WOODWARD SPM-D 8440-1667 Rev D Technical Specifications
WOODWARD SPM-D 8440-1667 Rev D is a microprocessor-based synchronizer module designed for automatic synchronization of three-phase AC generators. It performs automatic matching of frequency, phase angle, and voltage between the generator and the busbar.
General Specifications
| Specification |
Value |
| Manufacturer |
Woodward |
| Model |
8440-1667 Rev D |
| Series |
SPM-D10/XN |
| Product Type |
Generator Synchronizer Module |
| Application |
Three-phase generator synchronization |
| Synchronization Type |
Automatic frequency, phase, and voltage matching |
| Control Type |
Analog + discrete bias outputs |
| Display |
2-line LCD display |
| Configuration |
Front panel or PC configuration |
| Language Options |
English / German |
| Protection Rating |
IP42 (front panel) |
| Certifications |
CE, UL/cUL |
Power Supply Specifications
| Parameter |
Value |
| Supply Voltage |
90–250 VAC / 120–375 VDC |
| Power Consumption |
Max. 10 W |
| Frequency |
40–70 Hz |
Measurement Specifications
| Parameter |
Value |
| Generator Voltage Measurement |
2-phase |
| Busbar Voltage Measurement |
2-phase |
| Nominal Measurement Input |
100 VAC |
| Maximum Measurement Voltage |
300 VAC |
| Measurement Range |
1.3 × Vrated |
| Input Impedance |
0.696 MΩ |
Control Outputs
| Feature |
Value |
| Speed Control |
Raise / Lower |
| Voltage Control |
Raise / Lower |
| Analog Outputs |
±1 V, ±3 V, ±5 V, ±10 V |
| Current Outputs |
0–20 mA, ±20 mA |
| PWM Output |
Adjustable 500 Hz |
| Relay Output |
2 A @ 250 VAC |
| Digital Input |
18–250 VAC/DC |
Functions
| Function |
Description |
| Automatic Synchronization |
Automatic matching of frequency, phase, and voltage |
| Dead Bus Operation |
Synchronization with de-energized busbar |
| Synchroscope |
Integrated synchroscope display |
| Alarm Monitoring |
Alarm and status monitoring |
| Password Protection |
Multi-level password protection |
| Breaker Control |
Circuit breaker closing control |
| PWM Speed Bias |
PWM speed reference output |
Environmental Specifications
| Parameter |
Value |
| Operating Temperature |
-20°C to +60°C |
| Storage Temperature |
-40°C to +85°C |
| Humidity |
95% RH non-condensing |
| Surge Immunity |
4 kV |
Mechanical Specifications
| Parameter |
Value |
| Dimensions |
144 × 72 × 122 mm |
| Panel Cutout |
138 × 67 mm |
| Weight |
Approx. 0.8 kg |
| Mounting Type |
Panel mounting (DIN 43700) |
Key Features
- Microprocessor-based generator synchronization
- Automatic phase, frequency, and voltage matching
- Analog and digital control outputs
- PWM speed control support
- Dead-bus synchronization capability
- LCD user interface
- Compatible with AVR and governor systems
- PC-based parameter configuration
- Suitable for industrial and marine applications
