted for publication in the Proceedings of the 2012 Conference on Precision Electromagnetic Measurements, Washington, US (2012).
The development of a reference system for on-site calibration of revenue metering systems in high voltage grids is described. The system consists of a three-phase power meter and
high-accuracy current and voltage transformers (CTs and VTs). Measurements can be made up to 150 kV (system voltage) and line currents up to 5000 A. The initial characterization of the
power meter and the CTs give excellent results, indicating that an overall system uncertainty of 200 W/VA can be achieved.
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