≤100kV Range
LQTT Series 100kV/50kVA High-Voltage Test Transformer
Ultra-Low PD Solution for Critical Dielectric Testing Applications
Key Performance Highlights
Industry-Leading PD Level: <2pC at 100% Uₕ (complete system) - best-in-class for sensitive applications
Enhanced Power Capacity: 50kVA output (25% upgrade from 40kVA model)
Precision Waveform: ≤5% distortion (IEC 60076-8 compliant)
Optimized Thermal Design: Continuous operation at 80% rating (ΔT<65K winding / <55K oil)
Technical Specifications
| Parameter | Value | Improvement |
|---|---|---|
| Rated Capacity | 50kVA | ▲ 25% vs 40kVA model |
| HV Output | 100kV @ 0.5A | Corrected current spec |
| Partial Discharge | <2pC @ 100% Uₕ | Industry-leading specification |
| Input Voltage | 0.42kV (customizable) | Optimized for common supply |
| Impedance Voltage | ≤10% | Critical parameter added |
| No-Load Loss | <10% | Energy efficient design |
| Weight | 200kg | ▼ 55% lighter than 40kVA model |
| Frequency | 50Hz/60Hz | Global compatibility |
Operational Safety Profile
1. **OVERLOAD CAPABILITY**
- 150% current for 300s (winding protected)
- 110% voltage for 60s (insulation protected)
- 3kV/min dielectric strength (LV-ground)
2. **OPERATIONAL MODES**
- 100% rating: 60 minutes max
- 80% rating: Continuous operation
(Winding ΔT <65K, Oil ΔT <55K per IEC 60076-11)
Mechanical & Compliance Data
| Feature | Specification | Standard |
|---|---|---|
| Cooling System | ONAN (Oil Natural Air Natural) | IEC 60076-14 |
| Core Design | Cylindrical type | Optimized magnetic circuit |
| Insulation Class | H (180°C) | IEC 60085 |
| PD Test Compliance | IEC 60270 | Partial discharge testing |
| Waveform Standard | IEC 60076-8 | Voltage testing |
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