The potential of immersion cooling of key power electronics applications

Power electronics move the world forward. 3M has decades of experience cooling power electronics with 3M™ Fluorinert™ Electronic Liquids, and now our next-generation Novec fluids can help keep them cool through simple, efficient, high-performance immersion cooling. With significant advantages over existing cooling methods, consider the potential of Novec fluids to cool future power electronics applications, including:

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    High-speed rail

    Electric-powered high-speed trains are transforming how people travel long distances safely, quickly and with significantly lower environmental impact than flying or other comparable modes of transport.

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    Heavy machinery

    Earthmoving equipment can literally move mountains but requires enormous energy and power. This can be delivered efficiently via electric and hybrid drive systems controlled by power electronics.

  • Green field of tall wind turbines with blue sky and fluffy clouds.

    Wind turbines

    Harnessing wind energy requires a complex transformation of mechanical energy — which itself varies with wind speed — into electrical energy suitable for the electric power grid.

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    Undersea petroleum extraction

    The bottom of the sea is a challenging environment for power electronics, which are used in high-volume pumps that make petroleum extraction more efficient.

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    High-speed elevators

    Designers of skyscrapers need to take people to new heights quickly. New high-speed elevators are designed to make living and working in tall buildings more convenient and comfortable.

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    Automotive

    The promise of electric vehicles depends on the mass production of efficient, reliable drivetrains that use power electronics to transfer energy from batteries to wheels.


A circuit board with drops of 3M™ Novec™ 1230 Fluid on it.
Immersion cooling of power electronics

Moving forward with advanced cooling.

See the benefits
  • A close-up image of a circuit board.

    Immersion cooling working fluids for voltage-changing power electronics applications

    Immersion cooling allows power electronics to be efficiently and uniformly cooled by immersing them in dielectric fluids that are safe for electronic contact.

    3M™ Novec™ Engineered Fluids offer wide operating temperature ranges, have excellent materials compatibility and are simple to maintain, making Novec fluid-based immersion cooling an excellent alternative to air-, water- or oil-cooled systems.

    See products Product selection guide

     

     

A smarter solution than other cooling alternatives

Cooling power electronics using an immersion cooling system offers many advantages over the alternative cooling methods.

  • Immersion cooling offers more consistent and efficient cooling than air, which allows greater density of electronic components — critical to creating smaller power electronics.*

    Air cooling

    Immersion cooling offers more consistent and efficient cooling than air, which allows greater density of electronic components — critical to creating smaller power electronics.*

  • An icon of a faucet with a drop of water.

    Water cooling

    Using water to cool power electronics requires significant complexity to ensure that the water doesn’t contact the electronics and create a short. 3M™ Novec™ Engineered Fluids are dielectric and safe for contact with electronics, simplifying the system.*
  • An icon of three liquid droplets.

    Oil cooling

    The various oils sometimes used for heat transfer in immersion cooling for power electronics are all flammable at some temperature and leave residue. 3M™ Novec™ Engineered Fluids are non-flammable, resulting in greater safety, and leave no residue, for easier maintenance.*
  • Large green tree in a green field with a clear blue sky.

    All the performance without compromise

    The Novec promise is performance without compromise. Our engineers purposefully developed Novec Engineered Fluids with worker safety and environmental sustainability in mind. These fluids feature:
     

     

    • Low environmental impact, with zero ozone depletion potential (ODP) and low global warming potential (GWP), compared with conventional hydrocarbon coolants*
    • Strong regulatory compliance — not scheduled for restriction or phasedown
  • A jug of 3M™ Novec™ Engineered Fluids with technical data on the front.

    The power of next-generation cooling solutions

    Excel in heat transfer applications with products that feature

    • A wide range of operating temperatures for use in different applications
    • Options that are compatible with either single-phase or two-phase immersion cooling systems
    • Excellent materials compatibility to avoid damage to equipment
    • A range of vapour pressures, densities and molecular weights
    • High dielectric strength that makes them safe for contact with critical electronics

     

     

    See products

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* Data available on file.

3M™ Novec™ Engineering Fluids for heat transfer is non-flammable and low in toxicity. It also has low global warming potential (GWP) and zero ozone depletion potential (ODP).
https://multimedia.3m.com/mws/media/1606045O/novectm-heat-transfer-products-selection-guide-english.pdf

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