Woodward 5501-380 TMR Power Supply

Product Overview

The 5501-380 is a high-performance Triple Modular Redundant (TMR) power supply engineered by Woodward for industrial control environments where downtime is not an option. This module serves as a critical backbone for fault-tolerant systems, utilizing a redundant architecture that allows for seamless power transitions. Even if a single power module within the chassis fails, the 5501-380 ensures that mission-critical controllers and I/O remain fully energized, maintaining operational integrity in demanding aerospace or energy sectors.

Technical Specifications

The following data outlines the electrical and physical parameters of the 5501-380 unit:

• Manufacturer: Woodward

• Model Identification: 5501-380

• Architecture: Triple Modular Redundant (TMR) / Redundant Configuration

• Input Voltage Range: 18 – 36 VDC

• Nominal Operating Voltage: 24 VDC (Typical range 20 – 32 VDC)

• Maximum Current Output: 32 A

• Total Rated Power: 576 W

• Circuit Protection: 50 A Time-Delay Fuse or Breaker Recommended

• Efficiency: High-efficiency switching regulator design

• Thermal Management: Passive convection combined with chassis heat dissipation

• Origin: United States (USA)

Deployment Scenarios

The 5501-380 is typically deployed in MicroNet or similar Woodward control platforms. Its primary role is providing stabilized DC power to CPU modules, analog/digital I/O, and communication gateways. Common applications include:

• Steam and Gas Turbine Control Systems

• Large-scale Power Generation Facilities

• Compressor Surge Control and Protection

• Distributed Control Systems (DCS) requiring Class 1 Div 2 compliance

Frequently Asked Questions

Does the 5501-380 support hot-swapping?Yes, when utilized within a compatible Woodward TMR chassis, the redundant nature of the 5501-380 allows for maintenance without requiring a full system shutdown, provided at least one secondary power source is active.

What is the significance of the 18 to 36 VDC range?This wide input window allows the 5501-380 to operate reliably despite voltage drops or fluctuations common in battery-backed industrial DC buses.