Research of Information Security Technology in Electric Power Information System;

目前，电力系统信息主要在厂站端和调度端之间传输。

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Power information system is a typical distributed and interconnected system, which needs a systematic security design method.

电力信息系统是典型的分布式互连系统，需要采用系统化的方法进行安全设计。

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So to design the security architecture of power information system, a systematic and structural design method and corresponding computer-aided tools are necessary.

为此，需要一种系统化和结构化的设计方法以及相应的辅助工具设计电力信息系统的安全体系。

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Lacking a computerized system to track information about power outages, LIPA relied on an outmoded system of paper maps, photos and Post-it Notes to coordinate its service efforts with National Grid.

WSJ: Blizzard Barrels Toward Area

The elites in any system not only have more political and economic power, they also have more access to information and control the distribution of information in any given system.

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