Data centers become "killer application" for new power transformer tech
Summary
Data centers are increasing electricity demand and putting pressure on US power grids. A new technology called solid-state power transformers, which use modern electronics instead of old coil-based designs, is being developed and funded to help meet this demand more efficiently.Key Facts
- Current power transformers use copper coils and steel cores, a design from the 1880s, and are handmade and custom-built.
- These traditional transformers take years to deliver because they cannot be mass-produced.
- Solid-state transformers use semiconductor technology to convert voltage and can be mass-manufactured like electronic devices.
- They are smaller, lighter, modular, and can perform multiple electrical tasks in one device.
- AI data centers, which need a lot of direct current (DC) power, benefit from solid-state transformers because they can convert alternating current (AC) power directly into DC power.
- US tech companies have raised over $280 million recently to develop and sell solid-state transformer technology.
- Solid-state transformers use less copper and take up less space, which helps data center design and material supply.
- This technology could also help fix supply shortages for power transformers in general and support broader electricity grid improvements.
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