Woodward 9905-001
Product Full Name: Woodward 9905-001 SPM-A Series Speed & Phase Automatic Synchronizer Module
Product Introduction: Original microprocessor-based SPM-A synchronizer module from Woodward 9905 series, dedicated for generator parallel grid connection control. This model excludes voltage matching function, only performs automatic frequency and phase angle matching control, and automatically outputs circuit breaker closing signal when parameters meet safe paralleling conditions.
Detailed content
Technical Specifications:
- Operating Power Supply: 88–132 VAC / 90–150 VDC, 50/60Hz
- Power Consumption: ≤5W
- Frequency Detection Range: 45–65Hz
- Phase Matching Accuracy: ±10° adjustable closing angle
- Frequency Matching Accuracy: ±0.2Hz
- Output Contacts: Dry relay contacts, 2A@28VDC
- Operating Temperature: -40°C to +70°C
- Certifications: CE, UL industrial certification
Functional Features:
- Fully automatic generator frequency and phase matching control
- No voltage matching function, dedicated for specific parallel systems
- Adjustable synchronization dynamic parameters matching different engines
- Automatic breaker closing control under safe matching conditions
- Complete parameter monitoring and abnormal locking protection logic
- Full compatibility with Woodward 2301A/2301E governor systems
Application Scenarios:
- Diesel/gas generator set parallel grid connection systems
- Isolated microgrid multi-generator parallel operation
- Marine ship auxiliary generator synchronization control
- Industrial CHP cogeneration power station parallel systems
- Distributed off-grid power station synchronization control












