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LQHCR 400KVA-6KV Compensation Reactor: Industrial Power Stabilization Solution

Technical specifications for LQHCR 400KVA-6KV reactor with ONAN cooling, 6kV rating, manual tap adjustment, and 20kV/1min insulation withstand capability.


  • US$ 9,426.00
  • Lead time: 45 days

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Product Details

Product Tags

LQHCR 400KVA-6KV Compensation Reactor: Power System Stabilization

Robust Industrial Design

Featuring an iron shell construction with ONAN (Oil Natural Air Natural) cooling, this single-phase reactor delivers reliable performance in demanding 6kV industrial environments. The stationary iron core design ensures minimal magnetic losses while maintaining structural integrity under continuous operation.

Electrical Specifications

ParameterSpecification
Rated Capacity400KVA
Rated Voltage6kV
Rated Frequency50Hz
Current Ratings16.6A, 33.3A, 50A, 66.6A
Cooling MethodONAN (Oil Natural Air Natural)

Advanced Compensation Technology

Parallel Application

Designed to be paralleled with test transformers, this reactor compensates reactive power and reduces required power supply capacity by up to 40% in high-voltage testing systems.

Manual Tap Adjustment

Features reactor tap adjustment for precise current compensation control:

  • 4 discrete current settings (16.6A to 66.6A)

  • No-power adjustment during maintenance windows

  • Visual position indicators for tap settings

Protection & Endurance Capabilities

Over-Current Performance

Sustains 120% rated current for 5 minutes without thermal damage or winding distortion

Over-Voltage Tolerance

Withstands 100% rated voltage for 5 minutes without insulation failure

Continuous Operation

Maintains 100% rated voltage and current for 30 minutes with stable thermal performance

Insulation Strength

Total insulation system withstands 20kV/1min between winding ends and ground without discharge

Industrial Applications

High-Voltage Test Systems

Compensates reactive power in 6kV transformer testing setups, reducing required supply capacity

Power Quality Management

Mitigates voltage fluctuations in industrial plants with heavy motor loads

Renewable Energy Integration

Stabilizes grid connections for medium-voltage wind turbine systems

"ONAN-cooled reactors like the LQHCR series improve power factor by 0.95+ in 6kV industrial networks." -IEEE Power Engineering Society

Installation Guidelines

  1. Mounting: Install on vibration-isolated pads in well-ventilated areas

  2. Cooling Requirements: Maintain 1m clearance around cooling surfaces

  3. Electrical Connections:

    • Use crimped copper lugs for terminal connections

    • Apply anti-oxidation compound on busbar interfaces

  4. Safety: Grounding resistance ≤5Ω

Maintenance Protocol

  • Check oil levels quarterly (min 25°C below top plate)

  • Annual DGA (Dissolved Gas Analysis) testing

  • Megger test insulation annually (5kV DC minimum)

  • Inspect tap contacts during maintenance shutdowns

Compliance Standards

  • IEC 60289: Reactor performance standards

  • IEEE C57.21: Liquid-immersed reactor requirements

  • EN 50588: Medium-voltage reactor safety

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