Abstract
The article describes a methods for calibrating the instrument transformers in selected national metrological institutions (GUM in Poland, ČMI in the Czech Republic, PTB in Germany).
Authors Grzegorz Sadkowski, Bogusław Pączek, Leszek Kotkiewicz - Central Office of Measures (Główny Urząd Miar)
The article describes a methods for calibrating the instrument transformers in selected national metrological institutions (GUM in Poland, ČMI in the Czech Republic, PTB in Germany).
[1] Instrukcja obsługi Kompensatora KLW.
[2] PTB Testing Instructions. Instrument Transformers, Physikalisch-Technische Bundesanstalt 1977.
[3] E. Mohns, G. Roeissle, W. G. Kurten Ihnenfld: PTB Instrument Transformer Burden Measurement System.
[4] K.Draxler, R. Styblikova, M. Ulvr: Advanced Procedures for Calibration of Instrument transformer Burdens.


