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LIQUID COOLING FOR EV FAST CHARGERS
- 1. Rakesh Yedla Applications DevelopmentManager – Thermal Business Unit, CPC LIQUID COOLING FOR EV FAST CHARGERS
- 2. 2 ABOUT CPC ABOUT CPC CPCis part of the Dover Corporation and has operations in Minneapolis-Saint Paul, US, Germany and China, with sales offices in 14 countries. CPC provides solutions for the liquid cooling of electronic systems and supports globally with 175 distributors network.
- 3. 3 COVERED TOPICS Overviewof barriers and challenges to EV adoption The benefits of liquid cooling Things to consider when introducing liquid cooling into EV charging
- 4. 4 OVERVIEW OF BARRIERSAND CHALLENGES TO EV ADOPTION Image source: electriva.in Image by Freepik Limited Charging infrastructure 2 1 3 4 Comparatively low range Long charging time Too expensive to buy Image by rawpixel.com on Freepik
- 5. 5 ONE OF THESOLUTIONS TO EV ADOPTION Infrastructure Underutilization Image by Kerfin7 on Freepik Long charging time
- 6. 6 DC FAST CHARGINGSPEED Image from Infeneon
- 7. 7 EV CHARGING WAYS Imagefrom evbox.com • AC for the Grid and DC for the Battery • AC charging – onboard charger helps in DC conversion. • DC allows high power & ultra-fast charging • AC charging is almost flat/constant rate • DC charging follows a degrading curve and requires precision control electronics.
- 8. DC FAST CHARGINGPROCESS Power Supply Power Storage Power Conversion Power Dissipation Power Conversion Electric Vehicle Fast EV Charger Utility Grid AC DC AC DC DC Battery AC Motor AC Motor DC / AC DC / AC
- 9. DC FAST CHARGINGSTEPS Grid AC DC AC DC DC Battery AC Motor AC Motor DC / AC DC / AC DC Charger Charging Cable EV Battery Order & consume Supply Prepare Image source: vecteezy.com
- 10. POWER, HEATAND COOLING Battery packs Batterypower module Cooling manifold Cooling line pipe Battery pack Power electronics Protection cover Base frame Image source: audi-mediacentre.com Electric Vehicle Image source: eloaded.eu & chargedevs.com EV Fast Charger Power module Charging cable
- 11. DC FAST CHARGINGTHERMAL MANAGEMENT Thermal Management DC Charger AC/DC Conversion = Heat Charging cable Conduction loss = Heat EV Battery Chemical reaction = Heat Image source: e-motec.net with Air / Liquid?
- 12. BENEFITS OF LIQUIDCOOLING Air Cooling Liquid Cooling x 4 High heat transfer capacity High airflow is required per unit of heat High number of thermal gradients Minimal barriers for better heat removal A fully enclosed design is possible Require active filtration for moisture and dust control
- 13. Negligible vibrations andnoise BENEFITS OF LIQUID COOLING Air Cooling Liquid Cooling Vibrations and noisy Consumes more power More energy efficient method
- 14. BENEFITS OF LIQUIDCOOLING Air Cooling Liquid Cooling Easy maintenance and replacement Requires extra procedures and time- consuming processes Challenging design Simple design
- 15. 15 THINGS TO CONSIDER…INTRODUCINGLIQUID COOLING INTO EV CHARGING Equipment Sizing Modularity in Design Power modules Battery modules Material Compatibility Image source: freepik.com Easy and Quick Maintenance
- 16. 16 UNIQUE NEEDS INLIQUID-COOLED EV CHARGING 1. Liquid cooling 2.Modularity 3. Spill-free environment 4.Easy maintenance
- 17. 17 NON-SPILL EVERIS™ QUICKCOUPLINGS
- 18. OTHER PRODUCT OFFERINGSFOR LIQUID COOLING
- 19. 19 NON SPILL CONNECTORAPPLICATIONS In EV chargers In power modules In battery packs In charging cables Image source: tritium, ev,
- 20. 20 Introducing liquid cooling intoEV charging Amplify the journey to EVs Image Source: The Economist
- 21. 21 Thank You We knowliquid cooling Talk to us Rakesh Yedla, Applications Development Manager, Thermal Management rakesh.yedla@colder.com +44 75 90 75 42 33 Shirley Teoh, Regional Sales Manager shirley.teoh@colder.com +6 012 205 0807
Editor's Notes
- #20 Additionally, charging stations are often located in high-traffic areas. Long charging time. Charging owners must serve more customers to benefit from the infra.