Woodward (Woodward) SPM-D10 Automatic Synchronization and Grid Connection Controller
Basic Material Information
Equipment Model: SPM-D10
Original Factory Part Number: 8440-1019 A (8440-1019A)
Brand: American Woodward (a well-known brand for generator sets / gas turbine control systems)
Product Category: Single-break microprocessor-based automatic synchronizer (准同期 device)， used for generator grid connection closing control
Core Function Description
Automatic Grid Connection Synchronization Control
Real-time collection of two-phase voltages on the generator side and the grid bus side， automatic comparison of pressure difference， frequency difference， and phase difference； output of speed increase / decrease， voltage increase / decrease digital pulse signals， adjustment of the governor and AVR excitation regulator， matching generator parameters to the grid connection allowable range， issuing circuit breaker closing command at the optimal closing lead angle to avoid non-synchronous grid connection impact on the generator and the grid.
Multiple Operating Modes
Normal live bus automatic synchronous grid connection
Synch-check (Synch-check) lockout， prohibited from closing when conditions are not met
Dead Bus (Dead Mother Line) mode： Circuit breaker can be closed directly to start power supply when the bus is without electricity
Can be executed independently for frequency / voltage isolation regulation
Synchronization timeout monitoring， automatic locking of closing and output of alarm when conditions cannot be met for a long time
Local operation and human-machine interface
Built-in two-line LCD display， can display voltage， frequency， slip
Built-in synchronization oscilloscope function， intuitive display of phase difference changes
Panel buttons allow local parameter settings， supports multi-level password protection to prevent parameter errors
Interface language can be switched between English / German； supports remote configuration and debugging via computer software
Relay Output Configuration
Discrete relay output：
speed increase / decrease， voltage increase / decrease， closing command， fault alarm contacts； can be connected to any brand electronic governor， excitation regulator device， not limited to Woodward’s own products.
Key Electrical Parameters (8440-1019A Version)
Power Supply： 24VDC (allowable ±25% voltage fluctuation)， compatible with station DC operation power supply
Voltage Measurement Input： up to 400VAC， compatible with low-voltage / medium-voltage generator PT secondary sampling
Measurement Accuracy： 1 class
Operating Temperature： -40℃ ~ +85℃， suitable for the harsh environment of station control cabinets
Installation Method： rail-mounted / panel embedded installation， compact in size
Typical Application Scenarios
Diesel generator sets， gas generator sets grid connection for grid power supply
Self-contained power plants， oilfield / mining power plants generator synchronous grid connection
Small hydropower， biogas generator grid connection control
Small grid connection point synchronous protection for gas turbines / steam turbines
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