Description

WOODWARD 5466-318 | Rack Mount Kernel PSU for Gas & Steam Turbine Governing Systems

Product Core Brief

Model: 5466-318
Brand: WOODWARD
Series: MicroNet TMR Control Platform
Core Function: Regulates input power and supplies stable power to the TMR kernel section of the control chassis
Type: Kernel Power Supply Module
Key Specs: 24 VDC input; Regulated 5 VDC output; Single front-panel power health LED
Condition: New surplus, fully bench tested before shipment

⚠️ Original manufacturer production discontinued; limited spare inventory available

Product Introduction

Triple Modular Redundant control racks cannot maintain kernel circuit stability without dedicated power regulation, and this is the core function of WOODWARD 5466-318. It belongs to the legacy MicroNet TMR platform, widely deployed on gas turbines, steam turbines and generator sets in power plants and oil & gas facilities.

Unlike general rack power supplies, this module serves exclusively the kernel zone of the TMR chassis. It converts incoming 24 VDC power into stabilized 5 VDC power for core processing circuits. Three such modules are required for full TMR redundancy. The module operates reliably within -40 °C to +70 °C, matching the ambient requirements of field turbine control cabinets.

Key Technical Specifications

Item	Parameter
Full Part Number	5466-318
Official Name	MicroNet TMR Kernel Power Supply Module
Compatible System	Woodward MicroNet TMR Control Chassis
Input Voltage	24 VDC nominal
Regulated Output	5 VDC for kernel section circuits
Front Indicator	Single LED for power health status
Installation Position	Kernel section slot of MicroNet TMR rack
Operating Temperature	-40 °C ~ +70 °C
Relative Humidity	5% – 95%, non-condensing
Mounting Form	Standard rack plug-in module
Installation Rule	Three modules required for complete TMR redundancy

WOODWARD 5466-318

Product Quality Control Process

All incoming 5466-318 modules follow standardized inspection workflows before delivery.

Incoming Inspection

Check serial number traceability and physical appearance. Inspect PCB for corrosion, scratch damage or disassembly traces. Verify front panel LED and edge connectors remain intact.
Live Bench Test

Install the module inside a MicroNet TMR test chassis. Complete power-on initialization, steady-state output voltage testing and LED function verification. Continuous 24-hour ageing test monitors thermal stability. We can supply test photos or video upon request.
Electrical Performance Test

Insulation resistance test with a 500 V megohmmeter. Verify ground continuity and confirm no abnormal leakage current under normal operating load.
Hardware Revision Record

Document hardware version information. No programmable firmware is needed for this power supply module.
Final Packaging & QC Sign-off

Passed modules are sealed inside anti-static bags, wrapped with bubble film and packed into cartons. Each unit carries a QC Passed label printed with inspection date.

Field Pitfall Guide for Replacement

TMR Redundancy Configuration Rule

Three kernel power supply modules work as a set for full TMR operation. Do not mix hardware revisions in the same chassis. One site case: maintenance staff replaced only one faulty unit with a different revision, triggering intermittent kernel power fluctuation alarms.
Safe Removal Sequence

Do not pull out kernel power modules arbitrarily while the rack runs. Relevant power bus circuits must be shut down first. Hot removal may cause temporary voltage drops and trigger system trips.
Input Power Load Calculation

Confirm the 24 VDC main power supply holds sufficient capacity to support three parallel kernel power modules. Undersized upstream power sources will cause unstable output under high temperature.
ESD Protection

Always wear an anti-static wristband during handling. Internal regulation circuits are sensitive to electrostatic discharge. Risks rise sharply in dry low-humidity environments.
Platform Compatibility Warning

5466-318 is built exclusively for MicroNet TMR racks. It cannot be installed into MicroNet Simplex non-redundant chassis; confirm your rack architecture before purchasing.

Frequently Asked Questions

Q1: Can this kernel power supply work with MicroNet Simplex racks?

A1: No. It is designed for TMR redundant chassis kernel sections. Simplex racks use different power architecture and incompatible module hardware.

Q2: Is this factory sealed brand new original unit?

A2: OEM mass production has been stopped. Available stock is new surplus and fully tested. Complete test documentation can be provided.

Q3: What coverage does the warranty include?

A3: 12-month warranty starting from delivery date. The warranty excludes damage caused by wrong wiring, surge voltage and static damage on site.

Q4: Can I operate the rack with only two installed kernel power modules?

A4: Temporary operation with two modules is possible, but full redundancy is lost. Critical turbine protection loops are recommended to maintain three working units all the time.

Recommended Publishing Channels

Corporate official website product page: Retain full content, keep specifications and QC workflow for power plant maintenance buyers.
B2B industrial spare parts marketplace: Shorten introduction, highlight in-stock status and TMR turbine control application scenarios.
LinkedIn industry post: Extract replacement pitfalls and redundancy setup tips, target maintenance teams working on gas turbines and generator control systems.