High Voltage Test Solutions
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<30kVA Range

LQDZ 10kVA |400 input | 0-400V Adjustable Output | Manual Contact Voltage Regulator|≤3% THD | Short-Circuit Protected

10kVA contact-type voltage regulator with DC motor drive (400V input → 0-400V output). Features ≤3% THD, ≤7.5% linear impedance, symmetrical compensation & interlock system. 50Hz single-phase.


  • US$ 1,395.00
  • Lead time: 30 days

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Product Details

Product Tags

Technical Specifications

ParameterValueEngineering Advantage
Rated Capacity10 kVAHeavy-duty power regulation
Input Voltage0.4 kV (400V)Industrial 3-phase compatibility
Output Voltage0-0.4 kV (0-400V)Full-range adjustment
Output Current25 AHigh-current capability
Voltage AdjustmentElectrical Drive (DC Motor)Precision remote control operation
Starting Voltage≤1.5%Instant stable output
Impedance Voltage≤7.5% (linear 50%-100% range)Consistent load performance
Waveform Distortion≤3%Critical for sensitive equipment

Key Features

1. Precision Motorized Control

  • DC Servo Motor Drive: Enables smooth 0-400V adjustment with programmable speed

  • Position Feedback System: Terminal/protection contacts with real-time position indication

  • Symmetrical Compensation Circuit: Maintains linear output voltage (eliminates dead zones)

2. Advanced Stability Technology

  • Reversed Polarity Regulation: Neutralizes waveform distortion at voltage extremes

  • Linear Impedance: Guarantees consistent performance across 50%-100% operating range

  • ≤1.5% Starting Voltage: Near-instant stabilization (outperforms standard 5% regulators)

3. Industrial Safety Systems

  • Magnetic Oil Level Indicator: Continuous coolant monitoring

  • Triple Interlock Protection: Synchronizes regulator, control table & secondary switches

  • Short-Circuit Resilience: Withstands 8-cycle faults (160ms) without damage


Performance & Compliance

  • Duty Cycle: 60 min continuous operation at 100% rating

  • Cooling: Natural convection (ONAN)

  • Standards Compliance:

    • Waveform distortion: IEC 61000-3-2

    • Impedance linearity: IEC 60076-1

    • Safety interlocks: IEC 60204-1


Applications

  • Industrial Machinery: Testing 400V motors, CNC equipment

  • Energy Systems: Grid simulator for micro-inverter validation

  • Lab Environments: Precision power for calibration benches

  • Manufacturing: Burn-in testing of industrial UPS systems


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