Woodward 8440-1409
Product Name: SPM-D10 Synchronizer Module
Product Introduction: A microprocessor-based automatic synchronizer for three-phase AC generators, designed to work with Woodward speed controls and AVRs. Matches generator frequency, phase, and voltage to the bus for seamless parallel connection, with integrated protection and fault diagnostics for reliable grid connection.
Detailed content
Technical Specifications:
- System Compatibility: Three-phase AC generators (50/60 Hz)
- Voltage Range: 120–480 VAC (generator/bus sensing)
- Frequency Range: 40–70 HzWoodward
- Synchronization Accuracy: ≤ 0.5° phase angle, ≤ 0.5 Hz frequency difference
- Response Time: ≤ 2 seconds (full synchronization)
- Control Output: Analog bias signal (4–20 mA) to speed/voltage controllers
- Power Supply: 12/24 VDC (9.5–32 VDC)
- Operating Temperature: -20 °C to +70 °C
- Protection Grade: IP30 (panel-mounted)
Functional Features:
- Automatic frequency, phase, and voltage matching for synchronization
- Phase-match or slip-frequency synchronization modes
- Two-phase or three-phase sensing of generator and bus voltages
- Integrated synchro-check protection (prevents out-of-phase closing)
- Adjustable synchronization parameters (speed, voltage, phase tolerance)
- LED indicators for synchronization status and fault alarms
- Compatible with Woodward easYgen, 505, and 72X series controllers
- Compact design for panel or DIN rail mounting
Application Scenarios:
- Industrial generator set parallel operation with grid or other gensets
- Marine vessel integrated power distribution systems
- Data center and hospital emergency power grid connection
- Island and micro-grid generator synchronization
- Commercial complex backup generator parallel systems












