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AI data centre power surge solution found, fierce race for next-generation DC power grids

AI data centre power infrastructure is increasingly likely to shift from alternating current to direct current, as soaring computing demand exposes limits in existing power systems. Multi-stage AC-to-DC conversions cause energy loss, heat and complexity. The industry is turning to high-voltage DC, such as converting 13.8 kV AC to 800V DC, to improve efficiency and cut copper use. Power equipment companies are rolling out DC designs, while supply constraints and demand uncertainty remain.