Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | WOODWARD 5438-667 |
| Manufacturer | Woodward |
| Product Type | DC/DC Power Supply Module |
| Product Family | 5400 Series |
| Nominal Input Voltage | 125V DC |
| Input Current | 4A (typical) |
| Continuous Output Power | 100W |
| Output Voltage Range | 12V to 48V DC (adjustable) |
| Efficiency | >90% (95% typical) |
| Load Regulation | ±0.1% |
| Isolation Voltage | 2kV AC (input to output) |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -55°C to +100°C |
| Cooling | Natural convection with chassis fan-assisted airflow |
| Dimensions | 12.5 × 22 × 17.1 cm |
| Weight | 1.76 kg |
Main Features and Advantages
Wide-Temperature Industrial Hardening: The WOODWARD 5438-667 is engineered to operate reliably across an exceptionally wide ambient temperature range, making it suitable for deployment in extreme environments ranging from cold storage facilities to hot manufacturing plants . Advanced thermal dissipating materials prevent internal localized hotspots without relying on failure-prone individual component fans, while the module’s construction resists low-frequency mechanical vibrations and sudden high-impact physical shocks typical of turbine halls and heavy machinery installations .
Precision Output Regulation with Comprehensive Protection: Maintaining ±0.1% load regulation, the WOODWARD 5438-667 provides stable power even under fluctuating load conditions. Integrated overvoltage, overcurrent, short-circuit, and overtemperature protection safeguards connected control modules from electrical faults . The module’s high-efficiency DC/DC conversion architecture minimizes energy loss and thermal buildup within control cabinets, reducing cooling requirements and improving long-term reliability in densely populated chassis installations .
Industrial Electrodynamic Stress Tolerance: The WOODWARD 5438-667 is engineered to run on fluctuating, unfiltered 125V DC inputs from industrial battery banks that are frequently subjected to charging spikes, ripples, and heavy load switching. It features extensive internal buffering and filtering to output smooth, ripple-free power despite severe input voltage drops or surges .
Comprehensive Internal Fault Monitoring: Safety is enhanced by built-in diagnostic infrastructure. The WOODWARD 5438-667 actively communicates its health status via dedicated front-panel LEDs, tracking parameters including input faults, internal power supply faults, and overtemperature thresholds to facilitate predictive maintenance before a critical failure occurs . Heavy galvanic isolation between the high-voltage 125V DC input and low-voltage outputs ensures electrical safety and protects sensitive control electronics from damage .
Application Field
Turbine and Generator Control Systems: The WOODWARD 5438-667 serves as a critical power source for Woodward control architectures in power generation facilities, providing reliable DC power to controllers, exciters, and field sensing circuits . In steam and gas turbine installations, the module ensures stable operation of governor systems and protection relays, maintaining power integrity even when the facility’s battery banks experience voltage fluctuations or transient disturbances .
Large Thermal Power Plants: Thermal power generation facilities rely on the WOODWARD 5438-667 to provide reliable DC power for turbine and governor systems under extreme temperature conditions. The module’s wide operating temperature range and robust construction ensure continuous operation in environments where ambient temperatures frequently exceed standard commercial equipment ratings .
Offshore Wind Farms and Marine Applications: The WOODWARD 5438-667 features high-protection design that resists salt spray and humidity in nacelle control cabinets and marine engine rooms. Its conformal coating and sealed rugged housing prevent moisture, salt, and oil ingress in harsh offshore environments, making it suitable for deep-sea drilling platforms and offshore wind installations where equipment accessibility is limited and reliability is paramount .
Heavy Oil Hydrogenation and Steel Rolling Mills: In heavy oil hydrogenation plants, the WOODWARD 5438-667 provides efficient cooling that maintains stable operation and reduces overheating risks in hazardous areas. Steel rolling mills benefit from the module’s fully sealed design, which prevents conductive dust ingress and protects power systems from short circuits caused by metallic particulate contamination .
