Techniques for detecting hidden failures in relaying plates based on transient faults recorder data

Peiru Jia; Zhaoyun Zhang; Linjun Lv

doi:10.1117/12.2660604

16 December 2022 Techniques for detecting hidden failures in relaying plates based on transient faults recorder data

Peiru Jia, Zhaoyun Zhang, Linjun Lv

Proceedings Volume 12500, Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022); 125004B (2022) https://doi.org/10.1117/12.2660604
Event: 5th International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 2022, Chongqing, China

Abstract

Hidden failures have always been an important factor affecting the reliability of relaying protection in power systems. In this paper, starting from the hidden failures of relaying plate, a technique of detecting hidden failures of relaying plate based on transient faults recorder data is proposed. The method overcomes the disadvantages of low efficiency and high workload of traditional manual inspection of relaying plate and reads the current state of relaying plate in a wide range based on transient faults recorder data after a grid fault, performs default values detection, associated setting values detection and relaying plate logic detection of relaying plate, and outputs a comprehensive relaying plate detection report. In the technical implementation, the dynamic configurability of the relaying plate channel name and the relaying plate default values are used, which greatly improves the compatibility of the method with both conventional and intelligent substations. The method has been tested in a provincial company of the State Grid and detected a large number of hidden failures in the relaying plate, eliminating hidden failures for the safe operation of the grid.

Citation Download Citation

Peiru Jia, Zhaoyun Zhang, and Linjun Lv "Techniques for detecting hidden failures in relaying plates based on transient faults recorder data", Proc. SPIE 12500, Fifth International Conference on Mechatronics and Computer Technology Engineering (MCTE 2022), 125004B (16 December 2022); https://doi.org/10.1117/12.2660604

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KEYWORDS

Logic

High dynamic range imaging

Inspection

Computer programming

Target detection

Image processing algorithms and systems

Image segmentation

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