100kV ~ 400kV Range

LQTT 220kV/10kVA Precision Test Transformer | 150% Overload | <60dB Noise | IEC-Compliant

High-accuracy 220kV test transformer with 150% overload capacity. ONAN cooling, ≤5% THD, ideal for PD-sensitive testing & calibration. Full specs & datasheet.

US$ 9,534.00
Lead time: 60 days

Send email to us

>>>WhatsApp Communication<<<

Product Details

Product Tags

LQTT Series 220kV/10kVA High Voltage Test Transformer

Engineered for ultra-high-voltage precision testing, this cylinder-type transformer delivers exceptional stability at 220kV with robust overload protection. Certified for critical applications requiring uncompromised accuracy in partial discharge (PD) measurement and dielectric validation.

Core Technical Specifications

Parameter	Specification
Rated Capacity	10 kVA
Input Voltage	0.4 kV AC
Output Voltage	220 kV AC
Output Current	0.045 A
Input Current	25 A
Frequency	50 Hz
Cooling Method	ONAN (Oil-Natural Air-Natural)
Waveform Distortion	≤ 5%
Impedance Voltage	≤ 10%
No-Load Current	≤ 10%
Dimensions	Cylinder type (Standard footprint)
Weight	Optimized for lab mobility

Performance Engineering Highlights

1. Robust Overload Protection

2. Thermal Resilience

Full Load Operation: 30 minutes at 220kV/0.045A
Continuous Duty: Unlimited operation at 176kV/0.036A (80% rating)
Strict Temperature Control:

Winding rise: ≤65K
Oil surface rise: ≤55K

3. Precision Voltage Generation

Clean Waveform (≤5% THD): Critical for harmonic-sensitive tests
Low Impedance (≤10%): Minimizes voltage drop under load
ONAN Cooling: Silent operation (<60dB) for lab environments

Certified Safety Systems

Insulation Integrity:
Withstands 3kV/min (LV input to ground) per IEC 61144
Multi-Layer Protection:

Automatic thermal monitoring
Overload cut-off circuitry
Reinforced inter-winding isolation

Technical Validation

Test	Standard	Performance
Partial Discharge	IEC 60270	System PD <2 pC*
Dielectric Withstand	IEC 60060-1	220kV + 10% safety margin
Temperature Rise	IEEE C57.12.90	Verified ≤65K winding
Typical performance in full test system

Critical Applications

Ultra-HV Calibration: Reference source for 200kV+ measurement systems
Bushing/Cable Testing: Acceptance tests per IEC 60885/IEC 60137
Partial Discharge Research: Sensitive detection system validation
High-Altitude Simulation: Equipment testing for aviation/power transmission

Series Comparison

Model	Voltage	Key Advantage	Ideal Use Case
220kV/10kVA	220kV	Industry-leading voltage	Aerospace/transmission R&D
200kV/10kVA	200kV	Precision PD (<1pC)	Calibration labs
200kV/100kVA	200kV	Industrial endurance (100kVA)	Cable factory testing
150kV/350kVA	150kV	High-current (4.8A)	Transformer manufacturing