Description
The Woodward 8290-072 is a specialized speed control module within the Electrically Powered Governor (EPG) series, expertly configured for single-phase droop applications. Operating on a 12-volt battery architecture, this unit is engineered to deliver precise governing within a frequency range of 1500 to 3000 Hz. As a key component of the Woodward 8290-072 system, it is optimized to pair seamlessly with the 8256-017 and 8256-022 actuators to ensure stable engine performance.
Product Specifications
- Operating Voltage: 12 VDC
- Control Type: Single-Phase Droop Speed Control
- Speed Range: 1500–3000 Hz
- Compatible Actuators: 8256-017, 8256-022
- Operating Temperature: -40 °C to +95 °C
- Dimensions: 195 mm × 160 mm × 150 mm (approximate)
- Weight: 3.9 kg
- Country of Origin: United States
Frequently Asked Questions
💡 Why is this model limited to the 1500-3000 Hz range? This frequency range is specific to the signal input characteristics of the magnetic pickup (MPU). The internal processing logic of the 8290-072 is calibrated to maintain high sensitivity and filtering accuracy specifically within this band, ensuring stable throttle response for engines running at lower frequency counts.
🛠 What is the advantage of pairing this with the 8256-017 and 8256-022 actuators? These actuators are specifically tested for electrical and mechanical compatibility with the 8290-072. Using these validated pairs ensures the governor control loop remains tuned correctly, preventing hunting or instability that can occur when mixing incompatible actuator coil impedances.
⚡ Can I use this 12-volt unit in a 24-volt environment? No, this controller is designed exclusively for 12-volt systems. Utilizing a 24-volt source will cause excessive heat and likely destroy the internal governor circuitry. Always confirm your system voltage before finalizing connections.
🔋 What should I consider for the droop setting during initial commissioning? When setting the droop, start with a conservative percentage and adjust based on the load sharing requirements of your specific generator application. Ensure the engine speed is stable at no-load before applying the load to calibrate the droop behavior accurately.
Recommended Woodward Actuator Series Models
- 8256-010 (Clockwise Rotation)
- 8256-011 (Counter-Clockwise Rotation)
- 8256-016 (Standard EPG Actuator)
- 8256-017 (Compatible EPG Actuator)
- 8256-021 (Compatible EPG Actuator)
- 8256-022 (Compatible EPG Actuator)
- 8256-032 (Load-Sharing Actuator)
- 8256-080 (CCW with Spring Return)
- 8256-087 (Sealed Position Feedback)
- 8290-001
