To the calculation of the specific magnetic conductivity of the bridge of the closed rotor groove.

Abstract

The dependence of the equivalent specific magnetic conductivity of such a bridge on the effective value of the current in the groove for the case of a sinusoidal change on the magnetic flux time in a saturable bridge is established. Comparison of the calculation results for the proposed method with the results of the experiment on a physical model of such a groove shows the feasibility of using the proposed method of calculating the specific magnetic conductivity for relatively large rotor currents that occur during the initial start-up period of such an engine. Ill. 3, Bible. 3