منابع مشابه
On the Power of Centralization in Distributed Processing
In this thesis, we propose and analyze a multi-server model that captures a performance trade-off between centralized and distributed processing. In our model, a fraction p of an available resource is deployed in a centralized manner (e.g., to serve a most-loaded station) while the remaining fraction 1− p is allocated to local servers that can only serve requests addressed specifically to their...
متن کاملPower Quality Improvement in Traction Power Supply Networks
AC railway traction loads are usually huge single phase loads. As a result, a significant amount of Negative Sequence Current (NSC) is injected into utility grid. Moreover, harmonics and consumption ofreactive power are further power quality problems that the supply network is encountering. In this paper, acompensation strategy with the aid of Railway Power Conditioner (RPC) is proposed to over...
متن کاملCentralization or Decentralization of Remanufacturing Facilities in an After-Market Service Supply Chain
Equipment manufacturers are increasingly selling complementary services such as remanufacturing services to their equipment customers. This servitization trend mandates that the remanufacturing supply chain network is optimized accordingly. In order to set up such network, investment decisions have to be made, not only regarding the number, locations and types of remanufacturing facilities, but...
متن کاملPower Supply Theory of Operation
Electronic circuits require a wide variety of voltage levels to operate correctly. A DC/DC converter (DC/DC) is an electronic circuit used either to transform one voltage level to a different level; or to provide an isolation barrier for a voltage bus. DC/DCs are typically used in power distribution systems to provide a local voltage conversion, point of load voltage regulation or power bus iso...
متن کاملParametric Power Supply Networks
Consider a graph G in which each vertex is either a supply vertex or a demand vertex and is assigned a supply or a demand. Such a graph G is called a power supply network. All the supplies and demands are nonnegative constant numbers in an ordinary network, called a steady network [1].This thesis introduces a parametric power supply network, in which all the supplies and demands are functions o...
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ژورنال
عنوان ژورنال: Proceedings of the American Institute of Electrical Engineers
سال: 1909
ISSN: 0097-2444
DOI: 10.1109/paiee.1909.6659542