Study Of Ultra High Frequency On-line Monitoring System For Partial Discharge

Partial discharge detection UHF online through ultra-high frequency transformer internal sensors to receive partial discharge by the ultra-high-frequency electromagnetic waves generated to achieve partial discharge detection and positioning, and to achieve interference.This paper analyses the domestic and foreign line partial discharge monitoring technology development, and has been developed by PD UHF online monitoring system. Computer-aided testing system and the traditional testing method, the measured partial discharge signal amplification, filtering after the A / D converter, will be converted to analog output into digital computer data processing and analysis to various spectrum maps and statistics, resulting in the partial discharge of transformer situation.