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Abstract
A method is described for the calculation of the auxiliary-winding parameters of single-phase capacitor motors. The design technique is an extension of that successfully applied to resistance-start motors(1) and is aimed toward assisting the practical design engineer to choose an auxiliary winding which uses the minimum amount of copper while simultaneously satisfying all specifications
The equations developed do not use the turns ratio as the main design variable but a new design variable, the ratio of total auxiliary-phase resistance to total auxiliary-phase reactance. The method is equally well suited to computer or non-computer evaluation techniques.