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The 8273-128 is a high-precision digital load sharing and speed governing module from Woodward’s 2301A series. It is purpose-built for multi-generator synchronization, proportional load distribution, and stable frequency control under varying load conditions.
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The 8273-128 is a high-precision digital load sharing and speed governing module from Woodward’s 2301A series. It is purpose-built for multi-generator synchronization, proportional load distribution, and stable frequency control under varying load conditions.
Housed in a rugged metal chassis, it withstands high vibration, temperature extremes, and EMI typical of industrial and marine engine rooms. The module supports isochronous or droop control, making it ideal for grid-parallel or multi-engine setups.
| Specification | Description |
|---|---|
| Model Series | 2301A Digital Load Sharing |
| Part Number | 8273-128 |
| Primary Functions | Load Sharing, Speed Governing, Soft Loading/Unloading |
| Input Voltage | 18–40 VDC (24 VDC Nominal) |
| Power Consumption | 15 W maximum |
| Signal Inputs | Magnetic Pickup (MPU) for speed; CT/PT for load sensing |
| Control Range | 500 Hz – 25,000 Hz (MPU) |
| Output Interface | Dual-acting or single-acting proportional actuator signals |
| Load Sharing Logic | Isochronous or Droop (user-selectable) |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
| Dimensions | 203 mm x 203 mm x 89 mm |
| Weight | 1.8 kg |
Marine propulsion engines
Offshore drilling generator sets
Remote or distributed power stations
Multi-engine or grid-parallel power generation
The 8273-128 ensures smooth load transitions, prevents frequency hunting, and maintains stable operation in mission-critical environments.
Can this module work with third-party actuators?
Yes, it supports Woodward and non-Woodward actuators, and can be calibrated to provide the required current or voltage signals for most industrial fuel valves.
Why choose the 2301A digital architecture over analog governors?
Digital design provides superior thermal stability, immunity to component aging, and precise PID control, eliminating the periodic recalibration needed in analog governors due to resistor drift.
