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[7s, 2012] 

Journal of Electrical Engineering, Vol 63, 7s (2012) 71-74

MEASURING THE REMANENT FACTOR OF TPY CLASS TRANSFORMERS

Karel Draxler - Radek Procházka - Michal Ulvr - Renata Styblíková

   The remanent factor Kr (the ratio between remanent flux density Br and saturation flux density Bm) is an important parameter of TPY class transformers, which are used in protection systems. This paper focuses on a method for measuring the remanent factor Kr from the dynamic hysteresis loop, and on measuring uncertainty determination.

Keywords: remanent flux density, remanent factor, measuring system, hysteresis loop, transformers


[full-paper]


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