The electric energy quality monitoring system has the characteristics of networking, open type and configuration, and can be widely applied in the field of electric power system monitoring.

本发明具有网络化、开放式、组态化的特点，可广泛应用于电力系统监测领域。

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Longitudinal protection, according to the requirements of the power monitoring system longitudinal certification, longitudinal protection measures as shown in figure 4.

纵向防护方面，依据电力监控系统“纵向认证”方式的要求，纵向防护的措施如图4所示。

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Online monitoring of power system test signal contains a lot of background noise, not easy to detect.

电力系统在线监测中的检测信号含有大量的背景噪声，不便于检测。

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Using advanced computational techniques capable of analyzing streaming data from sensors across the grid in near real-time enable more dynamic monitoring of the entire power system across large geographic areas, and offers the potential to reach even higher levels of performance and cost-effectiveness through improved situational awareness.

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Nwokobia got his first taste of the power of this real-time monitoring when the system first got up and running.

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In January 2003 the Microsoft SQL Server worm, known as Slammer, infected a private computer network at David-Besse nuclear power plant in Oak Harbor, Ohio, disabling a safety monitoring system for nearly five hours, says the Nuclear Regulatory Commission.

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