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One of the most common applications of the AC optimal power flow (ACOPF) in distribution systems is the network reconfiguration problem, which consists of altering the topology of the network in order to optimize a given objective function ?? usually, minimizing ohmic losses. We propose a mixed-integer linear programming reformulation of the network reconfiguration problem for distribution systems,...
The allocation of ohmic losses in the transmission system with a method that complies with the requisite of cost causality is critical for sending location-specific, efficient economic signals to transmission system users, and to incentivize the efficient use and expansion of the electricity system. In this paper, we employ a formulation of the Incremental Transmission Losses allocation method that...
This paper presents a modified topology of the neutral-point-clamped inverter suitable to increase the converter reliability in safety-critical applications. With the proposed scheme, the energy processing capacity can be maintained even for multiple failure modes. Its fault-tolerant ability results from redundancy of power devices and from modifications in the control strategy. The theoretical validity...
ICT systems are made of software, middleware and hardware components and are usually distributed over a network. Middleware and hardware components are combined on what is usually designated an "IT Infrastructure (ITI)". It is upon that ITI that application software is run. The topology of that ITI poses constraints on software algorithms, data structures and software configuration, due...
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