Oil Test Termination
LQCTT-10(B) Barrel-Type Oil Test Termination
Specialized test termination for 10kV three-core cables featuring barrel-type design with insulation oil or Freon TE dielectric medium for precise cable testing applications.
Technical Specifications
Type: Barrel Type
Insulation Material: High-quality insulation oil or Freon TE
Semiconductor Strip Length: ~15mm
AC Test Rating: 40kV for 30 minutes
Partial Discharge Test: 22kV with <2pC sensitivity
Cable Compatibility: 10kV three-core cables
Core Diameter: 60mm (conductor diameter)
Insulation Cup Dimensions: Ø150mm × 300mm length
Base Dimensions: 660×220mm (slope type termination)
Design Features
Barrel-Type Construction:
Robust steel enclosure with viewing window
Pressure-sealed design
Dielectric Medium Options:
High-grade insulation oil (mineral-based)
Freon TE (eco-friendly alternative)
Cable Interface:
Precision-machined cable entry ports
Adjustable sealing glands
Termination Design:
Slope-type stress control
Integrated ground connection points
Testing Capabilities
| Test Type | Specification | Standard Compliance |
|---|---|---|
| AC Withstand Test | 40kV for 30 minutes | IEC 60502-2 |
| Partial Discharge Test | 22kV with <2pC sensitivity | IEC 60270 |
| Insulation Resistance | Up to 10kV test voltage | IEC 60060 |
| Tan Delta Measurement | Compatible with external equipment | IEC 60885 |
Installation & Operation
Preparation Procedure
Strip cable semiconductor layer (~15mm)
Clean and prepare cable ends
Fill insulation cup with dielectric medium
Mount cable in termination base
Secure with adjustable glands
Dielectric Filling Options
| Medium | Temperature Range | Advantages |
|---|---|---|
| Insulation Oil | -30°C to +100°C | Higher dielectric strength, cost-effective |
| Freon TE | -50°C to +80°C | Non-flammable, environmentally stable |
Industrial Applications
Factory acceptance testing of 10kV cables
Utility company cable commissioning
Industrial plant maintenance testing
Cable manufacturer quality control
Research laboratory cable evaluations
Renewable energy connection testing
Safety Features
Pressure Relief Valve: Automatic venting at 5 atm
Grounding System: Dual-point grounding terminals
Containment Tray: Spill containment for dielectric fluid
Viewing Window: Visual inspection without opening
Interlock System: Prevents operation during pressurization
Maintenance Protocol
After Each Use:
Drain and filter dielectric fluid
Inspect sealing components
Clean termination interior
Monthly:
Check dielectric fluid quality
Verify pressure relief function
Test grounding continuity
Annual:
Replace all sealing elements
Full dielectric strength test
Calibration verification
Dielectric Fluid Replacement:
Oil: Every 50 tests or 2 years
Freon TE: Every 100 tests or 5 years
Compliance Standards
IEC 60502-2: Power cables with extruded insulation
IEC 60270: Partial discharge measurements
IEC 60060: High-voltage test techniques
IEEE 400: Guide for field testing of shielded power cables
ISO 9001: Quality management systems
Certified for 10kV cable testing in industrial and utility applications.
