High Voltage Test Solutions
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>400kV Range

LQTT 400kV/3200kVA Multi-Winding Test Transformer | Dual-Input

Industry-first 3200kVA test transformer with configurable 10/20kV input & 1600kVA transfer winding. <1.5% impedance. For ultra-high-power testing. Request demo.


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Product Details

Product Tags

LQTT Series 400kV/3200kVA Multi-Winding Test Transformer

The Industry's Most Flexible High-Power Testing Solution

Core Specifications

ParameterValue
Total Capacity3200 kVA (HV/LV) + 1600 kVA Transfer
Output Voltage400 kV
Output Current8 A
Frequency50 Hz
ConfigurationSingle Phase
Short Circuit Impedance<1.5%

Revolutionary Winding System

Triple-Winding Architecture

WindingVoltage RatingCurrent RatingPower RatingConfiguration Options
Low Voltage (2x)10 kV each160 A each3200 kVAParallel or Series
High Voltage400 kV8 A3200 kVAFixed
Transfer10 kV160 A1600 kVAFixed

Technical Superiority

1. Intelligent Voltage Adaptation

  • Seamless transition between 10kV/20kV inputs without external converters

  • Maintains full 400kV output in both modes

  • Automatic impedance stabilization (<5%)

2. Transfer Winding Advantage

  • Dedicated 1600kVA winding for:

    • Cascaded system operation

    • Auxiliary test circuits

    • Synchronized multi-transformer setups

3. Unmatched Power Density

  • 3200kVA output from single-unit design

  • 50% space reduction vs traditional solutions

  • 35% weight savings vs comparable systems


Performance Specifications

ParameterValueIndustry Standard
Short Circuit Impedance<1.5%8-10%
Configuration FlexibilityDual LV modes + TransferSingle mode
Voltage Stability±0.5% (all modes)±2%
Thermal Efficiency15% better heat dissipationBaseline

Target Applications

  • National Testing Authorities:
    Type approval of 800kV+ transmission equipment

  • Mega-Project Commissioning:
    HVDC converter station acceptance testing

  • Research Megalabs:
    Fusion reactor component validation

  • Cable Manufacturers:
    Simultaneous testing of multiple 500kV cable systems


Technical Validation

*"The only 3200kVA test transformer with dynamic input reconfiguration capability. Engineered to meet IEC 61378-1 standards for converter transformers, this system delivers unprecedented flexibility while maintaining <1.5% impedance - a 5× improvement over conventional designs."*


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