该系统主回路为高低高结构电流源型变频器，采用单片机为核心的数字控制器，其控制策略采用转子磁通定向直接矢量控制。

This system is a high low high CSI, of which controller is based on a single chip computer. The control strategy adopts vector control.

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本文详细阐述了这一励磁方式的优点和缺点，讨论了自并励励磁系统设计中主回路、起磁回路、灭磁回路的有关问题。

This thesis sets forth the merit and flaw of excitation system and other concerned problems of main loop, magnetizing field loop and de-excitation loop in detail.

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文中研究了发电机励磁顶值和PSS回路对电力系统的振荡失稳和混沌现象的影响。

In this paper, effects of hard lim it of the excitation and the loop of power system stabilizer PSS to the system oscillatory instability and chaos are studied.

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