The final basic cause that resulted in the failure is no working state monitoring signal and failure warning signal of power supply source of controlled silicon excitation device.
最终查出造成机组事故的根本原因是可控硅励磁装置供电电源无工作状态监视信号及故障报警信号；
2
This equipment adopts a thyristor excitation DC generator-motor set with a field weakening regulation device working in step with loading.