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Woodward 9905-708 Digital Synchronizer and Load Control
- Manufacturer: Woodward
- Model/Part Number: 9905-708
- Description: DSLC (Digital Synchronizer and Load Control), 120 VAC, 1–5 VDC Speed Bias, Open Delta PT Configuration, for Three-Phase AC Generators
Overview
- The Woodward 9905-708 is a Digital Synchronizer and Load Control (DSLC) designed for three-phase AC generators in power generation systems. It provides synchronization, load sharing, and control for paralleling, loading, and unloading of generator sets, suitable for industrial, marine, and power plant applications. The unit integrates multiple functions into a compact design, reducing wiring and installation complexity.
Technical Specifications
Specification | Details |
---|---|
Model | 9905-708 |
Series | DSLC (Digital Synchronizer and Load Control) |
Type | Microprocessor-based synchronizer and load control |
Input Voltage | 120 VAC nominal (65–150 VAC range) |
Speed Bias Output | 1–5 VDC |
PT Configuration | Open Delta |
Power Consumption | < 10 VA |
Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
Storage Temperature | -55°C to +105°C (-67°F to +221°F) |
Relative Humidity | 5% to 95%, non-condensing |
Vibration | 4 G, 5–500 Hz |
Shock | 20 G peak |
Protection Rating | Not specified (designed for control cabinet use) |
Dimensions | Approximately 273 mm x 178 mm x 51 mm (10.75 in x 7 in x 2 in) |
Weight | Approximately 1.8 kg (4 lbs) |
Mounting | Panel mount, sheet-metal chassis |
Communication | Local Operating Network (LON) for load distribution |
Certifications | CE, UL/cUL (for ordinary locations) |
System Compatibility | Three-phase AC generators, Woodward speed controls, automatic voltage regulators, SPM-A synchronizers |