Abstract
The finite element technique was used to analyse an on-line power loss testing system based on the Rogowski- Chattock potentiometer (RCP) compensation method for use on grain-oriented electrical steel production lines. The main magnetisation and the compensation windings of the model were energised with the current values obtained from the practical model to produce a spatial magnetic flux density of 1.7 T in a 0.27 mm grain-oriented silicon iron steel sheet specimen (27M4). The computed and measured values of the magnetising force and the induced flux density in the sample showed good agreements. The model was solved for different magnetising and compensating current values, and the best magnetisation condition was achieved when the compensation current was twice that of the magnetising current.
Published Version
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