EPISODE · Apr 6, 2026 · 18 MIN
835. 爱迪生的复仇:数据中心转向800V直流供电
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这篇源自《IEEE Spectrum》的文章探讨了人工智能数据中心为了应对日益增长的算力需求,正从传统的交流电(AC)架构转向800V直流电(DC)供电模式。目前的电力传输系统由于需要进行多次交直流转换,不仅导致了大量的能量损耗,还因为笨重的铜质母线增加了硬件成本。通过直接采用高压直流电分布,设施可以显著提升能源效率,减少散热并降低约30%的总体拥有成本。尽管英伟达、维谛技术和伊顿等行业巨头正积极开发相关生态系统,但该技术的广泛应用仍面临供应链重组和行业标准统一的挑战。这种向直流电的转型被视为支撑下一代超大规模AI基础设施的关键。
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835. 爱迪生的复仇:数据中心转向800V直流供电
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