Description
Woodward’s 2301A series load sharing and speed control model 9905-024 is a forward-acting model designed to provide precise speed regulation and load control for diesel, gas, and steam turbines or engines. Featuring dual actuator outputs with an actuator current range of 0 to 200 mA, this unit governs prime mover speed and coordinates load sharing across multiple parallel-running generator sets with high reliability and precision.
📊 Technical Specifications & Datasheet Parameters
• Brand: Woodward
• Model: 9905-024
• Series: 2301A
• Product Name: Load Sharing and Speed Control
• Place of Origin: United States
• Operational Status: Active / Industrial Grade
• Dimensions: Approximately 200 mm × 150 mm × 80 mm (7.9 in × 5.9 in × 3.1 in)
• Weight: Approximately 1.6 kg (3.5 lbs)
• Country of Origin: United States
• Power Consumption / Power: 20–40 Vdc control power supply input (Max 30 W)
⚙️ Operation Standards & Usage Methods
Installation must strictly adhere to the manufacturer’s technical manual and be executed by qualified control system technicians. Mount the unit securely inside a protective NEMA/IP-rated industrial cabinet to shield internal circuitry from ambient moisture, corrosive elements, and high vibration levels. All control wiring, dual actuator connections, magnetic pickup (MPU) speed sensors, and power input leads must be shielded and properly grounded to eliminate electromagnetic interference (EMI). Verify all switch settings, forward-acting response characteristics, and gain adjustments before powering on the control loop.
🔌 Power-Up & Power-Down Sequence
Power-Up Sequence:
- Inspect all external wiring, dual actuator links, speed sensing probes, and terminal block connections to ensure secure termination.
- Apply the 20–40 Vdc control power supply to the unit.
- Monitor internal indicator LEDs to confirm successful startup and self-diagnostics.
- Check input signal responses to ensure proper operation before enabling prime mover fuel flow.
Power-Down Sequence:
- Unload the prime mover safely and bring the engine or turbine to a complete stop.
- Disengage any external actuator control signals and lock out fuel or steam delivery systems.
- Remove the 20–40 Vdc control power supply from the 9905-024 unit.
- Allow internal components to de-energize completely before performing wiring or maintenance tasks.
❓ Frequently Asked Questions (Q&A)
Q: What does the dual actuator configuration provide on the Model 9905-024?
A: The dual actuator outputs allow the controller to drive two separate fuel or steam actuators simultaneously, providing balanced control and increased reliability for complex turbine or engine governing systems.
Q: What is the actuator current output range for this model?
A: The unit provides an actuator current range of 0 to 200 mA to modulate compatible industrial control valves and actuators.
Q: Can this controller manage multiple generators in parallel?
A: Yes, the 2301A series is specifically designed to provide precise load sharing capabilities when interconnected with other compatible governing systems on isolated or utility-parallel power grids.
🚀 Recommended Woodward Models
- Woodward 9905-020 (2301A Individual Actuator Control)
- Woodward 8272-611 (2301A Load Sharing and Speed Control)
- Woodward 9907-018 (2301A Standard Speed Control)
- Woodward 9907-162 (2301D Digital Load Sharing and Speed Control)
- Woodward 9900-432 (Forward-Acting 110V Load Sharing and Speed Control)
- Woodward 8200-220 (505 Digital Turbine Controller)
- Woodward 8200-221 (505E Export and Extraction Turbine Controller)
- Woodward 8404-204 (723PLUS Digital Governor)
- Woodward 5464-672 (MicroNet Plus Control System)
- Woodward 8237-1596 (ProTech-GII Overspeed Protection Device)
