Digital guide
You are here:
Woodward 9905-797
Product Name: Enhanced SPM Automatic Generator Speed Synchronizer Module
Detailed Product Introduction: Upgraded high-performance analog automatic synchronization unit of Woodward 9905 series. It performs real-time high-precision detection of generator-bus voltage difference, frequency difference and phase difference, automatically adjusts prime mover speed and voltage parameters, completes safe and fast automatic grid-connected parallel operation, and cooperates with Woodward governor systems to realize stable load sharing after parallel connection.
Detailed content
Full Technical Specifications:
- Rated Power Supply: 115VAC / 230VAC, 50/60Hz universal input
- Detectable Frequency Range: 45Hz ~ 65Hz
- Phase Synchronization Accuracy: ≤±4 electrical degrees
- Allowable Closing Frequency Difference Before Parallel: ≤0.25Hz
- Speed Adjustment Output: Fully isolated analog control signal
- Closing Delay Time: 0–5s continuously adjustable
- Operating Temperature Range: -20℃ to +70℃
- Net Weight: 0.33kg
Comprehensive Function Features: Enhanced anti-interference signal detection circuit; automatic voltage matching, frequency tracking and phase alignment three-in-one synchronization; complete closing interlock and anti-reclosing protection logic; adjustable closing delay parameters; stable analog control architecture; wide compatibility with Woodward governors and AVR voltage regulators; easy on-site commissioning and maintenance.
Detailed Application Scenarios: Industrial diesel/gas generator set automatic parallel systems; marine ship auxiliary power station synchronization control; distributed independent off-grid power stations; mining area generator power units; construction site mobile emergency power parallel systems.
