Cable Test Terminal
CTT 300kV Cable Test Termination - Ultra High Voltage Testing System
Premium High Voltage Testing Solution
The CTT 300kV Cable Test Termination represents the pinnacle of cable testing technology, designed for ultra high voltage applications requiring precise partial discharge measurement and robust performance. This system is engineered for cable manufacturers, utility companies, and high-voltage testing laboratories.
Technical Specifications
Rated Voltage 300 kV r.m.s.
Partial Discharge Level (at Un) <1 pC
Rated Impulse Voltage (Negative Polarity) 900 kV max
Compatible Cable Diameter (incl. insulation) 133 mm
Power Requirements 220V/20A, 50/60Hz
Cooling Capacity 120 kW max
Water Reservoir Capacity 500 liters
Max Operating Temperature 60°C
System Pressure Rating 4 atm
Water Conductivity Range 0.1-2 μS/cm
Ambient Temperature Range 3°C to 35°C
Cooling Water Temperature Max 20°C
Minimum Water Flow Rate 45 l/min
Connection Specifications 1" pipe with 3/4" head
Unit Dimensions (L×W×H) 1200 × 1400 × 1700 mm
Dry Weight 272 kg
Terminal Configuration 35° tilt angle
Base Footprint 3000 × 1200 mm
Cable Mounting Height 1000 mm
Terminal Mounting Height 2800 mm
Minimum HV Clearance 1600 mm
Terminal Assembly Weight 350 kg (pair)
Key Advantages
Ultra High Voltage Capability: 300kV r.m.s. with 900kV impulse rating for demanding applications
Exceptional PD Sensitivity: <1 pC partial discharge detection ensures precise cable quality assessment
Advanced Thermal Management: 120kW cooling capacity maintains stable testing conditions
Industrial Durability: 4 atm pressure rating and wide temperature range for reliable operation
Ergonomic Design: Optimized mounting heights (1000mm cable, 2800mm terminal) for operator comfort
Safety Compliant: 1600mm minimum HV insulation distance meets international safety standards
Industrial Applications
Type testing of extra high voltage (EHV) power cables
Partial discharge mapping for cable defect detection
Impulse withstand testing per IEC and IEEE standards
Factory acceptance testing for 300kV class cable systems
Research and development of advanced cable insulation
Standards Compliance
The CTT 300kV system meets rigorous international standards including:
IEC 60885-3 (Electrical test methods for electric cables)
IEC 60270 (High-voltage test techniques - Partial discharge measurements)
IEEE 400.2 (Guide for field testing of shielded power cable systems using very low frequency)
IEC 60060-1 (High-voltage test techniques - General definitions and test requirements)
Technical Notes
For optimal performance, maintain cooling water parameters within specified ranges (0.1-2 μS/cm conductivity, ≤20°C temperature). The system's 35° terminal tilt angle and generous HV clearance distances ensure safe operation during high voltage testing procedures. The robust 350kg terminal assembly provides stable termination even during impulse testing.
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