WOODWARD 8440-1878 Digital synchronizer and load control module
Specific Parameters
Device Type Digital Synchronizer and Load Control Module
Product Series DSLC-2 Series
Power Supply Voltage 12/24VDC (Nominal), 8-40VDC (Operating Range)
Power Consumption Max 15W
Operating Temperature Range -40℃ to 70℃
Storage Temperature Range -40℃ to 85℃
CT Input 5A Nominal Input
Bus Voltage Input 120VAC/480VAC
Synchronization Modes Phase-Matching Synchronization, Slip-Frequency Synchronization
Maximum Parallel Generators Up to 32 Units
Communication Interfaces 2 Ethernet Interfaces, 1 RS-485 Interface, 1 RS-232 Interface
Relay Output 12/24VDC
Control Functions Synchronization Control, Load Control, Reactive Power Control, Power Factor Control, Dead Bus Closing
Dimensions 250×227×84mm
Weight 2.95lbs
Mounting Type Back Panel Mounting
Certification Standards UL, CUL, CSA, GOST-R
Product Performance
Control Performance: It has precise phase-matching and slip-frequency synchronization functions, which can realize the precise matching of generator voltage, frequency and phase before closing the circuit breaker. It integrates active power load sharing function, which can automatically adjust the load distribution of multiple parallel generator sets. It supports dead bus closing function, adapting to black start or bus restoration scenarios, and also has reactive power and power factor regulation capabilities.
Measurement Performance: Equipped with 5A Current Transformer input terminals, it can realize precise load measurement, provide reliable data support for load sharing and power regulation, and has stable measurement accuracy to meet industrial-level control needs.
Communication Performance: Equipped with multiple communication interfaces including dual Ethernet, RS-485 and RS-232, supports Ethernet Modbus TCP protocol, can be seamlessly integrated into SCADA, PLC and factory automation networks, realizing real-time data transmission, remote configuration and debugging, ensuring coordinated operation of multiple devices.
Compatibility Performance: Specifically designed for three-phase AC generator systems, supports up to 32 generator sets in parallel, can adapt to new units and legacy systems, directly integrate into various industrial power management architectures, and has strong versatility.
Structural Performance: Adopts back panel mounting design, with dimensions of 250×227×84mm and weight of 2.95lbs, compact structure, easy installation, solid and durable housing, can adapt to industrial cabinet installation scenarios, and has strong anti-interference ability.
Environmental Adaptability Performance: It can operate stably in a wide temperature range of -40℃ to 70℃, the storage temperature covers -40℃ to 85℃, can withstand harsh industrial environments, and can work stably for a long time in complex scenarios such as industrial power plants and offshore platforms.
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