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This paper shows how datacenters can provide value to the electric grid by functioning as fast and precisely-controllable loads. We discuss the substantial grid-side benefits available from high-penetration, finely-controllable, and fast controllable loads like datacenters. We then measure the power ramp rate and power control precision of an example compute cluster, and last experimentally demonstrate...
As the number and power density of servers within today's data centers continues to increase, efficient power delivery is becoming a major industry concern. This paper proposes a series-connected power distribution architecture for data center server clusters, which decouples conversion losses from the total power delivered — allowing for conversion losses to remain relatively fixed, even as server...
In this paper, the fundamental advantages of series-connected voltage domains are briefly discussed in light of existing power distribution architectures for data centers. The key technical challenges of this architecture are addressed; and results from a working prototype system are presented as a proof of concept. In particular, a straightforward software-only solution is presented which eliminates...
ABSTRACT In this paper, we describe our ongoing work on designing an underwater sensor network for monitoring the ecosystem of the Mississippi river using freshwater mussels as biological sensors. One of the most extensive manifestations of anthropogenic mismanagement of nitrogen is eutrophication of the Gulf of Mexico. Our vision is to create a biosensor network of native freshwater mussels in the...
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