Technical Specifications

Key Advantages

✅ Ultra-Low PD Sensitivity
<3pC partial discharge at full voltage for precision compliance testing (IEC 60270)

✅ Rugged Overload Protection

• Survives 150% current surges (5 minutes)

• Handles 110% voltage spikes (1 minute)

✅ Extended Operation

• Full-power testing: 60 minutes continuous

• Unlimited runtime at 80% rated load

✅ Thermal Stability
Engineered to maintain ≤65K winding rise under sustained loads

✅ Pure Sine Wave Output
≤5% waveform distortion ensures accurate diagnostics

Designed for Testing

• Power cables & joints

• Gas-insulated switchgear (GIS)

• Distribution transformers

• Bushings & insulators

• Surge arresters

• Rotating machinery

Performance Highlights

1. Safety by Design

• 3kV/min insulation on LV terminals

• ONAN cooling prevents thermal runaway

• Automatic protection against overstress

2. Laboratory-Grade Accuracy

• <3pC PD sensitivity detects microscopic insulation flaws

• ≤5% waveform deviation meets IEC 60060-3 requirements

3. Mission-Ready Reliability

Operational Capabilities:
100% Voltage → 60 minutes
80% Load    → Continuous
150% Current → 300 sec
110% Voltage → 60 sec

Why Engineers Choose LQTT 30kV/15kVA

"This transformer solves the critical challenge of maintaining PD sensitivity under real-world overload conditions. Its thermal stability and compact cylinder design make it ideal for:

• Factory acceptance testing (FAT)

• On-site commissioning of HV assets

• R&D labs developing next-gen insulation systems"
  – HV Testing Applications Team

Order Information

Model: LQTT-30/15-CYL
Lead Time: 45 days

Certification: IEC 60270 PD Testing Compliant

Options:

• 60Hz operation

• Integrated PD monitoring package

• Mobile test platform with shock-absorbing base