The analysis of a saturated self-excited asynchronous generator

The theory of saturated smooth-air-gap machines is applied to the analysis of the transient performance of a self-excited induction generator. Performance equations for this machine are given which utilize the saturated magnetizing inductance L/sub m/= mod psi /sub m/ mod / mod i/sub m/ mod and its derivative dL/sub m//d mod i/sub m/ mod , where psi /sub m/ and i/sub m/ are vectors. The self-excitation process, the switching in of a purely resistive load and of a load with resistors in series with capacitors are studied. Measured results are compared with those computed from the performance equations, and the two are shown to be in good agreement.>