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Development of PRPS Conversion Algorithm and Generator Using PRPD Pattern of Underground Power Transmission Cable

  • Jae-Seop LimEmail author
  • Gye-Hyun Joh
  • Jeon-Seon Lee
  • Won Choi
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 598)

Abstract

Widely used method for PD (partial discharge) measurement and analysis of existing underground power transmission cables is to store the detected signal pulses as PRPD (Phase Resolved Partial Discharge) data and to analyze the PD defect factors by the pattern type. Although the PRPD pattern data of various facility defects are acquired through the underground power transmission cable diagnosis, due to the PRPD data storage structure, the pulse generation information is destroyed over time, and reconversion into 3D PD pattern (PRPS: Phase Resolved Pulse Sequence) is impossible. Also recently, as a method for verifying the reliability of the power utility prevention diagnosis system, a simulated partial discharge is generated for each facility defect, and the diagnostic system verification that is capable of simultaneously measuring pulses and PD patterns using various sensors is performed, and it is necessary to develop a PD pulse generator based on simulated PRPS data in order to generate the pulses based on PRPS pattern using the existing PRPD pattern, and input the pulses into the system to perform the defect judgment performance test. To solve this problem, this study developed and verified a PD pattern generator that can generate pulses based on PRPS data, and an algorithm that converts existing PRPD pattern data currently owned by Korea Electric Power Corporation (KEPCO) to PRPS pattern data.

Keywords

PRPD PRPS 3D PD pattern PD measurement Defect Underground power transmission cables Diagnosis system 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Jae-Seop Lim
    • 1
    Email author
  • Gye-Hyun Joh
    • 1
  • Jeon-Seon Lee
    • 2
  • Won Choi
    • 2
  1. 1.Korea Electric Power CorporationDaejeon-siKorea
  2. 2.SMND Co., Ltd.Anyang-siKorea

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