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Open AccessArticle

Adaptive Overhead Transmission Lines Auto-Reclosing Based on Hilbert–Huang Transform

1
Department of Electrical Engineering, Faculty of Engineering, University of Kurdistan, Sanandaj, Kurdistan 66177-15175, Iran
2
Department of Energy Technology, Aalborg University, 6700 Esbjerg, Denmark
*
Author to whom correspondence should be addressed.
Energies 2020, 13(20), 5416; https://doi.org/10.3390/en13205416
Received: 3 August 2020 / Revised: 27 September 2020 / Accepted: 14 October 2020 / Published: 16 October 2020
(This article belongs to the Special Issue Protection of Future Electricity Systems)
This paper presents a reliable and fast index to detect the instant of arc extinction for adaptive single-pole automatic reclosing (ASPAR). The proposed method is a simple technique for ASPAR on shunt compensated transmission lines using the Hilbert–Huang Transform (HHT). The HHT method is a combination of the empirical mode decomposition (EMD) and the Hilbert transform (HT). The first intrinsic mode function (IMF1) decomposed by EMD, which contains high frequencies of the faulty phase voltage, was used to calculate the proposed index. HT calculates the first IMF spectrum in the time-frequency domain. The presented index is the sum of all frequency contents below 55 Hz, which remains very low until the fault clearance. The proposed method uses a global threshold level and therefore no adjustment is needed for different transmission systems. This method is effective for various system configurations including different fault locations, line loading, and various shunt reactor configurations, designs, compensation rates, and placement. The performance of the method was verified using 324 test cases simulated in electromagnetic transient program (EMTP) related to a 345 kV transmission line. For all the test cases, the algorithm successfully operated with an average reclosing time delay of 32 ms. View Full-Text
Keywords: adaptive auto-reclosing; power system protection; EV transmission lines; transient fault; Hilbert–Huang transform adaptive auto-reclosing; power system protection; EV transmission lines; transient fault; Hilbert–Huang transform
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MDPI and ACS Style

Baayeh, A.G.; Bayati, N. Adaptive Overhead Transmission Lines Auto-Reclosing Based on Hilbert–Huang Transform. Energies 2020, 13, 5416.

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