The contents in the paper include the following aspects : 1 ) the dissertation starts with an introductory review about the problems encountered in modern power systems engineering mainly on transmission systems 本文着力于同一系统中不同facts控制器间交互影响的研究，主要内容可以概括为以下几个方面： 1简要叙述了现代电力系统面临的问题；回顾了自facts概念提出以来，该领域的发展状况。
