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Thermal Management Mastery: Afax Power's Cooling Systems


Introduction

Effective thermal management separates adequate charging stations from exceptional ones. Afax Power's multi-stage cooling architecture enables sustained 350kW+ charging while maintaining component lifetimes.



Key challenges addressed:

  • Semiconductor junction temperatures

  • Cable and connector overheating

  • Ambient temperature variations

  • Three-Tier Cooling Architecture


  • Primary Liquid Cooling Loop

    • 50% ethylene glycol solution

    • Magnetic drive pumps (zero leakage)

    • Plate-fin heat exchangers


    Secondary Phase-Change System

    • Vapor chambers for hotspot mitigation

    • Heat pipes for directional cooling

    • Paraffin-based PCMs for thermal buffering


    Intelligent Air Cooling

    • EC fans with speed modulation

    • Dust-resistant filters

    • AI-controlled airflow optimization

 
 
 

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