A method and system for GIS partial discharge positioning based on cross-correlation and interpolation
By deploying a high-sensitivity sensor array in GIS equipment and combining piecewise cross-correlation and cubic spline interpolation algorithms, the problems of low accuracy and high cost in GIS partial discharge positioning are solved, realizing a high-precision, low-cost, and anti-interference-capable positioning method that is applicable to various GIS equipment.
CN122260086APending Publication Date: 2026-06-23山东泰开自动化有限公司
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 山东泰开自动化有限公司
- Filing Date
- 2025-12-31
- Publication Date
- 2026-06-23
Smart Images
Figure CN122260086A_ABST
Abstract
The application discloses a GIS partial discharge positioning method and system based on cross-correlation and interpolation, and relates to the technical field of intelligent electrical information monitoring.The steps include sensor arrangement and signal collection, partial discharge signal preprocessing, segmented weighted cross-correlation analysis, cubic spline interpolation processing and partial discharge positioning calculation.The system is composed of a sensor array module, a data collection and transmission module, a data processing and analysis module and a positioning result output module.The system realizes high-precision partial discharge positioning through segmented weighted normalized cross-correlation and cubic spline interpolation algorithm.The theoretical limit of the traditional method is 10ns, and the equivalent resolution of the application reaches 0.1ns through weighted cross-correlation interpolation.The application solves the problems of low positioning accuracy and poor anti-interference capability in the prior art, and realizes accurate and rapid positioning of GIS partial discharge.
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