采用多回路的分析方法，对建立在相坐标下的交流励磁发电机的动态性能进行了分析。
Using multi loop analysis method, the dynamic characteristics of ac excited generator are analyzed based on phase coordinate.
详细分析了交流接触器在不同使用条件下的闭合与分断时触点两端电压与回路电流情况，并研究了AC1～AC4工作制下的控制时序。
The conditions of voltage between contactors and current in main circuit under different using types are analyzed in detail, then designed the control sequences with working mode AC1-AC4.
在进行理论分析的基础上，重点论述了力反馈回路的设计。
The design of force feedback loop is emphasized on the base of theory analysis.
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