In this paper, the breaking transient formulas of terminalvoltage and field current of synchronous machine with three phase symmetric load have been derived.
本文导出了同步电机三相对称负载突然拉开，电机端电压与励磁电流在瞬态过程中的解析表达式。
2
Refers to the electrical generator rated voltage at rated operation conditions, the terminalvoltage after the rectifier and the deduction of the DC link output voltage drop.
发电机额定电压指电机在额定工况下运行，其端子电压整流后并扣除连接线压降的直流输出电压。
3
The control way of system has 3-patterns: exciting regulator of constant terminalvoltage, constant exciting current regulator and exciting regulator of constant power factor.