The Woodward 9905‑463 is a specialized synchronizer and load share interface module designed to reliably manage the critical task of synchronizing generators to a common bus and coordinating load sharing in parallel power system configurations. Combining precise frequency, voltage, and phase matching with robust interface outputs for governor/load sharing systems, this module fits seamlessly into industrial generator control racks and paralleling applications.
Widely used in power plants, marine power systems, and distributed energy infrastructure, the 9905‑463 enhances system stability by ensuring smooth, controlled generator connection and coordinated load distribution between units during operation.
Technical Specifications
| Specification | Details |
|---|---|
| Model | 9905‑463 |
| Module Type | Generator Synchronizer / Load Share Interface |
| Function | Controls frequency, voltage, and phase for paralleling; provides load share bias outputs |
| Control Method | Phase‑Locked Loop (PLL) synchronization logic |
| Input Power | 115 VAC or 230 VAC main supply |
| Frequency Range | 50 Hz / 60 Hz compatible |
| Voltage Matching | ±1–2% control accuracy for stable paralleling |
| Phase Matching Window | ±5°–10° typical tolerance |
| Communication Outputs | Load share bias outputs, breaker close control signals |
| Signal Outputs | Speed bias, breaker close relay, analog bias outputs |
| Operating Temp. | –20 °C to +70 °C |
| Mounting | Panel‑mount design |
| Dimensions (L × W × H) | Approx. 260 × 200 × 50 mm |
| Weight | ~1.8 kg |
| Status | OEM Woodward legacy part; available through surplus/refurbish channels |
Typical physical data assembled from product references, supplier listings, and module family characteristics.
Recommended Related Models
- Woodward 9905‑002 / 9905‑002N – Classic SPM‑A synchronizer modules
- Woodward 9907‑028 – Synchronizer alternative with different outputs
- Woodward 8271‑467 – Load sharing & speed control module
- Woodward 2301 Series Controllers – Governor and load sharing control
- Woodward EGCP‑3 / easYgen systems – Integrated generator control packages
Popular Woodward Control Platforms
- Parallel generator synchronizer modules
- Load sharing and governor control systems
- EGCP (Engine Generator Control Package) interfaces
- Power management and paralleling controllers
- Safety & overspeed protection systems
