Technical Specifications

High-Voltage Engineering Features

Precision Voltage Control

Motor-driven regulation with integrated voltage raising units ensures smooth 0-6.3kV output (±0.3% linearity). Upper/lower position limiters prevent over-travel.

Robust Protection Systems

• 2× short-circuit withstand: 79.4A surge for 8 cycles without damage

• Damping resistance: Protects during transient discharge states

• Overload capacity: 1.2In (30min), 1.4In (15min), 1.6In (5min)

Monitoring & Safety

• Magnetic oil level indicator

• Drain valve for maintenance

• Position limit protection

Performance Capabilities

Thermal Management

• ONAN cooling system (Oil Natural Air Natural)

• Designed for cyclic operation: 15min ON/15min OFF

Overload Specifications

• 120% current: 30 minutes continuous

• 140% current: 15 minutes continuous

• 160% current: 5 minutes continuous

Cyclical Operation

48 cycles/day capability makes it ideal for intermittent high-demand applications like testing facilities.

Industrial Applications

Structural Design Features

Integrated Regulation System

Regulating unit and voltage raising units combined in single structure for compact footprint and reduced power loss.

Safety Components

• Upper/lower position limiters

• Oil drain valve for maintenance

• Magnetic oil level indicator

Robust Construction

Reinforced windings prevent mechanical distortion during 2× overload conditions.

Technical Advantages

1. Ultra-high voltage range: 0-6.3kV output for specialized applications

2. Cyclical endurance: 48 operations/day capability

3. Linear impedance: Consistent 7.5% impedance from 50-100% load

4. Transient protection: Withstands 2× current surges for 8 cycles

"The LQDZ-250kVA's integrated regulating and voltage raising units provide exceptional stability at 6.3kV outputs - a critical feature for high-voltage testing applications."– Power Systems Engineering Review