Technical Specifications

Core Technology Features

Precision Motor Drive

Single-phase DC servo motor enables smooth voltage adjustment with programmable speed control. Integrated position indicator provides real-time tap position feedback.

Symmetrical Compensation Circuit

Proprietary reversed polarity regulation maintains linear output characteristics with <3% THD even at full load. Ensures voltage stability during step changes.

Advanced Protection System

• Magnetic oil level indicator with auto-shutdown

• Multi-stage protection contacts

• Control system interlocks (regulator/control table/secondary switch)

• Thermal overload protection

Performance Characteristics

Impedance Linearity (50-100% Load Range)

Maintains &le;7% short-circuit impedance with linear characteristics across operational range per IEC 60076-5.

Thermal Performance

• Continuous operation: 60 minutes at 100% rated parameters

• Winding temperature rise: ≤65K (IEC 60076-7)

• Oil temperature rise: ≤55K at surface

• Ambient compensation: Stable operation from -25°C to +40°C

Safety & Compliance

• Short-circuit withstand: Continuous discharge for 5 cycles without damage

• Double-insulated bushings (30kV BIL)

• IP54 protection rating (dust/water resistant)

• Ground fault monitoring system

• Meets IEC 60214, IEEE C57.12.00, and IEC 60076 standards

Industrial Applications

High-Power Testing

Transformer and switchgear test benches requiring 0-650V variable supply

Manufacturing Systems

Semiconductor fabrication equipment, industrial furnace controls

Research Facilities

High-current laboratories, material testing systems

Critical Processes

Nuclear instrumentation calibration, aerospace component testing