Thermal failure accounts for over half of all premature faults in power electronics. This article covers the fundamentals of modern thermal design — thermal budget, Arrhenius law, thermo-mechanical fatigue and cooling technology hierarchy — alongside the concurrent DFR methodology that Premium SA applies from the concept phase in SiC/GaN converters for railway, defence and industrial applications.

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Opinion · AI & Energy Barcelona, the epicentre of the AI energy revolution. Where is Spanish industry? A view from the OCP EMEA Summit 2026 — and a message to the Spanish industrial base of pumps, heat exchangers, valves and fluid systems By Ezequiel Navarro, CEO — Premium S.A.  ·  30 April 2026 Born in […]

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The Technical Inflection: From 48 V to 800 V DC

For fifteen years, the server rack lived comfortably within 48 V bus architectures. OCP Open Rack v3 (ORv3) consolidated that standard and allowed the industry to scale deployments to 80–100 kW per rack.

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From conventional two-level to neutral-point clamped, flying capacitor, cascaded H-bridge and reduced device count topologies — architectural synthesis for traction, grids and renewables

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Premium PSU joins the Open Compute Project (OCP) to contribute power electronics expertise to Open Rack and hyperscale data center architectures.

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Implementation of Green and Digital Technologies Based on Regenerative Loads

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The rapid growth of artificial intelligence, cloud computing and large-scale data processing is reshaping the energy requirements of modern data centers. In this new scenario, efficiency, power density and reliable operation under increasingly demanding loads have become key factors in power infrastructure design.

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Action Plan with the objective of improving its competitiveness through digital transformation, online promotion, and e-commerce in international markets during 2025–2026.

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The CKR-3600 by Premium PSU is a 3,600W modular redundant DC/DC converter with hot-swap modules, CAN/Modbus control and scalability up to 14.4 kW.

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Premium PSU joins the Open Compute Project (OCP) to contribute power electronics expertise to Open Rack and hyperscale data center architectures.

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