Description
Product Overview
The Woodward SPM-D11 is a high-performance synchronizer and load-sharing module designed for precise control of generator sets in parallel operation. As part of Woodward’s renowned SPM-D series, this module ensures seamless synchronization, load distribution, and power management in industrial and commercial power generation systems. The Woodward SPM-D11 is widely used in mission-critical applications where reliability, accuracy, and stability are paramount.
Engineered for both diesel and gas generator systems, the Woodward SPM-D11 provides advanced features such as isochronous speed control, droop compensation, and reactive load sharing. Its robust design and flexible configuration options make it suitable for a wide range of power generation setups, from small backup systems to large-scale industrial plants. The module integrates seamlessly with Woodward’s ProAct™ series and other control systems, ensuring compatibility and ease of deployment.
With its proven track record in power management, the Woodward SPM-D11 is a trusted solution for operators who demand precision, durability, and optimal performance in generator control applications.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | SPM-D11 |
| Manufacturer | Woodward |
| Product Type | Synchronizer and Load-Sharing Module |
| Input Voltage Range | 18–32 VDC |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
| Communication Interface | RS-232/RS-485 (Modbus RTU) |
| Frequency Range | 40–70 Hz |
| Load Sharing Accuracy | ±1% of rated load |
| Synchronization Accuracy | ±0.25° phase angle |
| Protection Rating | IP20 (DIN rail mount) |
| Dimensions (W x H x D) | 72 x 120 x 115 mm (2.8 x 4.7 x 4.5 in) |
| Weight | 0.5 kg (1.1 lbs) |
WOODWARD SPM-D11
Main Features and Advantages
The Woodward SPM-D11 stands out in the market due to its advanced synchronization and load management capabilities. It ensures smooth generator paralleling with ultra-precise frequency and phase matching, minimizing mechanical stress on engines during synchronization. The module supports isochronous and droop control modes, allowing flexible operation based on system requirements.
Key advantages include reactive load sharing, which ensures balanced power distribution between multiple generators, preventing overloading and improving system efficiency. The Woodward SPM-D11 also features built-in diagnostics and fault logging, enabling proactive maintenance and reducing downtime.
Its rugged construction ensures reliable operation in harsh environments, including extreme temperatures and high-vibration settings. The Modbus RTU communication capability allows seamless integration with SCADA and plant control systems for centralized monitoring and control.
Application Field
The Woodward SPM-D11 is widely used in industrial power plants, marine vessels, data centers, and commercial backup power systems. It is ideal for applications requiring multiple generator synchronization, such as hospitals, oil & gas facilities, and remote microgrids.
In marine applications, the Woodward SPM-D11 ensures stable power supply for propulsion and auxiliary systems. For data centers, it provides uninterrupted power during grid failures by efficiently managing backup generators. The module is also deployed in mining and heavy industries, where reliable power distribution is critical for operational safety and productivity.
WOODWARD SPM-D11
Related Products
SPM-D12: An upgraded version with enhanced load-sharing capabilities.
SPM-A11: A compact alternative for smaller generator sets.
ProAct XT: A fully integrated control system compatible with the SPM-D11.
EGCP-3: A generator control panel that pairs well with Woodward synchronizers.
LSM-100: A load-sharing module for simpler applications.
Installation and Maintenance
Pre-installation preparation: Before installing the Woodward SPM-D11, ensure proper voltage supply and verify compatibility with the generator control system. Mount the module on a DIN rail in a well-ventilated enclosure to prevent overheating.
Maintenance recommendations: Regularly inspect wiring connections and perform firmware updates as recommended by Woodward. The Woodward SPM-D11 requires minimal maintenance, but periodic calibration checks ensure optimal performance.
Product Guarantee
Woodward guarantees the SPM-D11 for 24 months from the date of purchase, covering manufacturing defects and component failures. The company provides global technical support and access to firmware updates to ensure long-term reliability. Woodward’s commitment to quality ensures that the SPM-D11 delivers consistent performance in the most demanding power generation environments.
