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Woodward 5437-080

Product Name: SPM-D Synchronizer & Load Sharing Module

Product Introduction: A high-precision microprocessor-based synchronizer and load-sharing controller designed for parallel operation of multiple generator sets. It integrates frequency/phase matching, voltage regulation, and active/reactive load distribution into a single compact unit, ensuring seamless grid connection and stable load balancing in industrial power systems.

Detailed content

Technical Specifications:
  • Power Supply: 12/24 VDC (9.5–32 VDC operating range)
  • Voltage Sensing: 120–480 VAC, single/three-phase, true-RMS measurement
  • Frequency Range: 40–70 Hz (50/60 Hz systems)
  • Synchronization Accuracy: ≤0.5° phase angle, ≤0.1 Hz frequency difference
  • Load Sharing Precision: ±1% of rated load (active/reactive power)
  • Communication: Modbus RTU, CAN bus, Ethernet (optional)
  • Operating Temperature: -20 °C to +70 °C
  • Protection Grade: IP30 (panel-mounted)

    Functional Features:

  • Automatic frequency, phase, and voltage synchronization for genset paralleling
  • Isochronous and droop load sharing modes for up to 32 parallel units
  • Integrated reverse power, over/under frequency, and voltage protection
  • Real-time load monitoring and adjustable load distribution parameters
  • LED status indicators for synchronization, fault, and alarm conditions
  • Compact design for easy panel installation and system integration
  • Compatible with Woodward easYgen, 505, and 72X series controllers

    Application Scenarios:

  • Industrial park multi-generator parallel power stations
  • Marine vessel integrated power distribution systems
  • Data center and hospital emergency redundant power systems
  • Island and micro-grid independent power supply systems
  • Commercial complex and residential backup power systems

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