Complying Standards:
• GB/T* 3048.12-2007 Test methods for electrical properties of electric cables and wires. Part 12: Partial discharge test.
• DL/T** 1253-2013 Code of operation for power cable line.
• Q/GDW*** 11316-2014 Test code for power cables.
• Q/GDW 11223-2014 Technical specification for state detection for high voltage cable lines.
• *GB/T stands for “National recommended standards of China”.
• **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:
• High compatibility:Works with cables of various voltage levels and internal structures.• Automated testing:Fully automated testing process captures discharge characteristics and locations of key-events from partial discharges to flashovers.
• Industry-leading sensitivity:Using HF method as main measurement.Sensitivity equal to or better than 5pC.
• Accurate localization:Supports highly accurate electric, acoustic, and electric-acoustic localization.
• Robust to interference:Complete suite of interference reducing technologies: Spectrum analysis, frequency-selective filtering, interference separation, and comprehensive shielding.
• 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.
• Electrically robust:No freezing or data lost after flashover accident.
• Synchronization:Wired or wireless synchronization of timing and phase.
• Highly adaptable:With wired and wireless connectivity, the system is suitable to be used on-surface or inside tunnels.
• Power-supply compatibility:Compatible with a wide range of HV-testing power supplies.
Technical Specifications:
• Sensitivity: ≤5pC;
• Measuring frequency band: AE: 20 ~ 200kHz, HF: 3~30MHz;
• Timing synchronization error: ≤50ns;
• Phase synchronization: Wired or wireless; Frequency: 30 ~ 300Hz; Voltage: AC10 ~ 380; Accuracy: 0.01°;
• Connectivity: 3G/4G cellular network, Fiber optics;
• Power supply: Removable lithium-ion battery, 24V/5Ah. Continuous working time > 8hrs.
Product Models:
PD Detection & Localization System for Power Cables
Pictures:Model
Name
Units
Channels
Comment
XD50WX
2
AE
UHF
TEV
HF
Units can be added as needed.
2
/
/
6
Sensors
HF signal capturing
Current synchronization sensor
Detector unit
AE signal capturing Synchronization signal capturing
Testing UI
Diagnosis & analysis UI Localization UI
