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In recent years, data centers have undergone a major transformation, driven by the growing demand for digital services. The introduction of technologies such as 5G, the Internet of Things (IoT), artificial intelligence, and machine learning has transformed these centers from simple physical spaces into highly optimized and intelligent infrastructures. A data center is a physical facility designed for processing, storing, and managing large amounts of data. They are not merely repositories for data, but dynamic ecosystems—also known as CEDs, or Data Processing Centers—designed to ensure scalability, resilience, and security. Many companies are investing billions in developing more advanced and efficient facilities as both governments and businesses recognize data centers as strategic assets, similar to critical infrastructure such as power plants and transportation networks. According to recent studies, the global data center market is set to grow significantly, with investment over the next decade expected to quadruple. Data centers house servers, storage systems, network equipment, and other resources essential to ensuring the continuous and uninterrupted operation of applications, services, and digital platforms. This means that all equipment used in data centers must be efficient, reliable, and free of defects. To ensure business continuity, data centers are equipped with redundant power systems, uninterruptible power supplies (UPS), backup generators, and sophisticated cooling systems to prevent equipment from overheating.
GBE has been supplying transformers for these types of applications for many years—both oil-filled and resin-filled—not only in Europe but worldwide. Numerous customers rely on our expertise and appreciate the strict quality criteria of our manufacturing process, which ensure high-quality products that exceed industry standards. Among the many projects in the data center sector, we would like to highlight a recent order fulfilled in Northern Europe, consisting of 20 units of 6 MVA and 43 transformers of 3.15 MVA. These transformers are cooled with FR3® biodegradable vegetable ester, which has minimal environmental impact and delivers high performance when used with TUP (Thermally Upgraded Paper); they belong to the Dyn11 group and have insulation classes of 12 kV and 24 kV, operating at a frequency of 50 Hz. All transformers include accessories for control and monitoring and are equipped with protection boxes featuring copper bars for cable entry from below. The power transformers were supplied with a hot-dip galvanized tank to contain the liquid.
Document : 945272-high-efficiency-transformers-for-data-centers.pdf
