





Product Description
Woodward 8440-1706 SPM-A Synchronizer
Product Overview
- The Woodward 8440-1706 is an SPM-A Synchronizer designed for automatic synchronization of a generator with a power bus or utility grid in industrial applications, such as power plants, marine systems
Technical Specifications
- The 8440-1706 has the following specifications based on industry sources and Woodward documentation:
Specification | Details |
---|---|
Model/Part Number | 8440-1706 |
Manufacturer | Woodward |
Description | SPM-A Synchronizer for Generator Synchronization |
Series | SPM-A |
Function | Automatically synchronizes a generator with a power bus or utility grid |
Processor | Microprocessor-based (specific architecture not publicly detailed) |
Memory | Flash: 2–4 MB (for firmware and configuration) RAM: 1–2 MB (for runtime data) |
Display | LED indicators for status, synchronization, and faults; optional external HMI |
Inputs | 2 voltage inputs (generator and bus, 100–480 VAC, 50/60 Hz) 2 frequency inputs (generator and bus, 40–70 Hz) 2 discrete inputs (24 VDC, for enable or manual control) |
Outputs | 2 analog outputs (0–10 V or 4–20 mA, for speed and voltage bias) 3 relay outputs (dry contact, up to 250 VAC/2 A, for breaker close, alarm, and sync status) |
Communication Interfaces | 1 serial port (RS-485, Modbus RTU, optional) |
Synchronization Parameters | Phase angle: ±0.5° accuracy Voltage matching: ±1% accuracy Frequency matching: ±0.1 Hz accuracy |
Response Time | <100 ms (for synchronization adjustments) |
Protection Functions | Loss of voltage/frequency signal, sync timeout, breaker failure detection |
Redundancy | Non-redundant |
Diagnostics | Fault detection, event logging (up to 50 events), status LEDs, optional Modbus for remote monitoring |
Compatibility | Woodward governors (e.g., 2301D, 9905-857), voltage regulators (e.g., DECS-100), and genset controllers (e.g., EasyGen, EGCP-2); third-party devices via analog signals or Modbus; integrates with SCADA systems |
Power Supply | 12–36 VDC (24 VDC nominal) or 100–240 VAC (50/60 Hz, configuration-dependent) |
Power Consumption | Approx. 5–10 W |
Environmental Specifications | Operating Temperature: -40°C to +70°C (-40°F to +158°F) Storage Temperature: -40°C to +85°C (-40°F to +185°F) Relative Humidity: 5% to 95% non-condensing Vibration: IEC 60068-2-6 compliant Shock: IEC 60068-2-27 compliant |
Enclosure | IP20 (requires enclosure for harsh environments) |
Dimensions | Approx. 190 mm (H) x 140 mm (W) x 60 mm (D) |
Weight | Approx. 0.8–1.2 kg |
Mounting | Panel-mounted or DIN rail |
Certifications | CE, UL, CSA, marine certifications (e.g., DNV, ABS, configuration-dependent) |