Power system state estimation is the core of electric energy management system and the bases of dispatch, control, security evaluation and so on.
电力系统状态估计是电力系统调度、控制、安全评估等方面的基础，也是电能管理系统的核心组成部分。
2
The paper expounds the development and the application of the unit control stand for the stations running dispatch command system, as well as its properties, specialities, applying scope, etc.
本文阐述了车站行车调度指挥系统单元控制台的研制和使用情况，它的性能、特点及适用范围等。
3
Explained on the signal broadcasting, the signal transmission, the signal dispatch and the controlsystem, the lash-up system.