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0引言目前，微机保护、故障录波仪、谐波分析仪等数据采集装置日趋成熟并被广泛使用。通过这些设备，调度员可以获取大量信息，作为判别故障类型和性质的重要依据。但在一些地方电网中，仍存在着信息集成度不高、设备利用率低等现象。一方面由于通信条件制约，这些装置仅能实现
0 Introduction At present, computer protection, fault recorder, harmonic analyzer and other data acquisition devices have matured and been widely used. Through these devices, dispatchers can get a lot of information as an important basis to determine the type and nature of the fault. However, in some local power grids, there is still a phenomenon that information integration is not high and equipment utilization is low. On the one hand these devices can only be implemented due to the constraints of communication conditions