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Woodward 8440-1930

  • Product Name: SPM-D11 Series Load Share Synchronizer
  • Product Introduction: The 8440-1930 is a microprocessor-based load share synchronizer from Woodward’s SPM-D11 series. It is designed for use on three-phase AC generators equipped with compatible speed controls and automatic voltage regulators, providing automatic synchronization, load control, and generator protection in a single unit.

Detailed content

  • Technical Specifications:
    • Power Supply: 18-36 VDC
    • Generator Voltage Input: 95-130 or 190-260 VAC line-to-line
    • Bus Voltage Input: 95-130 or 190-260 VAC line-to-line
    • CT Input: 3-7 Arms at full load
    • Frequency Range: 50-60 Hz
    • Analog Outputs: 2 channels (±1 V, ±3 V, 0-5 V, or 4-20 mA)
    • Discrete Outputs: 4 channels
    • Operating Temperature: -40°C to +70°C
    • Storage Temperature: -40°C to +85°C
    • Protection Rating: IP42 (front), IP24 (rear)
    • Display: Two-line LCD with LED backlight
  • Functional Features:
    • Automatic frequency, phase, and voltage matching
    • Phase match or slip frequency synchronization modes
    • Real and reactive power load sharing
    • Power factor control
    • Generator protection including over/undervoltage, over/underfrequency, reverse power, and overload
    • Dead bus closing capability
    • Soft unloading for smooth generator disconnection
    • Configurable via front panel or PC software
    • Password protection for configuration settings
  • Application Scenarios:
    • Three-phase AC generator synchronization systems
    • Standby power generation facilities
    • Grid-parallel generator applications
    • Industrial and commercial power systems
    • Marine vessel power management
    • Oil and gas platform power generation

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