Modeling of a compulsator and railgun system

A PSpice(R) model for a 4-phase, 4-pole air core compulsator was created. With minor modifications it could also model the performance of other pulse alternators. In addition, models for a railgun and switching elements have been created. The models were used to evaluate the system performance of the compulsator and an attached railgun in various configurations with diode rectifiers and SCRs. The process of self-excitation of the machine was also studied. The paper focuses on the basic theory behind the models as well as techniques for numerical implementation. In addition generic results using normalized parameters are given.