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HVDC power for data-centres?  Not for Europe, please?
There has been a lot of talk for time now about adopting DC power for data-centres to improve their energy efficiency and, recently, ABB has purchased the sole vendor and the marketing money has stirred the debate even further.   The underlying argument is that converting the AC power to DC and back-again cant be efficient but, to my mind, seems to ignore the fact that we have >10kV AC coming in and consume at 0.