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The reclosing time of a transmission line has a distinct influence on system stability. A new method of calculating the optimal reclosing time based on the transient energy function (TEF) is presented in this paper. It is shown that an optimal reclosing time can be used to set the autoreclosing device so that the system stability or power transfer capability can be significantly improved. Though power...
A new scheme for torsional oscillation detection is proposed. The scheme is based on the biorthogonal wavelet transform (WT) and complex WT. The first step of the method is to design a biorthogonal low-pass filter, which filters the high order harmonics. A complex wavelet is then used to extract the oscillation feature from the remnant signal. The effectiveness of the proposed scheme is verified with...
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