Description
The Woodward 8290-078 is a specialized Speed Control module from the Electrically Powered Governor (EPG) series, specifically engineered for applications where auxiliary systems are limited. By operating without the need for hydraulic oil supplies or mechanical engine drives, this unit provides a clean, simplified installation path for modern prime movers. It is designed to integrate seamlessly with the broader Woodward ecosystem, making it a highly adaptable choice for retrofitting or new build projects where efficiency and component compatibility are paramount.
Product Technical Details
- Model Number: 8290-078
- Series: EPG (Speed Control)
- Operational Requirement: No hydraulic oil or mechanical drive necessary
- System Integration: Fully compatible with Woodward accessory suite
- Weight: ~1.25 kg
- Country of Origin: United States of America
Common Questions & Answers
💡 What does “no hydraulic oil or mechanical drive” mean for the installation? Traditional governors often rely on a drive connection to the engine’s camshaft or an external hydraulic pressure system to operate the fuel linkage. The 8290-078 is a “pure” electronic solution; it utilizes a magnetic pickup for speed sensing and an electrical signal to move the actuator. This eliminates the risk of oil leaks, removes the need for regular drive gear maintenance, and simplifies the physical mounting process in cramped engine bays.
⚙️ Why is compatibility with other Woodward accessories important? Woodward’s ecosystem includes a wide range of load-sharing modules, synchronization controllers, and sensors. Because the 8290-078 is designed for full compatibility, you can easily add features like remote speed adjustment, load-share lines, or advanced protection monitoring without replacing the core governor unit. It ensures your power system can scale as your operational requirements grow.
🛡️ How does this model maintain stability without a mechanical drive? The unit relies entirely on its internal PID (Proportional-Integral-Derivative) control logic. It processes the frequency input from a magnetic pickup (MPU) and reacts to any speed deviations by sending a precise current signal to the actuator. Because it is purely electronic, the response time is significantly faster than traditional mechanical-hydraulic governors, allowing for superior transient load performance.
🔧 What is the typical maintenance cycle for an all-electric governor? Unlike hydraulic governors, the 8290-078 has no fluids to change and no moving parts within the control unit itself. Maintenance is largely reduced to verifying the condition of the magnetic pickup, ensuring the external actuator linkage remains free of debris or binding, and performing an occasional check of the electrical connections to ensure no corrosion has built up.
Recommended Woodward Series & Models
To build a fully optimized power control solution using the 8290-078, consider these related Woodward components:
- Woodward 8256-021 (524 Configuration Actuator)
- Woodward 8272-356 (Magnetic Pickup Sensor)
- Woodward 8256-016 (1724 Model Actuator)
- Woodward 8290-038 (Universal EPG Speed Control)
- Woodward 8270-1002 (701A Digital Governor)
- Woodward 8404-1002 (Peak 150 Digital Controller)
- Woodward 8273-001 (EasyGen 1000 Series)
- Woodward 9907-162 (2301A Load Sharing Controller)
- Woodward 8290-186 (Integrated EPG System)
- Woodward 8290-037 (Basic 12V EPG Control)
