Partial Discharge Online Monitoring System for Ring Main Units

ROCKWILL Partial Discharge Online Monitoring System for Ring Main Units adopts ultra-high frequency (UHF) and ultrasonic integrated partial discharge sensing technology. It can collect, filter and analyze partial discharge signals generated by internal insulation defects such as air gaps, metal burrs and poor contact inside ring main units. The system supports real-time data storage, discharge trend analysis, alarm threshold configuration and fault type recognition. It can upload monitoring data and alarm events to the distribution automation platform. The product complies with IEC 60270 and IEC 61850 standards. Valid certification documents include Type Test Certificate No. TT-2025-11062, Witness Test Report No. WT-2025-16074, factory routine test reports and component qualification certificates, suitable for bidding evaluation, grid inspection and project acceptance. Featuring high sensitivity, strong anti-interference and easy installation, it realizes full-cycle insulation health management of ring main units.