The WOODWARD 2301A 9907-018 REV C is a specialized electronic control assembly designed for the precision management of engine and turbine speeds. This low-voltage variant is specifically engineered to provide stable governing and proportional load sharing for prime movers in both single-unit and multi-generator configurations.
Product Overview
The 2301A series serves as the primary interface between the engine’s mechanical output and its electrical or mechanical load. The 9907-018 model monitors speed via a magnetic pickup and regulates fuel delivery through an actuator to maintain a precise setpoint. In parallel operations, it ensures that all connected generators share the total load proportionally, preventing any single unit from being overloaded or back-driven.
Technical Datasheet & Parameters
| Parameter | Specification |
| Model Number | 2301A (9907-018) |
| Revision | REV C |
| Input Voltage | 18–40 VDC (Low Voltage Range) |
| Power Consumption | ≤ 5W |
| Speed Sensing | Magnetic Pickup (1.0 to 30 Vrms) |
| Actuator Output | 0–200 mA DC |
| Speed Range | 500 Hz to 25,000 Hz (High/Low Range Selectable) |
| Ambient Temp | -40°C to +70°C |
| Humidity | 95% at 38°C (Non-condensing) |
| Weight | Approx. 1.2 kg |
Country of Origin
The WOODWARD 2301A 9907-018 is designed and manufactured in the USA.
Application Fields
- Backup Power Systems: Ensuring instantaneous frequency stability during grid failures.
- Marine Power Generation: Synchronizing shipboard auxiliary engines for parallel bus operation.
- Oil and Gas Operations: Speed control for turbines driving pumps or compressors.
- Industrial Cogeneration: Managing load sharing in combined heat and power (CHP) plants.
- Mobile Power Units: Reliable governing for portable generator sets in remote areas.
Technical Description
The REV C hardware utilizes an analog control loop to provide near-instantaneous response to transient load changes. The unit incorporates a built-in speed-sensing circuit that translates high-frequency pulses from a magnetic pickup into a usable control signal. It features adjustable PID (Proportional, Integral, Derivative) settings, allowing for custom tuning of the engine’s dynamic response. The load-sharing circuitry is designed to work with external Current Transformers (CTs) and Potential Transformers (PTs) to calculate real-time power output and distribute the electrical burden across the system.
Usage Instructions
- Mechanical Mounting: Secure the 2301A chassis to a vertical surface within a vibration-resistant control cabinet. Ensure adequate ventilation for the heat-generating components.
- Electrical Connections: Use shielded cables for the Magnetic Pickup (MPU) and Actuator lines to prevent electromagnetic interference from affecting the speed signal.
- Voltage Verification: Confirm the supply voltage is within the 18–40 VDC range. Improper voltage can lead to unstable governing or hardware failure.
- Initial Calibration: With the engine at rest, set the “Rated Speed” potentiometer. After startup, adjust “Gain” and “Stability” to achieve a smooth idle and crisp response to load steps.
- Load Sharing Setup: For parallel operation, connect the “Parallel Lines” between all 2301A units. Calibrate the “Load Gain” to ensure each generator carries its percentage of the load relative to its capacity.
For procurement and technical support regarding the WOODWARD 2301A 9907-018, please contact our distribution office.
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