Compared with the original two kinds of Phase-Difference Correction, only one sequence of time-domain signal is sampled and FFT analysis of same points is performed twice in this method.

与原两种相位差法相比，这种方法只采一段时域信号，且进行两次相同点数的FFT分析。

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The fault phase selectors, including the phase current difference suddenly-change and the sequence current, may misoperate in some cross country faults and conversion faults.

研究表明相电流差突变量、稳态电流序分量等选相元件在发生某些跨线及转换性故障时会误选相。

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A bearing sequence estimation technique based on adaptive phase-difference estimator is presented in this paper.

本文提出一种基于自适应相位差计的方位序列估计技术。

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