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首页> 外文期刊>Electric power systems research >Determining secondary arc extinction time for single-pole auto-reclosing based on harmonic signatures
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Determining secondary arc extinction time for single-pole auto-reclosing based on harmonic signatures

机译：基于谐波特征确定单极自动重合闸的二次灭弧时间

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摘要

In this paper, a new algorithm based on harmonic signatures is proposed to detect extinction of secondary arc for single-pole auto-reclosing (SPAR). In the proposed algorithm, the TT-transform is used to highlight harmonics of healthy phase voltages. The criterion for the detection of extinction of secondary arc is harmonics amplitudes, which is calculated after the TT-transform. The algorithm is noncommunication and the threshold value is adaptive; therefore, for various transmission systems no special adjustment is needed. To evaluate the accuracy of the proposed scheme, numerous simulations under different conditions including fault location, fault inception angle and line compensation are performed, in all of which the highest reliability is achieved.
机译：本文提出了一种基于谐波特征的单极自动重合闸（SPAR）检测二次电弧熄灭的新算法。在提出的算法中，TT变换用于突出健康相电压的谐波。用于检测次级电弧熄灭的标准是谐波幅度，它是在TT变换后计算的。该算法是非通信的，阈值是自适应的；因此，对于各种传输系统，无需进行特殊调整。为了评估所提出方案的准确性，在不同条件下进行了许多仿真，包括故障位置，故障起始角度和线路补偿，所有这些都获得了最高的可靠性。

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