本文对电力系统自动化装置时钟统一的要求与现状做了分析和阐述，对于GPS在时钟统一问题上的应用做了可行性研究。
The requirement and current state of clock synchronism of automatic devices in power system are analyzed and described, and a feasibility study is made on the application of GPS in clock synchronism.
无功功率是交流电力系统设计和运行中的一个重要因素，为了减少电能损失，需要在电力用户端与电力系统的变电所内合理配置一定的无功补偿装置。
Workless power is an important factor in designing and running of alternating current system. A compensation device is needed in substation and the end users to save electricity.
为了更好地与电力系统其他装置通信、便于操作、优化控制效果，引入了上位机和VQC软件，使人机界面更加友好。
For better communicating with other communication device, convenient operation, improving control effect, upper computer and VQC software is adopted, it make man-machine interface more friendly.
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