Representation of the Magnetization Characteristic of DC Machines for Computer Use
- 1 March 1968
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-87 (3) , 665-669
- https://doi.org/10.1109/tpas.1968.292178
Abstract
The calculation of flux densities in dc machines using digital computers requires a representation of the magnetization curve of the materials either as H = f1(B) or B = f2(H). A figure of merit of the approximation is defined. The representation can be achieved by the use of simple algebraic or transcendental functions. For satisfactory fit, however, the B-H characteristic has to be subdivided into several parts. As a better alternative a numerical method is proposed in which the magnetization curve is subdivided into a large number of sections. A method of linear interpolation is then employed. A computer program to accomplish this task is described.Keywords
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