🔵 WOODWARD 9907-028 — SPM-A Synchronizer Module Rev E

High-Precision Generator Synchronization and Load Sharing Module

The 9907-028 SPM-A Synchronizer Module Rev E is designed to provide accurate synchronization and load-sharing functionality for generator sets operating in parallel. It ensures voltage, phase, and frequency alignment between multiple generators, enabling smooth and reliable connection to a common bus without causing transient disturbances or power system instability. The module integrates advanced digital control, fault detection, and communication interfaces for seamless integration with modern industrial power systems.

Ideal for use in multi-generator setups, industrial plants, and mission-critical power applications, the SPM-A module supports both automatic and manual synchronization. Its rugged design allows operation in high-vibration environments and under varying electrical conditions, ensuring reliable performance in demanding industrial and marine applications.

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📑 Technical Parameters (Datasheet-Style Table)

Parameter	Specification
Model	SPM-A Synchronizer Module
Part Number	9907-028 Rev E
Function	Automatic generator synchronization & load sharing
Input Signals	AC voltage, frequency, phase reference from generator units
Output Signals	Synchronization enable, breaker close commands, load-sharing signals
Synchronization Accuracy	±0.1° phase, ±0.1 Hz frequency
Load Sharing	Current-proportional load distribution across parallel generators
Power Supply	18–32 VDC
Control Logic	Embedded microprocessor with real-time computation
Fault Detection	Over/under voltage, frequency mismatch, phase loss, breaker failure
Communication	Optional serial interface (RS-232/485) for diagnostics and remote monitoring
Operating Temperature	–40 °C to +85 °C
Storage Temperature	–55 °C to +105 °C
Mounting	Panel or enclosure backplate
Environmental Rating	Industrial-grade, vibration-resistant, EMI-protected

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⚙ Functional Features

🟩 Automatic Synchronization

Aligns generator voltage, phase, and frequency for smooth breaker closure, eliminating transients during parallel operation.

🟩 Load Sharing

Distributes active and reactive loads proportionally among connected generators, preventing overloading and optimizing fuel efficiency.

🟩 Advanced Fault Protection

Monitors generator conditions continuously. Detects abnormal voltage, frequency, or phase conditions and prevents unsafe synchronization attempts.

🟩 Integration & Communication

Compatible with Woodward governor and control systems, PM motors, and industrial actuator modules. Configurable I/O allows integration with SCADA, PLCs, or supervisory control systems.

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🛠 Installation & Operation Notes

• Mount in a vibration-resistant enclosure with adequate cooling.
• Connect voltage and frequency sensing inputs carefully, observing correct polarity and phase orientation.
• Ensure breaker and actuator interface wiring is secure for reliable operation.
• Commission using step-by-step synchronization tests to verify system response and load-sharing accuracy.

For technical support, spare parts, and integration assistance, distributors such as:
🔗 https://www.dcsplcsystem.com/
🔗 https://www.dcsplcsystem.com/woodward
provide consultation and system configuration guidance.

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