Overview
The Woodward 9905-002 SPM-A Synchronizer is part of the SPM-A series, designed for automatic synchronization of generator sets and utility buses. It continuously monitors voltage, frequency, and phase angle of the incoming and reference sources, adjusting the offline generator’s speed and voltage until synchronization conditions are met. Once aligned, the module issues a breaker close command, enabling seamless connection.
The 9905-002 supports manual and automatic modes, giving operators flexibility during commissioning and maintenance. Its compact, rugged design is suitable for panel mounting in harsh industrial environments. The module is widely used in power generation, marine, and industrial automation systems where reliable synchronization is critical.
Compatibility with Woodward speed controls and voltage regulators ensures smooth integration into existing control architectures. The synchronizer also includes LED indicators for status and fault diagnostics, simplifying troubleshooting and system monitoring.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | 9905-002 |
| Product Series | SPM-A Synchronizer |
| Dimensions | 150 × 120 × 50 mm |
| Weight | 0.75 kg |
Typical Applications
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Power Generation Plants: Synchronizes backup generators with utility grids or other gensets.
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Marine Propulsion Systems: Aligns onboard generators before paralleling with shore power.
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Industrial Automation: Ensures safe synchronization of distributed power sources.
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Microgrid and Hybrid Systems: Enables dynamic synchronization between renewable and conventional energy sources.
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Retrofit Projects: Upgrades manual synchronization setups to automated control.
FAQ
Q1: What does the 9905-002 synchronizer monitor?
A1: It monitors voltage, frequency, and phase angle between two AC sources.
Q2: Can it operate in manual mode?
A2: Yes, it supports both manual and automatic synchronization modes.
Q3: What happens when synchronization is achieved?
A3: It issues a breaker close command to connect the generator to the grid or bus.
Q4: Is it compatible with Woodward speed controls?
A4: Yes, it integrates with Woodward governors and voltage regulators.
Q5: What industries typically use this module?
A5: Industries include power generation, marine, industrial automation, and microgrid systems.
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