Cable Test Terminal
CTT 700kV Cable Test Termination System
Core Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | 700 kVr.m.s |
| Partial Discharge Level | <2 pC at Un |
| Lightning Impulse Voltage | 1650 kV (Negative polarity) |
| Power Supply | 220V/20A, 50/60Hz |
Cooling System Parameters
Max Cooling Capacity: 120 kW
Water Capacity: 500L
Conductivity Range: 0.1-2 μS/cm
Water Flow Velocity: ≥45 L/min
Pipe Connections: 1" main / ¾" header
Physical Dimensions
| Component | Dimension (mm) | Weight |
|---|---|---|
| Main Unit | 1200×1400×1700 | 272 kg (dry) |
| Terminal Assembly | 5800×1400 | 650 kg (pair) |
| Installation Clearance | 3300 mm HV insulation distance | |
Mounting Specifications: 45° terminal tilt angle, 1600mm cable height, 5500mm terminal height
Environmental Requirements
Operating Temp Range: +3°C to +35°C
Max Water Temp: 20°C (cooling inlet)
Max Internal Pressure: 4 atm
Max Surface Temp: 60°C
Installation Notes
Ensure minimum 3.3m clearance from grounded surfaces
Verify water conductivity (0.1-2μS/cm) before commissioning
Align cable axis at 45°±2° angle
Pressurize cooling system gradually to 4 atm maximum
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