In this paper, it is mainly introduced the electrical principles of soft -start inverter with loadcommutation on synchronous machine, and described the general models of synchronous machine.
文中主要介绍了同步电机负载换相变频软启系统的电气原理。
2
The electrified railway is a fluctuating high- power single- phase commutationload, which may threat power sys-tem security operation.