Cable Test Terminal
CTT 800kV Cable Termination System
Application: Factory acceptance testing (FAT) and type tests for 800kV-class power cables
Electrical Characteristics
| Parameter | Value | Standard |
|---|---|---|
| Rated Voltage (Un) | 800 kVr.m.s | IEC 60840 |
| Partial Discharge Level | <2 pC at Un | IEC 60270 |
| Lightning Impulse Withstand | 1800 kV (Negative polarity) | IEEE Std 4 |
| Power Input | 220V±10%/20A, 50/60Hz | IEC 61010-1 |
Mechanical Configuration
Main Unit
Dimensions: 1200×1400×1700 mm (L×W×H)
Dry Weight: 272 kg
Max Pressure: 4 atm (400 kPa)
Terminal Assembly
Total Length: 7500 mm
Width: 1600 mm
Pair Weight: 800 kg
Tilt Angle: 45°±1°
Installation Clearances:
3800 mm minimum HV insulation distance
1600 mm cable mounting height
6200 mm terminal mounting height
Thermal Management System
| Parameter | Specification |
|---|---|
| Cooling Capacity | 120 kW maximum |
| Water Reservoir | 500 liters |
| Water Conductivity | 0.1-2 μS/cm |
| Flow Rate | ≥45 L/min |
| Pipe Connections | 1" main / ¾" header (NPT threaded) |
Temperature Limits:
Cooling water inlet: ≤20°C
Ambient operation: +3°C to +35°C
Surface temperature: ≤60°C at 4 atm
Compliance & Safety
Designed per IEC 60840 for 800kV extruded cable systems
Impulse testing conforms to IEEE Std 4-2013
Double-insulated HV bushings
Pressure relief valves on all cooling circuits
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