Complying Standards:
• DL/T* 1250-2013 Application guidelines for charged gas-insulated metal-enclosure switchgear device partial discharge detection with ultrasonic method.
• DL/T 555 Guide for withstand voltage and insulated test for gas-insulated metal-enclosure switchgear on site.
• Q/GDW** 11059.2-2013 Field application guide for partial discharge on-site testing technology of Gas Insulated Switchgear Part 2: Ultra high frequency.
• *DL/T stands for “Recommended standards of electric power industry of China”.
• **Q/GDW stands for “Corporation standard of State Grid Corporation of China”.
Features:
• Detecting unit Automated testing:Fully automated testing process captures discharge characteristics and locations of key-events from partial discharges to insulation breakdowns.
• AE-UHF joint detection:Synchronized UHF and AE PD detection brings revolutionary performance improvement in the orders of magnitude compared with AE method alone.
• Industry-leading sensitivity:Sensitivity equal to or better than 0.1pC.
• Robust to interference:Complete suite of interference reducing technologies: Spectrum analysis, frequency-selective filtering, interference separation, and comprehensive shielding.
• Electrically robust:No freezing or data lost after flashover accident.
• Diagnosis and analysis:Full range of analysis assisting graphical interfaces: PR, PRPD, PRPS, Correlation, and Selecting/masking windowing.Built-in interference and discharge patterns for automated signal classification.
• Accurate localization:Supports highly accurate electric, acoustic, and electric-acoustic localization.Localization accuracy≤10cm; Error rate ≤5%.
• Synchronization:Wired or wireless synchronization of timing and phase.
• Go wireless:Multiple detector units working together with wireless communication and synchronization.Adding or removing detector units as needed.
• Safety first:Personnel and equipment are separated from high voltage.
• High reliability:System is fully functional with any of the following mean of communications: Wi-Fi, Cellular, or fiber optics.Power supply through grid power, internal battery, and expandable battery packs.
• Power supply compatibility:Compatible with a wide range of HV-testing power supplies.
Technical Specifications:
• Sensitivity: ≤1pC;
• Measuring frequency band: UHF (300 ~ 1500MHz), AE (20 ~ 200kHz);
• Localization error: ≤10cm;
• Phase synchronization: Mode: wired or wireless; Frequency: 30 ~ 300Hz;
Voltage:AC 10 ~ 380V; Accuracy: 0.01°;
• Timing synchronization error: ≤50ns;
• Conne ctivity: 3G/4G cellular network, Wi-Fi, Fiber optics;
• Battery: Removable lithium-ion battery, 24V/5Ah.
Continuous working time > 8hrs.
Product Configuration:
GIS PD Detection & Localization SystemModel
Name
Units
Channels
Comment
XD50WG
2
AE
UHF
TEV
HF
Units can be added as needed.
4
4
/
/
pictures:
Sensors Detecting unit Phase synchronization unit Timing synchronization unit Installation with strips Installation with magnets PD detection UI PD Localization UI Diagnosis & Analysis UI