The Woodward 9907-018 is a versatile control unit designed for use in electric generator systems. It provides precise speed control and proportional load sharing for engines equipped with diesel, gas, or gasoline fuel systems. This model is housed in a rugged chassis, making it suitable for mounting in a control cabinet or on an engine skid.
Product Specifications
| Feature | Specification |
| Model Number | 9907-018 (2301A Series) |
| Input Voltage | 20–40 VDC (High Voltage versions also available) |
| Magnetic Pickup | 1.0 to 30 Vrms |
| Load Sharing | 0 to 6 VDC |
| Operating Temperature | -40°C to +70°C |
| Speed Range | Low range: 500–1500 Hz / High range: 2500–7500 Hz |
| Output Signal | 0–200 mA (for actuators) |
| The Woodward 2301A 9907-018 ensures high-performance regulation by managing both engine speed and proportional load sharing across multiple generator sets. Its analog circuitry is engineered for maximum reliability and electromagnetic compatibility, offering a cost-effective solution for complex power management needs where synchronized output is critical. |
Differences from Similar Models
Unlike the 2301D series, which utilizes digital programming and software-based configuration, the 9907-018 belongs to the 2301A analog family. This means it relies on manual potentiometers for calibration, making it easier to adjust in the field without a computer. Compared to the 9907-014 (Low Voltage) model, the 9907-018 is specifically configured for standard actuator current ranges and specific frequency bands, ensuring it remains the industry standard for traditional analog Governor systems.
9907-018 Drive Interface/Operator by WOODWARD
Operational Tips
- Calibration: Always use a non-conductive adjustment tool when turning the potentiometers to prevent accidental shorts or signal interference.
- Shielding: To avoid “ghost” signals or speed instability, ensure that the Magnetic Pickup (MPU) wires are twisted-pair and shielded, with the shield grounded only at the control end.
- Load Gain: When setting up load sharing, ensure the “Load Gain” is adjusted while the generator is under at least 50% load to achieve the most accurate proportional balance between units.
