Description
WOODWARD 9905-003 SPM-A Synchronizer
1. Product Description
The WOODWARD 9905-003 SPM-A Synchronizer is a high-performance module designed to enable seamless synchronization of generators in distributed power systems. Engineered for diesel and gas engines, this device ensures precise frequency, phase, and optional voltage matching, allowing automatic circuit breaker closure when conditions are met. With adjustable dynamics and compatibility with Woodward’s 2301, 2301A, and EPG load-sharing systems, the 9905-003 enhances operational efficiency in critical applications such as backup power, industrial grids, and hybrid energy installations.
The WOODWARD 9905-003 SPM-A Synchronizer is a high-performance module designed to enable seamless synchronization of generators in distributed power systems. Engineered for diesel and gas engines, this device ensures precise frequency, phase, and optional voltage matching, allowing automatic circuit breaker closure when conditions are met. With adjustable dynamics and compatibility with Woodward’s 2301, 2301A, and EPG load-sharing systems, the 9905-003 enhances operational efficiency in critical applications such as backup power, industrial grids, and hybrid energy installations.
2. Key Technical Parameters
| Parameter | Specification |
|---|---|
| Input Voltage | 115/230 VAC RMS (±10%) |
| Frequency Range | 50/60 Hz (bus and generator) |
| Phase Angle Tolerance | ±10° |
| Voltage Matching | ±5% (optional) |
| Output Options | High impedance, low impedance, EPG |
| Dynamic Adjustment | User-selectable (fast/slow) |
| Operating Temperature | -20°C to +60°C |
| Dimensions | 19.1 cm × 2.5 cm × 23.5 cm |
| Weight | 0.3 kg |
WOODWARD 9905-003
3. Advantages and Features
- Precision Synchronization: Biases offline generator speed to match frequency and phase with the grid or another generator, ensuring stable parallel operation.
- Flexible Dynamics: Adjustable response times (fast/slow) accommodate small/medium diesel engines and larger turbomachinery.
- Three Output Modes: High/low impedance and EPG options for versatile system integration.
- Rapid Circuit Breaker Control: Closure signal issued within specified match-up time (typically ≤500 ms).
- Compact Design: Space-efficient layout for easy installation in confined spaces.
4. Application Areas and Case Studies
Industry:
Industry:
- Backup Power Systems: Ensures seamless transition between grid and generator power in data centers.
- Industrial Manufacturing: Stabilizes power supply for machinery in factories.
- Hybrid Energy: Synchronizes diesel generators with renewable energy sources.
Case Study:
A manufacturing plant in Texas integrated the 9905-003 to synchronize two 500 kW diesel generators. The module reduced synchronization time by 40%, minimizing downtime during grid outages and improving load balance.
A manufacturing plant in Texas integrated the 9905-003 to synchronize two 500 kW diesel generators. The module reduced synchronization time by 40%, minimizing downtime during grid outages and improving load balance.
5. Competitive Comparison
- Wider Phase Tolerance: ±10° vs. typical ±5° in comparable models.
- Dynamic Flexibility: Adjustable response times for diverse engine sizes.
- Multiple Output Options: Supports high/low impedance and EPG systems, offering broader compatibility.
WOODWARD 9905-003
6. Selection Recommendations
- Voltage and Frequency: Verify input requirements (115/230 VAC, 50/60 Hz) match your system.
- Engine Size: Choose dynamic settings (fast/slow) based on generator capacity.
- Integration Needs: Ensure compatibility with existing load-sharing controls (e.g., Woodward 2301A).
7. Precautions
- Voltage Stability: Avoid voltage spikes during installation to prevent module damage.
- Cooling: Ensure adequate ventilation in high-temperature environments.
- Calibration: Regularly check phase and frequency alignment for optimal performance.
