其次，电力网络的典型网络结构有环网、放射型、单端供电型、双端供电型等形式。

Secondly the power network's the typical feature are loop structure , radial type, supply fed at one end and supply fed at two ends.

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该算法利用序网络分解法对故障网络进行分析，得到基于单端电气量故障距离一般表达式，该算法消除了故障电阻的影响。

Using one-terminal data, the algorithm analyzes fault network by sequence networks method and get the formula of fault location, eliminating the effect of fault resistance.

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测试表明，与基于单采集器的被动网络流量测量系统相比，该系统明显减少了采集器端的丢包率，提高了系统测量的准确性。

The test indicates that compared with single-meter based traffic flow measurement system, the system reduces the packet loss ratio obviously and enhances the measurement veracity.

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