Stability control mode of power system can be divided into three sorts: centralized control mode; regional control mode and local control mode.

现有电力系统稳定控制模式可分为以下三类模式：集中控制模式、区域控制模式以及就地控制模式。

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The constitution, technique and realized method of centralized supervisory control system on power and environment in the unattended communication room are introduced in detail.

介绍了无人值守通信机房动力和环境集中监控管理系统的构成、技术和实现方法。

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The automatic control system is put forward, which is about reactive voltage centralized optimization of county class power network.

提出了县级电网无功电压集中优化自动控制系统，其优化目标是各变电站电压合格率及网损优化。

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