LQTT Series 250kV/15kVA High-Voltage Test Transformer

(Cylinder Type | Single Phase | IEC-Compliant)

Key Performance Highlights

✅ Ultra-Low Partial Discharge: <2pC at 100% Uₕ (Industry-leading sensitivity)
✅ Enhanced Capacity: 15kVA Output (+50% power vs. standard 10kVA models)
✅ Robust Thermal Design:

• Continuous operation at 80% rated load (12kVA)

• Intermittent duty: 1hr ON/OFF at 100% load
  ✅ Precision Waveform: ≤5% THD (IEC 60270 compliant)

Technical Specifications

Engineering Advantages

1. PD Performance Benchmark

• GIS systems

• XLPE cables

• Transformer bushings

• <2pC sensitivity enables detection of microscopic insulation defects in:

• Exceeds IEEE 1799 recommendations for diagnostic testing

2. Thermal Reliability

• Validated thermal limits (65K winding / 55K oil rise):

            Continuous Operation: 12kVA (80% load)  

            Cyclic Peak: 15kVA (1hr intervals)

   3.Frequency Optimization

• 50Hz design tailored for EU/APAC markets (EN 50178 compliance)

4.Zero-Compromise Safety

• Built-in impedance protection against flashover

• Short-circuit withstand per IEC 61378-1

Target Applications

• Partial Discharge Calibration (IEC 60270)

• Type Tests for HV cables & switchgear

• Routine Testing of transformers ≥245kV class

• Research Labs (dielectric strength validation)

Why This Transformer?

► Higher Efficiency: 15kVA capacity reduces testing time by 33% vs. 10kVA units
► Future-Proof: Supports 420kV DC tests with cascading configuration
► Critical Infrastructure Ready: Meets BSI/NFPA 70E safety requirements