
Product Description
Woodward 9907-028 REV C SPM-A Synchronizer Module
The Woodward 9907-028 REV C SPM-A Synchronizer delivers precision analog control for seamless generator synchronization with busbars or utility grids. Engineered for critical power applications, this module ensures phase-matched connection while protecting equipment from damaging out-of-sync conditions.
Technical Specifications
- Model: 9907-028 REV C
- Type: SPM-A Analog Synchronizer
- Control Method: Analog voltage/frequency matching
- Synchronization Range: ±10% frequency deviation
- Phase Accuracy: ±5 electrical degrees
- Input Voltage: 100-240VAC, 50/60Hz
- Operating Temperature: -20°C to +70°C
- Mounting: Panel or DIN rail compatible
Key Applications
This synchronizer module excels in diverse power generation environments:
- Diesel and gas generator paralleling with utility grids
- Multi-generator busbar synchronization in industrial facilities
- Backup power systems requiring automatic grid transfer
- Marine propulsion and auxiliary power synchronization
- Renewable energy integration with existing power infrastructure
Solution Benefits
The 9907-028 REV C addresses critical synchronization challenges through proven analog technology. Its voltage and frequency matching algorithms prevent mechanical stress on generator components while eliminating electrical transients during connection. The module's fail-safe design includes adjustable dead-band settings and configurable time delays, ensuring controlled synchronization even under fluctuating grid conditions.
Frequently Asked Questions
Q: What is the difference between SPM-A and SPM-D synchronizers?
A: SPM-A models use analog control circuitry for voltage/frequency matching, while SPM-D versions employ digital microprocessor-based control with enhanced diagnostics and communication capabilities.
Q: Can this synchronizer work with both 50Hz and 60Hz systems?
A: Yes, the 9907-028 REV C automatically adapts to both 50Hz and 60Hz grid frequencies within its specified synchronization range.
Q: What happens if synchronization conditions are not met?
A: The module prevents breaker closure until voltage magnitude, frequency, and phase angle are within acceptable tolerances, protecting equipment from damage.
Q: Is external programming required for basic operation?
A: No, the unit ships with factory default settings suitable for most applications. Adjustments can be made via internal potentiometers without specialized software.
Warranty & Support
All units include a comprehensive 12-month warranty covering manufacturing defects and component failures. Technical support and application engineering assistance are available throughout the product lifecycle.
Related Products
Explore complementary synchronization and generator control solutions:
- Woodward 9907-028 SPM-A Synchronizer - Standard version without REV C enhancements
- Woodward 8440-2166 SPM-D2-10 Synchronizer - Digital synchronizer with advanced diagnostics
- Woodward 8440-1560 Engine Generator Control - Complete engine-generator control package
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