Advanced XLPE Cable Testing with 100kV/2500kVA Resonant System

Our specialized AC resonant test system provides precise high-voltage testing for XLPE cables up to 350kV, featuring industry-leading 0.65pC partial discharge sensitivity through advanced filtering technology.

System Specifications

Key Technological Features

Advanced Noise Suppression

• Regulated feeding power supply

• Low-voltage input filtering

• High-voltage filter formed by inductance + coupling capacitor

• Triple-filter system for ultra-low PD measurement

Tank-Type Design Advantages

• Compact structure for space efficiency

• Enhanced safety with enclosed components

• Improved thermal management

• Reduced electromagnetic interference

Testing Capabilities

• AC withstand voltage tests up to 350kV

• Partial discharge measurement with 0.65pC sensitivity

• Tan delta measurement

• Localization of defects in XLPE cables

System Configuration

1. Variable frequency power supply

2. Excitation transformer

3. Resonant reactor (tank-type)

4. Capacitive voltage divider

5. Partial discharge detection system

6. Control and measurement console

Compliance & Applications

• Meets IEC 60840 and IEC 62067 standards

• Ideal for factory acceptance tests (FAT)

• Suitable for type tests and routine tests

• Used for MV and HV XLPE cable systems

Why 0.65pC PD Sensitivity Matters

The system's ultra-low partial discharge detection capability enables:

• Early identification of microscopic insulation defects

• More accurate cable condition assessment

• Reduced risk of premature cable failures

• Compliance with stringent utility specifications