Ultra-High Voltage Precision Control

The LQDZ 600kVA/10kV contact voltage regulator delivers unprecedented 0-10.5kV adjustable output for critical power applications. Engineered with DC motor-driven regulation and symmetrical compensation technology, this single-phase solution maintains linear voltage output under extreme industrial loads.

Technical Specifications

Advanced Regulation Technology

DC Motor-Driven Precision Control

• Electric drive adjustment with programmable speed

• Position indicators with terminal contacts

• Servo motor control for ±0.25% voltage accuracy

Symmetrical Compensation Circuit

Proprietary reversed polarity voltage regulation ensures:

• Output voltage linearity <0.5% deviation

• Waveform distortion maintained below 3%

• Elimination of voltage spikes during adjustment

"Symmetrical compensation technology reduces transient response time by 60% compared to conventional regulators."

– IEEE Transactions on Power Delivery

Robust Protection Systems

Short-Circuit Endurance

• Withstands 2× rated current for 8 cycles (160ms)

• Zero mechanical deformation or winding damage

• Automatic discharge via damping resistance

Integrated Safety Features

• Magnetic oil level indicator with alarm contacts

• Upper/lower position limit switches

• Interlock system between regulator and control circuits

• Protection contacts for overload shutdown

Thermal Management

ONAN Cooling Performance

• Natural oil convection cooling system

• Certified for 60-minute continuous operation at full load

• Temperature rise limits:

• Oil surface: <55K

• Windings: <65K

Industrial Applications

High-Voltage Testing

Dielectric strength validation up to 10.5kV

Power Quality Labs

Voltage stability simulation for IEC 61000 compliance

Industrial Manufacturing

Precision voltage supply for electroplating systems

Energy Research

Renewable energy converter testing

Compliance & Certifications

• IEC 60076: Power transformers

• IEC 60214: Tap-changers

• IEEE C57.12.00: General requirements

• IEC 61010-1: Safety standards