Description
The Woodward 8290-045 is a dedicated speed control module within the EPG System Series, engineered for applications that require droop speed regulation. Optimized for gasoline and gas-fueled engines, this unit operates effectively within a frequency range of 3000 to 6000 Hz. Designed to ensure stable governing under varying load conditions, this Woodward 8290-045 controller provides precise signal processing to drive compatible actuators, maintaining engine consistency in industrial environments.
Product Specifications
- Operating Voltage: 24 VDC
- Speed Range: 3000–6000 Hz
- Control Type: Droop Speed Control
- Engine Compatibility: Gasoline and Gas Engines
- Compatible Actuators: 8256-021, 8256-016
- Operating Temperature: -40 °C to +95 °C
- Dimensions: 180 mm × 145 mm × 135 mm (approximate)
- Weight: 3.6 kg
- Country of Origin: United States
Frequently Asked Questions
💡 What is the purpose of “Droop” speed control in this model? Droop speed control allows the engine to decrease its speed slightly as the load increases. This is a fundamental requirement for parallel generator operations, as it enables the governor to share the electrical load proportionally with other interconnected units without fighting for control.
🛠 Why is this model restricted to the 3000-6000 Hz range? This frequency range corresponds to the signal input from the Magnetic Pickup (MPU) mounted on the engine flywheel. The internal circuitry of the 8290-045 is calibrated to accurately interpret pulses within this window; operating outside these limits may lead to poor resolution or signal instability.
⚡ Can I use actuators other than the 8256-021 or 8256-016? While these specific models are verified for use with the 8290-045, using other actuators may result in impedance mismatches or improper response times. Always ensure that the actuator coil resistance matches the current output capabilities of the controller to prevent potential damage.
🔋 What is the primary benefit of using this model for gas/gasoline engines? Gas and gasoline engines often exhibit rapid transient responses. The 8290-045 is tuned to handle the fuel-air delivery dynamics of these engines, providing a smoother transition during load changes compared to generic industrial governors.
Recommended Woodward Actuator Series Models
- 8256-010 (Clockwise Rotation)
- 8256-011 (Counter-Clockwise Rotation)
- 8256-016 (Standard EPG Actuator)
- 8256-021 (Compatible EPG Actuator)
- 8256-032 (Load-Sharing Actuator)
- 8256-080 (CCW with Spring Return)
- 8256-087 (Sealed Position Feedback)
- 8270-1002
- 8270-1003
- 8290-001
