High Voltage Test Solutions
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≤100kV Range

LQTT 75kV/15kVA Test Transformer | <3pC PD | 150% Overcurrent | LQTT Series

15kVA HV test transformer with 75kV output & <3pC PD. Features 150% overcurrent tolerance, ONAN cooling, and ≤5% waveform distortion. Ideal for precision dielectric testing.


  • US$ 5,578.00
  • Lead time: 45days

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Product Details

Product Tags


Core Technical Specifications

ParameterSpecification
Rated Capacity15 kVA
Rated Output Voltage75 kV AC
Rated Output Current0.2 A
Input Voltage0.38 kV (380V) standard
Customizable to local power standards
Frequency50 Hz
Impedance Voltage≤10%

Premium Performance Metrics

  • Partial Discharge Level: <3 pC at 100% UH (full system verification)

  • Waveform Distortion: ≤5% (per IEC 60060-1)

  • No-load Current: ≤10%

  • Insulation Strength: 3kV/1min withstand (LV terminals to ground)

Advanced Operational Capabilities

  • Overcurrent Withstand: 150% rated current (0.3A) for 300s – zero damage to windings or insulation

  • Overvoltage Capability: 110% rated voltage (82.5kV) for 60s – guaranteed insulation integrity

  • Thermal Management:

    • 60 minutes continuous operation at 100% rated voltage

    • Unlimited operation at 80% rated voltage/current

    • Winding temperature rise ≤65K

    • Oil surface temperature rise ≤55K

Design & Safety Features

  • Cooling System: ONAN (Oil Natural Air Natural)

  • Construction: Industrial-grade cylindrical tank

  • Phase Configuration: Single phase

  • Safety Compliance: Designed for operator protection during high-voltage testing

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