🔵 WOODWARD 9907-028 SPM-A SYNCHRONIZER MODULE — Rev E
Precision Generator Synchronization and Load Management Module
The 9907-028 SPM-A Synchronizer Module Rev E is engineered for accurate synchronization and load sharing of multiple generator sets in industrial, power plant, and standby applications. It ensures generators operate in phase and frequency alignment while balancing loads across parallel units, improving system stability and efficiency.
This module is designed for integration with Woodward digital and analog controllers, providing precise phase angle and voltage monitoring, automatic synchronization, and adjustable load-sharing settings. Its robust construction allows reliable operation under high vibration, temperature extremes, and electrically noisy environments.
📑 Technical Parameters (Datasheet-Style Table)
| Parameter | Specification |
|---|---|
| Model | SPM-A Synchronizer Module |
| Part Number | 9907-028 Rev E |
| Module Type | Generator synchronization and load sharing |
| Input Voltage | Compatible with standard generator AC signals |
| Phase Measurement | 3-phase voltage sensing |
| Frequency Range | 45–65 Hz standard, configurable |
| Synchronization Accuracy | ±0.1° phase angle |
| Load Sharing | Automatic load distribution among parallel units |
| Control Interface | Analog and digital connections to Woodward controllers |
| Power Supply | 18–32 VDC |
| Operating Temperature | –40 °C to +85 °C |
| Storage Temperature | –55 °C to +105 °C |
| Communication | Optional serial interface for diagnostics and monitoring |
| Mounting | Panel or enclosure-mounted |
| Environmental Rating | Industrial-grade, vibration and EMI resistant |
âš™ Functional Features
🟩 Automatic Generator Synchronization
Monitors voltage, frequency, and phase angle to bring multiple generators online in perfect synchronization. Ensures smooth transfer and eliminates transient disturbances during paralleling.
🟩 Load Sharing & Balancing
Distributes load proportionally among parallel units to prevent overloading and reduce mechanical and electrical stress. Adjustable droop settings allow precise load regulation.
🟩 Protection & Fault Monitoring
Detects out-of-sync conditions, voltage imbalances, or frequency deviations. Provides protective alarms and can signal controlled shutdown to prevent generator damage.
🟩 Flexible Integration
Interfaces seamlessly with Woodward engine controllers, PM motors, and auxiliary modules. Analog and digital I/O provide versatile connection to supervisory systems for monitoring and control.
🛠Installation & Operation Notes
- Install the module in a vibration-resistant enclosure with adequate ventilation.
- Ensure all phase and voltage sensing connections are properly shielded to avoid electrical interference.
- Verify system calibration during commissioning, including phase angle, frequency, and load-sharing settings.
- Periodically inspect wiring and connections for wear or corrosion, particularly in industrial environments.
Authorized support, spare parts, and system integration guidance are available via:
🔗 https://www.dcsplcsystem.com/
🔗 https://www.dcsplcsystem.com/woodward
📦 Recommended Similar Products
| Model | Description | Function | Application Focus |
|---|---|---|---|
| 9907-173 Load Sharing Module Rev B | Load distribution module | Parallel generator load balancing | Multi-generator systems |
| 8272-683 Digital Reference Unit | Digital speed reference | Provides precise speed and phase setpoints | Diesel and gas engines |
| 9906-620 723 Plus Digital Control | Engine and generator control | Speed, load, and actuator management | Industrial engines and turbines |
| 9907-014 Forward Acting Speed Control 2301A Rev J | Engine speed controller | Forward-acting speed regulation | Generator sets, prime movers |
| SPM-B Synchronizer Module | Advanced generator synchronization | Phase and frequency alignment | Power plants and critical standby systems |
E-mail:dcsplcsales@gmail.com
Wechat:+86 13365909307
Phone:+86 13365909307