Technical Specifications

Key Advantages

✅ Ultra-High Voltage Precision
50kV output for testing critical high-voltage components with ≤5% waveform distortion

✅ Sensitive Partial Detection
<5pC PD measurement capability for early insulation fault detection (IEC 60270 compliant)

✅ Rugged Overload Performance

• 150% current surge tolerance (5 minutes)

• 110% voltage spikes (1 minute)

✅ Thermal Stability
Maintains safety margins during extended operation:

• Winding temperature rise ≤65K

• Oil surface temperature rise ≤55K

✅ Continuous Testing Capability

Operational Modes:
► Full Power: 60 minutes
► Sustained Testing: Unlimited at 80% load
► Emergency Overload: 150% for 5 min

Critical Applications

• HV Cable Systems: 33-66kV class termination tests

• Transformer Bushings: Dielectric withstand validation

• Gas-Insulated Switchgear: PD measurement

• Surge Arresters: Leakage current tests

• Insulator Strings: Pollution flashover studies

• Rotating Machines: Stator insulation integrity

Performance Highlights

1. Cylinder Design Advantages

• Compact footprint for lab/field use

• Optimized oil circulation for cooling

• Reduced corona effects at high voltages

2. Precision Waveform Quality

<5% deviation ensures compliance with IEC 60060-1 standards

3. Safety & Reliability

• 3kV/min LV-ground insulation

• ONAN cooling prevents hotspots

• Automatic thermal protection

Why This 50kV Solution?

"The LQTT 50kV/7kVA bridges the gap between ultra-high voltage requirements and precision diagnostics. Its <5pC sensitivity and compact cylinder design make it ideal for:

• Utility high-voltage labs

• Cable manufacturer QC

• Research institutions
  Where 50kV+ testing demands uncompromised accuracy in constrained spaces."
  – HV Engineering Team

Technical Comparison

Order Information

Model: LQTT-50/7-CYL
Lead Time:40 days
Certification: IEC 60270 PD Testing Compliant

Options:

• 60Hz operation

• Integrated PD monitoring system

• HV divider with NIST-traceable calibration

• Custom voltage taps (e.g., 40kV/0.175A)