High Voltage Test Solutions
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150kVA ~ 350kVA Range

LQDZ 300kVA |380V Input | 0-3.15kV Adjustable Output |Manual Contact Voltage Regulator| Industrial Voltage Stabilizer

Discover comprehensive information on high voltage measurement, including non-standard complete set of equipment, impulse voltage generator applications, and Hydra.


  • US$ 16,394.00
  • Lead time: 60 days

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Product Details

Product Tags

LQDZ 300kVA |380V Input | 0-3.15kV Adjustable Output |Manual Contact Voltage Regulator|   Industrial Voltage Stabilizer

Precision 0-3.15kV Output for Industrial Testing & Power Systems

Technical Specifications

ParameterSpecificationStandard
ModelLQCZ-300kVA/0.38kV/0~3.15kVCylinder Type
Rated Capacity300 kVAIEC 60076
Input Voltage0.38 kV ACSingle Phase
Output Voltage Range0 - 3.15 kV Continuously AdjustableLinear Regulation
Output Current Range0 - 95.2 AConstant Power
Input Current789.5 A50 Hz
Impedance Voltage7.5% (50-100% Linear Adjustment)IEC 60076-1
Waveform Distortion≤3% THDIEC 61000-3-2
Starting Voltage≤0.5%IEC 60034-12
Noise Level≤60 dB(A)ISO 9614
Short-Circuit Endurance200% Overcurrent for 8 Cycles (No Damage)IEC 60529

Advanced Voltage Regulation Technology

Cylinder Design Advantage: Optimized magnetic flux distribution ensures stable voltage output with minimal waveform distortion across the full 0-3.15kV range.

Electrical Drive Regulation System

  • Precision servo-motor control for smooth voltage transitions

  • Programmable regulation speed with position feedback

  • Upper/lower voltage limit protection

Thermal Management & Structure

  • ONAN Cooling: Oil Natural Air Natural circulation system

  • 60-minute continuous operation at 100% rated capacity

  • Integrated oil drain valve and magnetic level indicator

  • Low-noise design (≤60dB) for laboratory environments

Industrial Applications

High-Voltage Testing

Dielectric strength validation of transformers, cables, and switchgear up to 3.15kV

Research Laboratories

Precision voltage supply for material testing and electrical research

Power Quality Simulation

Voltage fluctuation testing of protective relays and metering systems

Safety & Protection Systems

  • Short-Circuit Proof: Withstands 200% overcurrent for 8 AC cycles without damage

  • Automatic Discharge: Built-in protective resistors for safe discharge

  • Structural Integrity: Reinforced windings prevent mechanical distortion during faults

  • Thermal Monitoring: Oil temperature sensors prevent overheating

Safety Certification: Compliant with IEC 61010-1 safety requirements for high-voltage equipment.

Performance Characteristics

  • Linear voltage adjustment from 0-3150V with constant power output

  • Rapid response time: ≤100ms voltage stabilization

  • ±1% voltage accuracy under load variations

  • Low starting voltage (≤0.5%) prevents inrush currents

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