Power Conversion

Empowering the Future of Clean Energy: Thermal Solutions that Drive Efficiency and Sustainability in High-Density Power Conversion Systems

Visit ACT at PCIM Europe in Nuremberg, 6-8 May 2025. Booth # 4-431.

Addressing Thermal challenges of Modern Power Conversion

ACT specializes in advanced thermal management solutions tailored to the evolving thermal demands of modern power conversion systems. Our focus is on precise heat removal at the source, combining passive and active thermal management technologies. This approach maximizes the performance and reliability of power electronics in high-power applications, supporting the transition to sustainable energy systems.

Our solutions address the unique thermal challenges at every level of power conversion systems, encompassing device-level cooling, system-level integration, and room-level solutions for large-scale applications.

Device-Level Cooling: ACT addresses component-level heat dissipation with high-performance solutions, including advanced two-phase heat spreaders and air-cooled heat sinks, utilizing Hi-K™ and Vapor Chamber technologies. For high-power density systems, we also offer direct-to-chip liquid cooling with single or two-phase cold plates.

System-Level Integration: ACT delivers full system thermal solutions, integrating balance of plant components like fan-heat sink assemblies and coolant distribution units (CDUs) for air and liquid cooled systems.

Facility-Level Thermal Solutions: For large-scale and demanding installations, ACT provides comprehensive facility analysis and optimization, including adaptive controls for dynamic temperature management.

This chart illustrates the progression of power electronics thermal management solutions at various levels of heat dissipation.

Caption: As illustrated here, this chart shows the progression of power electronics thermal management solutions for various levels of heat dissipation.

Our thermal management solutions are designed to optimize every stage of the power conversion process. By minimizing power losses and maximizing energy output, we enhance system efficiency and reduce operational costs. These solutions also reduce stress on components, extending their lifespan and minimizing downtime. As a result, our technologies not only lower costs but also contribute to a greener, more sustainable energy future.

Ready to Optimize your Power Conversion Systems? Contact ACT today.

ACT offers a range of advanced passive cooling solutions for high-performance power conversion applications. Our Loop Thermosyphons efficiently transport heat over long distances, while Hi-K™ heat sinks provide superior thermal conductivity for localized heat spreading. Vapor Chambers effectively spread heat from high-power-density components like inverters, converters, and BESS. These maintenance-free technologies manage rising power densities without external power or moving parts, ensuring reliable operation in demanding environments.

High Conductivity HiK Chassis
PCM Heat Sink
Vapor Chamber
Loop Thermosyphon Cooling for IGBTs
Loop Thermosyphon
Loop Thermosyphon
Pulsating Heat Pipe
HSC Sealed Enclosure Cooling Unit with IGBT

Maximize the efficiency and reliability of your power conversion systems with ACT’s cutting-edge active cooling technologies. Our portfolio includes high-performance Pumped Two-Phase cooling systems, precision Tekgard Chillers, and versatile Environmental Control Units (ECUs), all engineered to effectively dissipate the intense heat generated in high-power applications. By maintaining precise thermal control, our solutions ensure optimal performance, minimize downtime, and extend component lifespan.

Liquid Cold Plate
Pumped Two-Phase Cold Plates
Pumped Two-Phase Cold Plates
Pumped Two-Phase cooling system
Tekgard Environmental Control Unit (ECU)
Two-Phase Cooling Distribution Unit (CDU)
Pulsating Heat Pipes
Pulsating Heat Pipes (PHPs) use internal pressure pulsations to transfer heat through mini/micro channels, enabling effective, wickless cooling for power electronics.
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HiK Plates
HiK™ plates use embedded heat pipes to transfer heat from multiple high-power sources to cooled edges or heat sinks, minimizing temperature gradients. Ideal for high-power, compact electronics.
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Vapor Chambers
Vapor chambers provide efficient two-dimensional heat spreading to manage high heat fluxes in power electronics and power conversion systems, ensuring maximum thermal performance and reliability.
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Phase Change Materials
PCM Heat Sinks efficiently absorb large amounts of heat during their phase transition, minimizing temperature rise. Their hermetically sealed design ensures reliable, long-term performance for critical components.
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Loop Thermosyphon
Loop Thermosyphon (LTS) efficiently cools high-power density devices like IGBTs by using gravity-assisted fluid return. Ideal for power electronics, LTS mounts components to an evaporator plate with a remote condenser or heat sink for optimal heat dissipation.
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Liquid Cold Plates
Liquid Cold Plates utilize a single-phase coolant circulating through internal channels to efficiently transfer heat from high-power devices. Offering high heat capacity and adaptability to various temperature ranges, they are ideal for demanding applications requiring precise thermal control.
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Pumped Two-Phase
Pumped Two-Phase cooling uses a non-conductive fluid to vaporize and dissipate heat from high-power electronics, doubling power density over traditional cooling systems. Safe, scalable, and maintenance-free, it delivers efficiency and reliability for demanding applications
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Vaphtek Environmental Control Units
Vaphtek combines traditional vapor compression cooling with Pumped Two-Phase (P2P) technology, creating an efficient hybrid system that reduces power usage, carbon emissions, and fuel consumption.
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Explore our comprehensive collection of resources dedicated to optimizing power conversion. Here, you’ll find insightful blogs, informative videos, detailed articles, and more—all focused on thermal management solutions that maximize efficiency and reliability. Whether you’re seeking detailed technical papers, the latest industry advancements in power electronics cooling, or expert insights, our resources are crafted to keep you informed and help you enhance the performance and longevity of your power conversion systems.

Blog

Custom Phase Change Material PCM Heat Sink Design Analysis and Manufacturing

Read

Blog

When to Use Heat Pipes, HiK Plates, Vapor Chambers, and Conduction Cooling

Read

Blog

Using Pulsating Heat Pipes vs HiK Plates for Thermal Management

Read

Technical Paper

Pumped 2-Phase Cooling as an Enabler for a Modular, Medium Voltage, Solid-State Circuit Breaker

Read

Webinar 

Mastering Heat Dissipation: Sustainable Strategies in Thermal Management for Power Electronics

Watch

Video | Engineers with Markers

What is a Loop Thermosyphon?

Watch

Video | Engineers with Markers

What is Pumped-Two Phase Cooling?

Watch

Navigating Thermal Management in Energy

This comprehensive guide provides critical insights and actionable strategies to help energy producers and industy professionals address the complexities of thermal management.

  • Mitigating waste heat in power generation: We explore effective strategies to minimize heat loss and impove overall system efficiency.
  • Enhancing energy conversion efficiency: Discover innovative solutions to optimize energy conversion processes and minimize thermal losses.
  • Optimizing storage systems: Learn how to effectively manage thermal challenges in energy storage system, such as batteries, to maximize performance and lifespan.

This guide is tailored to tackle the most pressing thermal challenge facing the eneryg industry today.

We’re Just a Message Away – Contact Us!
Whether you’re looking to enhance efficiency, explore innovative thermal solutions, or tackle challenges in your energy operations, our team is here to listen and provide tailored support. Together, we can drive progress, harness the power of cutting-edge technologies, and create sustainable solutions that meet your unique needs. Don’t hesitate to contact us—let’s work together to shape the future of energy!
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