HCTT-250kV/2A Ultra-High Power Charging Transformer

Product Overview

The HCTT-250kV/2A represents the cutting edge of high-current HV testing technology, combining massive 500kVA capacity with 2A output current for testing ultra-high capacitance loads in industrial and utility applications.

Technical Specifications

Performance Characteristics

Core Performance

• No-load Current: ≤8% of rated current

• Waveform Distortion: ≤8% THD at full load

• Over-voltage Withstand: 275kV (110%) for 60 seconds

• Current Stability: ±0.25% over 4-hour operation

Enhanced Capabilities

Thermal Management

• Winding ΔT: ≤65K at full load

• Oil ΔT: ≤55K under maximum load

• Three-stage cooling system:

1. Natural convection (base cooling)

2. Forced oil circulation (25m³/hour)

3. Water-assisted cooling (standard)

• Real-time oil monitoring (temperature/quality)

Insulation System

Mechanical Design

• Industrial-grade tank construction (18mm steel walls)

• Vibration-isolated core (0.5Hz natural frequency)

• Quick-change HV bushing system (10-minute replacement)

• Integrated lifting system (10-ton capacity)

• Particle-controlled assembly (Class 100 cleanroom)

Safety & Compliance

• IEC 61378 (Converter Transformers)

• IEEE C57.12.90 (Test Procedures)

• EN 50581 (Industrial HV Equipment)

• Quadruple redundant protection system

Industrial Applications

• EHV cable system factory acceptance tests

• High-current impulse testing

• Industrial particle accelerator power

• Supergrid equipment verification

• High-energy physics research

With its massive 500kVA capacity and 2A output current, the HCTT-250kV/2A enables testing of ultra-high capacitance loads up to 26,500pF at 250kV. The industrial-grade design ensures reliable operation in the most demanding test environments.