Description
The Woodward 8290-190 is a high-performance isochronous speed control module, precision-engineered to provide stable RPM management for diesel turbine prime movers. As a specialized unit within the Woodward 8290-190 series, this controller delivers reliable, constant-speed operation on 12-volt DC systems. Designed for industrial efficiency, this model provides the necessary control logic to handle the unique combustion and load-transition characteristics of diesel turbine systems.
Product Specifications
- Operating Voltage: 12 VDC
- Control Type: Isochronous Speed Control
- Engine Compatibility: Diesel Turbine
- Start Fuel Limit: Not included (Requires external management if necessary)
- Minimum Power Supply: 5 A Battery Charger
- Operating Temperature: -40 °C to +95 °C
- Dimensions: 215 mm × 180 mm × 170 mm (approximate)
- Weight: 4.3 kg
- Country of Origin: United States
Frequently Asked Questions
💡 Why is the 5 A battery charger requirement critical? The governor and its associated actuator draw significant current, especially during engine cranking and transient load adjustments. A charger rated for at least 5 A ensures that the 12-volt battery remains at a stable voltage level, preventing the “brown-out” conditions that can cause the governor to lose control or cycle erratically.
🛠 Since there is no “Start Fuel Limit,” what should I do during ignition? The lack of an integrated start fuel limit means that fuel delivery during the cranking phase is managed by the engine’s manual or alternative electronic fuel system controls. Ensure that your secondary fuel management setup is correctly configured to prevent flooding or excessive smoke during startup.
⚡ What is the benefit of the isochronous control for a diesel turbine? Diesel turbines require precise fuel metering to maintain a constant speed regardless of external electrical or mechanical load changes. This isochronous controller provides the “steady-state” accuracy needed to keep the turbine at its peak efficiency point without allowing speed to “droop” under load.
🔋 How do I ensure the stability of the 12-volt supply? Beyond the 5 A charger, ensure that the battery connections are clean and tight. Voltage spikes or dips caused by loose terminals or high-resistance wiring will directly interfere with the governor’s ability to read the speed signal correctly, potentially leading to turbine instability.
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
