Description
The Woodward 8290-191 is a robust Speed Control Module from the Electrically Powered Governor (EPG) series, specifically designed for industrial applications that require reliable droop-based speed regulation. Operating on a 24V DC battery system, this model is engineered to maintain stable engine performance under varying load conditions by allowing a predictable speed decrease as load increases. With a maximum power consumption of 95 Watts, the 8290-191 is a high-capacity controller capable of driving demanding fuel linkages, and it requires a dedicated battery charger of at least 5 Amps to ensure sufficient current reserves during peak actuation events.
Product Specifications
- Control Mode: Droop speed control
- Input Voltage: 24V DC
- Max Power Consumption: 95 W
- Minimum Charger Requirement: 5 A
- Weight: Approximately 1.15 kg (2.54 lbs)
- Dimensions: 140 mm x 120 mm x 55 mm
- Origin: Primarily manufactured in the United States
Frequently Asked Questions
💡 Why is a minimum 5 A charger required for this model? The 8290-191 has a peak power demand of 95W. When the actuator moves to adjust fuel, it draws significant current from the battery. A 5A (or larger) charger ensures that the battery remains fully topped off and can provide the necessary burst current to the actuator without causing voltage dips that could lead to engine speed instability.
⚙️ How does droop control benefit my specific application? Droop control is essential for parallel operation. By intentionally allowing the engine speed to “droop” as the load rises, this controller ensures that multiple generators sharing the same electrical bus do not fight for control. It provides a natural, stable equilibrium that keeps the power system synchronized.
🛠️ What is the difference between this and isochronous models in the same series? While isochronous models work to keep the engine speed perfectly steady at all times, the 8290-191 is designed to sacrifice a tiny amount of speed precision for system-wide stability. This makes it much more robust in grid-tied or microgrid environments where external load swings are frequent.
🌐 Is the 8290-191 compatible with all 24V actuators? It is optimized for Woodward’s high-capacity actuators. However, as with all EPG components, it is critical to ensure that the internal PID settings of the controller are properly calibrated to the electrical impedance and mechanical travel time of the specific actuator you are deploying.
Recommended Alternative Woodward Series Models
To support your industrial governing and power generation maintenance, the following ten models are frequently utilized in 24V droop or industrial control configurations:
- Woodward 8290-186
- Woodward 8290-149
- Woodward 8290-134
- Woodward 8290-077
- Woodward 8290-073
- Woodward 8290-069
- Woodward 8272-544
- Woodward 8272-545
- Woodward 8273-500
- Woodward 9907-162
