Description
The Woodward 8290-135 is a high-performance Actuator Driver serving as a central hub within the Electrically Powered Governor (EPG) system. Designed for 12VDC power environments, this driver manages the delicate balance between engine speed control and electrical load distribution. Its primary strength lies in its modularity—it is specifically engineered to accept various load-sharing accessories, allowing operators to integrate multiple generator sets into a unified, synchronized power grid.
Product Technical Details
- Model Number: 8290-135
- Series: EPG (Actuator Driver/Speed Control)
- Operating Voltage: 12 VDC
- Load Sharing Capability: Fully compatible with external load-sharing modules
- System Integration: Compatible with extensive Woodward accessory lineup
- Customization: Dedicated custom installation kits available for specific engine mounting
- Weight: ~1.4 kg
- Country of Origin: United States of America
Common Questions & Answers
💡 What does the “load-sharing” capability mean for my generator? In a multi-generator setup, the 8290-135 allows your system to communicate with other controllers. Instead of one generator taking the brunt of a sudden load increase, the load-sharing accessory tells the 8290-135 to adjust the fuel rate proportionally across all connected units. This prevents any single engine from overloading or struggling to maintain the correct frequency.
⚙️ Why is the “custom installation kit” a key feature for this model? Because the 8290-135 is used across a diverse range of 12V engines, the physical mounting requirements can vary significantly. The availability of a custom installation kit ensures that the driver unit is properly secured, vibration-isolated, and correctly wired into the engine’s specific harness, significantly reducing setup time and preventing installation errors.
🛡️ How does it handle the compatibility with other Woodward accessories? The driver features dedicated inputs and outputs specifically for auxiliary sensors and controllers. Whether you are adding a remote speed setpoint potentiometer, a smoke-limit module, or a more advanced synchronization unit, the 8290-135 is designed as a “plug-and-play” compatible node within the Woodward ecosystem.
🔧 What is the recommended approach for wiring the driver into an existing system? Always refer to the wiring schematic provided with your specific installation kit. Since this unit manages both the speed signal (from the magnetic pickup) and the actuator control, wire shielding is paramount. Grounding all signal wires to a single, clean common point on the engine block will prevent electrical noise from causing the governor to “hunt” or experience erratic behavior.
Recommended Woodward Series & Models
To fully utilize the load-sharing capabilities of the 8290-135, these models are frequently used to expand system functionality:
- Woodward 8256-086 (12V EPG Actuator)
- Woodward 8272-356 (Magnetic Pickup Sensor)
- Woodward 8290-037 (Basic 12V EPG Speed Control)
- Woodward 8270-1002 (701A Digital Governor)
- Woodward 8404-1002 (Peak 150 Controller)
- Woodward 8273-001 (EasyGen 1000 Series)
- Woodward 9907-162 (2301A Load Sharing Controller)
- Woodward 8290-186 (Integrated EPG Control System)
- Woodward 8256-012 (Standard EPG Actuator)
- Woodward 8290-038 (Universal EPG Speed Control)
