Design of Instrument Current Transformer by Means of PC

K. Draxler


The principle of design is realization of an instrument current transformer (ICT) with given ratio and burden and with errors which do not exceed given value. It is assumed that the ICT will be realized on a toroidal core made from soft magnetic material so the leakage inductance of secondary winding is negligible. The dependence of apparent permeability and loss angle on the induction is apparent by ICT design. The program makes the calculation of minimum number of ratio windings possible so that the ICT errors do not exceed entered value. The burden and the resistance of secondary winding are respected.


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ISSN 1210-2709 (Print)
ISSN 1805-2363 (Online)
Published by the Czech Technical University in Prague