Digital guide
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Woodward 9905-707
Product Full Name: Woodward 9905-707 DSLC Reduced Version Digital Synchronizer & Load Control Module
Product Introduction: Original reduced-function upgrade version DSLC digital synchronizer from Woodward 9905 series. It completes automatic generator frequency/phase matching synchronization, grid connection closing control and load regulation control. It excludes power factor control and process control functions compared with full-version DSLC modules.
Detailed content
Technical Specifications:
- Operating Power Supply: 120VAC line input
- Speed Bias Output: 1–5VDC analog speed adjustment signal
- PT Configuration: Open Delta PT voltage transformer configuration
- Operating Temperature: -40°C to +70°C
- Storage Temperature: -55°C to +105°C
- Module Dimensions: 460.65×264.16×58.42mm
- Synchronization Accuracy: ±10° phase matching window
Functional Features:
- Automatic phase matching and slip frequency synchronization control
- Supports isochronous, droop and baseload load control modes
- Built-in reverse power protection relay logic
- Automatic generator loading/unloading control function
- Real-time system diagnostics and operating parameter monitoring
- Configurable via handheld programmer terminal
- Safe locking logic for abnormal synchronization conditions
Application Scenarios:
- Three-phase AC generator set grid connection synchronization systems
- Industrial diesel/gas generator parallel operation control
- Off-grid island microgrid generator synchronization control
- Industrial cogeneration power station parallel control equipment
- Non-Woodward engine generator matching Woodward load sharing systems
