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Woodward 9907-028 SPM-A Synchronizer Module
Manufacturer: Woodward
Product Number: 9907-028
Category: SPM-A Synchronizer Module
Function: Automatic synchronizer for generators, matching phase, frequency, and voltage with live bus
Application: Power generation and synchronization
Product Description
The Woodward 9907-028 SPM-A Synchronizer Module is an automatic synchronizer designed to bring generators online by matching phase, frequency, and voltage with a live bus before closing the breaker. As part of the Woodward SPM-A (Synchronizer Plus Module) family, the 9907-028 provides precise control for synchronizing one generator to one bus or one generator to another generator. It is widely used in power generation systems to ensure safe and seamless synchronization in both utility and industrial applications.
Key Features
-
Automatic Synchronization–Matches generator frequency, phase, and voltage with the bus
-
Built-In Control Outputs–Provides raise/lower signals for speed and voltage adjustment
-
Manual or Automatic Modes–Supports local and remote control flexibility
-
Breaker Closure Output–Closes breaker when conditions are within safe synchronization limits
-
LED Indicators–Visual status for synchronization parameters and breaker control
-
Rugged Construction–Designed for continuous operation in industrial environments
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 171 × 292 × 57 mm |
| Weight | 2.6 kg |
Electrical Characteristics
| Item | Specification |
|---|---|
| Power Supply | 24 VDC (nominal), 18–32 VDC operating range |
| Frequency Range | 45–65 Hz (for 50/60 Hz systems) |
| Voltage Inputs | 90–150 VAC (L-N, nominal) |
| Sync Accuracy | ±0.2 Hz frequency; ±10° phase angle |
| Speed/Voltage Output | Raise/lower relay contacts (dry contacts) |
| Breaker Close Output | Form A relay contact |
Environmental Ratings
| Item | Specification |
|---|---|
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -55°C to +105°C |
| Humidity | 5%–95% RH (non-condensing) |
| Vibration Resistance | Industrial-grade per IEC/ANSI standards |
System Compatibility
| Item | Specification |
|---|---|
| Compatible Systems | Diesel/gas engine generators, synchronous machines |
| Generator Configurations | Single to bus or generator-to-generator |
| Control Integration | Works with Woodward governors and voltage regulators |
Industry Applications
-
Power Generation Plants–Automatic generator paralleling and synchronization
-
Marine Power Systems–Synchronizing shipboard generators to main bus
-
Industrial Facilities–Safe integration of backup or standby generators
-
Utility Grid Support–Matching on-site generation with public grid standards
-
CHP and Microgrid Systems–Coordinated generator start-up and grid-tie operations
The Woodward 9907-028 SPM-A Synchronizer Module delivers dependable, automatic synchronization of generators in both isolated and grid-connected applications. Its precision, ruggedness, and compatibility with Woodward control systems make it a vital component for maintaining stable and efficient power system operations.
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Woodward 9907-028 SPM-A Synchronizer Module
Manufacturer: Woodward
Product Number: 9907-028
Category: SPM-A Synchronizer Module
Function: Automatic synchronizer for generators, matching phase, frequency, and voltage with live bus
Application: Power generation and synchronization
Product Description
The Woodward 9907-028 SPM-A Synchronizer Module is an automatic synchronizer designed to bring generators online by matching phase, frequency, and voltage with a live bus before closing the breaker. As part of the Woodward SPM-A (Synchronizer Plus Module) family, the 9907-028 provides precise control for synchronizing one generator to one bus or one generator to another generator. It is widely used in power generation systems to ensure safe and seamless synchronization in both utility and industrial applications.
Key Features
-
Automatic Synchronization–Matches generator frequency, phase, and voltage with the bus
-
Built-In Control Outputs–Provides raise/lower signals for speed and voltage adjustment
-
Manual or Automatic Modes–Supports local and remote control flexibility
-
Breaker Closure Output–Closes breaker when conditions are within safe synchronization limits
-
LED Indicators–Visual status for synchronization parameters and breaker control
-
Rugged Construction–Designed for continuous operation in industrial environments
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 171 × 292 × 57 mm |
| Weight | 2.6 kg |
Electrical Characteristics
| Item | Specification |
|---|---|
| Power Supply | 24 VDC (nominal), 18–32 VDC operating range |
| Frequency Range | 45–65 Hz (for 50/60 Hz systems) |
| Voltage Inputs | 90–150 VAC (L-N, nominal) |
| Sync Accuracy | ±0.2 Hz frequency; ±10° phase angle |
| Speed/Voltage Output | Raise/lower relay contacts (dry contacts) |
| Breaker Close Output | Form A relay contact |
Environmental Ratings
| Item | Specification |
|---|---|
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -55°C to +105°C |
| Humidity | 5%–95% RH (non-condensing) |
| Vibration Resistance | Industrial-grade per IEC/ANSI standards |
System Compatibility
| Item | Specification |
|---|---|
| Compatible Systems | Diesel/gas engine generators, synchronous machines |
| Generator Configurations | Single to bus or generator-to-generator |
| Control Integration | Works with Woodward governors and voltage regulators |
Industry Applications
-
Power Generation Plants–Automatic generator paralleling and synchronization
-
Marine Power Systems–Synchronizing shipboard generators to main bus
-
Industrial Facilities–Safe integration of backup or standby generators
-
Utility Grid Support–Matching on-site generation with public grid standards
-
CHP and Microgrid Systems–Coordinated generator start-up and grid-tie operations
The Woodward 9907-028 SPM-A Synchronizer Module delivers dependable, automatic synchronization of generators in both isolated and grid-connected applications. Its precision, ruggedness, and compatibility with Woodward control systems make it a vital component for maintaining stable and efficient power system operations.
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