Digital guide

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Woodward 9905-895

  • Product Name: Digital Synchronizer & Load Control (DSLC, Obsolete)
  • Product Overview: A legacy microprocessor-based controller for three-phase AC generator sets, providing paralleling, synchronization, and load control. It was replaced by the 9905-799 but remains functional in existing installations.
  • Technical Specifications:
    • Power Supply: 18–40 VDC

Detailed content

    • Speed Input: Magnetic pickup (500–10,000 RPM)
    • Voltage Input: 120/240 VAC, 50/60 Hz
    • Configuration: WYE PT (potential transformer)
    • Operating Temperature: -40°C to +70°C
    • Dimensions: 461mm × 265mm × 59mm
  • Key Features:
    • Paralleling Automation: Automatically loads/unloads generators during synchronization.
    • Flexible Load Modes: Supports droop, baseload, and isochronous load sharing.
    • Rugged Enclosure: NEMA 4-rated housing for harsh industrial environments.
    • Shock/Vibration Compliance: Meets US MIL-STD 810C and MIL-STD 167 standards.
  • Applications:
    • Legacy Generator Systems: Replacement or spare part for older parallel genset installations.
    • Industrial Power Plants: Synchronization and load control for steam/gas turbine generators.
    • Marine Power: Shipboard generator paralleling and load management (excluding dead bus closing).

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