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Help CenterWOODWARD 8440-2177 Digital Synchronizer
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WOODWARD 8440-2177 Digital Synchronizer
Core Product Functions
The SPM-D2-10 (8440-2177) is primarily used to control the synchronous grid connection process of an AC generator. Its core task is to automatically adjust the generator's frequency and voltage to perfectly match the bus, and then close the circuit breaker at the optimal moment.
Automatic Synchronization Control: Automatically matches the generator's frequency, phase, and voltage with the bus.
Voltage Monitoring: Features True RMS voltage measurement.
Circuit Breaker Control: Accurately calculates and compensates for the circuit breaker's closing time.
Multiple Synchronization Modes: Supports phase-matching synchronization or slip-frequency synchronization.
## 2. Key Technical Parameters
Model: 8440-2177 (SPM-D2-10/PSY5 variant)
Power Supply Voltage: Typically supports a wide range of DC power supplies (e.g., 120-375 Vdc) or AC power supplies (90-250 Vac).
Measurement System: Supports 2-phase or 3-phase AC measurement.
Display Interface: Front panel with LCD screen and synchronization meter for easy on-site viewing of operating status and alarm information.
Configuration Method: Parameters can be set via front panel buttons or using Woodward ToolKit software (via USB connection).
Email: xmxblynn@163.com
Phone: +86 18059884797
Typical Application Areas
This controller is widely used in power systems requiring reliable and rapid grid connection, whether for individual generators or complex multi-generator systems:
Diesel/Gas Generator Sets: Suitable for various power sources, from fast-responding diesel engines to slower-responding gas turbines.
Grid-Connected Systems: Ensures safe and shock-free connection of generators to the national grid or factory intranet.
Island Mode: Controls frequency and voltage in islanded mode.
Backup Power Systems: Automatic emergency switching in applications such as data centers, hospitals, or critical industrial facilities.
## 4. Key Advantages Compared to the Older Model (SPM-D)
If you are upgrading from an older model, the 8440-2177 offers the following improvements:
USB Interface: No longer requires a dedicated DPC cable; a standard Mini-USB port is sufficient for debugging.
Security: Added multi-level password protection.
Compatibility: Seamlessly replaces older SPM-D models.
Accuracy: It adopts a more advanced microprocessor, and the measurement and control accuracy reaches Class I level.
Email: xmxblynn@163.com
Phone: +86 18059884797
Other related product models recommended:
WOODWARD 5466-425
WOODWARD 5484-803
WOODWARD 5466-315
WOODWARD 1680-631
Woodward 8800-1001
Woodward 9907-135
WOODWARDTM25LP
WOODWARD 9907-164
Woodward 9907-1197
WOODWARD 9907-175
Woodward 9905-864
WOODWARD 8440-2088
WOODWARD 5466-409
Woodward 8405-315
WOODWARD TG-13
WOODWARD8440-2082
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