A computational technique of prediction of magnetising inrush current at various switching conditions is described. An improved modelling of B/H curve of electrical steel is presented. The effects of varying switching angles on the voltage wave, the energising circuit impedance and the remanent flux density are discussed. The effects of other parameters, such as the winding space factor and energising winding length, which have not been previously taken into consideration are also presented in this paper.
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Ling et al. (1989) studied this question.
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