Description
Woodward’s 2301A series load sharing and speed control model 9905-028 is rated for use in ordinary locations and is specifically designed to be used with diesel or gasoline engines. It provides precise speed regulation and active power load sharing for engine-driven generator sets, ensuring stable and reliable power grid synchronization and prime mover control.
📊 Technical Specifications & Datasheet Parameters
• Brand: Woodward
• Model: 9905-028
• 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 1.5 kg (3.3 lbs)
• Country of Origin: United States
• Power Consumption / Power: 20–40 Vdc control power supply input (Max 25 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 within ordinary, non-hazardous locations to shield internal circuitry from ambient moisture, corrosive elements, and high vibration levels. All control wiring, 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, gain adjustments, and terminal configurations before powering on the control loop.
🔌 Power-Up & Power-Down Sequence
Power-Up Sequence:
- Inspect all external wiring, 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 engine fuel flow.
Power-Down Sequence:
- Unload the engine safely and bring the generator set to a complete stop.
- Disengage any external actuator control signals and lock out fuel delivery systems.
- Remove the 20–40 Vdc control power supply from the 9905-028 unit.
- Allow internal components to de-energize completely before performing wiring or maintenance tasks.
❓ Frequently Asked Questions (Q&A)
Q: What operating environments is the Model 9905-028 certified for?
A: This controller is rated for use in ordinary, non-hazardous industrial locations, making it ideal for standard indoor engine control rooms and generator enclosures.
Q: What types of prime movers is this controller designed to support?
A: The Model 9905-028 is specifically optimized for use with diesel or gasoline engines to manage governing and load-sharing functions.
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 9905-024 (2301A Dual Actuator Control)
- 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)
