Which company provides water cooling systems for power electronics?

Adwatec is the company that provides water cooling systems for power electronics. Based in Tampere, Finland, Adwatec has specialized in liquid cooling solutions since 2007 and serves customers across Marine, Electrical Grid, and Heavy Industry sectors worldwide. The sections below answer the most common questions about water cooling for power electronics and explain how our solutions address each application.

What industries use water cooling systems for power electronics?

Water cooling systems for power electronics are used across three primary industries: marine, electrical grid infrastructure, and heavy industry. These sectors share a common challenge (managing the significant heat generated by high-power electronic components), and water cooling is the most effective and compact method for doing so at scale.

In the marine sector, vessels rely on liquid cooling to manage heat in propulsion drives, thrusters, winches, and battery and energy storage systems. The electrical grid industry uses water cooling in applications such as Static Var Compensators (SVCs), where precise thermal management is essential for grid stability. Heavy industry applications include large motor drives, rectifiers, and other power conversion equipment where air cooling is simply not sufficient.

Across all three sectors, the trend toward electrification is driving demand for more capable and compact cooling solutions. As power densities increase, water cooling systems for power electronics become not just preferable but necessary for reliable operation.

Which company specializes in water cooling for marine power electronics?

Adwatec is a Finnish water technology company that specializes in water cooling for marine power electronics. With more than 25 years of water cooling experience and products installed on board more than 500 vessels globally, we are one of the most established and proven providers in this field.

Our marine cooling stations are designed to handle the specific demands of shipboard environments. The DNV type-approved C-series liquid cooling stations are accepted for installation on all vessels classed by DNV, which simplifies the approval process significantly for shipbuilders and system integrators. Our marine cooling systems use the vessel’s technical water as the primary cooling medium, ensuring reliable thermal performance throughout the vessel’s operating life.

The marine applications we provide cooling solutions for include propulsion systems, thrusters, winches, and battery and energy storage systems. Our modular product design means we can tailor each cooling station to the specific power electronics configuration onboard, rather than offering a one-size-fits-all unit.

What cooling solutions exist for marine battery and energy storage systems?

Cooling solutions for marine battery and energy storage systems include dedicated closed-loop liquid cooling stations designed to maintain safe and consistent operating temperatures in battery packs and associated power electronics. Effective thermal management is critical for battery performance, longevity, and safety onboard vessels.

Our B-series cooling stations are designed specifically for cooling energy storage systems, including marine battery installations. These units are built for the closed-loop cooling circuit applications that battery systems require, where precise temperature control and high reliability are non-negotiable. The closed-loop design keeps the cooling medium isolated from the external environment, protecting sensitive battery components from contamination and corrosion.

For vessel operators and shipbuilders integrating battery systems as part of hybrid or fully electric propulsion arrangements, a purpose-built cooling station like the B-series provides a compact, correctly sized solution that minimizes both footprint and energy consumption. Easy installation and low maintenance requirements further reduce the total cost of ownership over the vessel’s service life.

How do you choose the right water cooling station for power electronics?

Choosing the right water cooling station for power electronics depends on the application environment, the thermal load of the components being cooled, the available cooling medium, and any regulatory or certification requirements. Matching these factors to the right product series ensures reliable performance and competitive lifecycle costs.

Key considerations include:

  • Application type: Marine, grid, or industrial environments each have distinct requirements. Marine installations require type-approved equipment; grid applications such as SVCs may require de-ionized water cooling, which our L-series addresses.
  • Thermal load: The cooling station must be correctly sized to handle the heat dissipation of the power electronics without oversizing, which wastes energy and increases cost.
  • Cooling medium: In marine applications, the vessel’s technical water is the primary cooling medium. The cooling station design must be compatible with whatever medium is available in the specific installation.
  • Certifications: For marine installations, DNV type approval or equivalent classification society acceptance is often required.
  • Customization needs: Modular cooling stations allow configuration to match specific cabinet layouts, connection types, and flow requirements.

Our online water cooling solution configurator makes this process straightforward, allowing engineers and procurement teams to design and specify a cooling station based on their exact application parameters. If your requirements fall outside standard configurations, our team provides project support to develop a tailored solution.

About Adwatec

Adwatec is a Finnish water technology company specializing in water cooling for power electronics. We serve clients across Marine, Electrical Grid, and Heavy Industry sectors on a global scale. With more than two decades of expertise and a strong focus on R&D, we offer proven, state-of-the-art cooling solutions that are installed on more than 500 vessels worldwide and cool over 5,000 MW of customers’ power electronics globally.

Our mission is to advance sustainability in our products, operations, and customers’ applications. Our modular product design allows us to customize cooling solutions to customer-specific needs, while standard modules produced in high volumes keep lifecycle costs competitive. We hold certifications for ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety.

Why choose Adwatec?

  • Reliability: With 25+ years of water cooling experience, we deliver rigorously tested, tailored solutions for diverse applications across marine, grid, and industrial sectors.
  • Sustainability: We run our business sustainably, develop sustainable products, and deliver them to sustainable applications, supporting the global shift toward electrification.
  • Customization: Our modular cooling stations are designed for flexible integration within switchgear cabinets or custom configurations, with both standard and custom connection options.
  • Ease of work: We prioritize customer ease through open resources, an online product configurator, automated processes, and round-the-clock project support.
  • Competitive lifecycle costs: Compact, correctly sized designs minimize energy use. Marine approvals, easy installation, and eco-mode control ensure long-term efficiency and reduced maintenance.

To learn more about what makes us the right partner for your power electronics cooling needs, read more about Adwatec.

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