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This paper outlines a procedure for loss allocation in both radial and meshed distribution networks with distributed generation that could be regulated in various ways. The method is analytically developed based on the theory of electrical circuits combined with game theory based on Aumann–Shapley, which guarantees both the electrical principles and the fair axioms of game theory. The proposed method obtains unitary participation coefficients for each network user based on the currents demanded/injected by each user and the network topology. The proposed allocation method based on Aumann–Shapley has been compared with other traditional allocation methods, is adaptable to distribution networks, and shows great potential and ease of implementation. Moreover, it can be applied to any kind of distribution network (radial or meshed) with distributed energy resources. [ABSTRACT FROM AUTHOR]

Power systems are increasingly operated in a corrective rather than preventive security mode, which means that appropriate control actions must be taken immediately after a contingency has occurred. This paper proposes an online algorithm for automatically alleviating contingencies such as voltage limit violations and line overloads. Unlike previously proposed approaches, the network itself serves as a natural solver of the power flow equations. This makes it possible to start the implementation immediately and avoids problems caused by modeling errors. Every time the controller receives measurements from the grid, it evaluates the presence of contingencies and computes the optimal corrective actions that can be implemented before the next sampling period, subject to ramping constraints of the generators. These corrective actions are implemented through the standard automatic generation control. Finding the optimal incremental corrective actions is fast because this problem is linearized. The effectiveness of this algorithm at correcting both line overloads and voltage violations is demonstrated using the IEEE-118 Bus test system. [ABSTRACT FROM AUTHOR]

This paper presents a biologically inspired approach for distributed slot synchronization in wireless networks. This is facilitated by modifying and extending a synchronization model based on the theory of pulse-coupled oscillators. The proposed Meshed Emergent Firefly Synchronization (MEMFIS) multiplexes synchronization words with data packets and adapts local clocks upon the reception of synchronization words from neighboring nodes. In this way, a dedicated synchronization phase is mitigated, as a network-wide slot structure emerges seamlessly over time as nodes exchange data packets. Simulation results demonstrate that synchronization is accomplished regardless of the arbitrary initial situation. There is no need for the selection of master nodes, as all nodes cooperate in a completely self-organized manner to achieve slot synchrony. Moreover, the algorithm is shown to scale with the number of nodes, works in meshed networks, and is robust against interference and collisions in dense networks. [ABSTRACT FROM AUTHOR]

This paper describes the architectural study of an innovative ultra-fast packet-switched transparent processor dealing efficiently with unicast and multicast applications. The proposed architecture aims at outperforming current packet processor architectures in terms of total throughput and efficiency. In order to cope with the limitations of today's on board processors, three new concepts are introduced: transparent burst switching, channel multiplexing, and bandwidth asymmetry. Some of these concepts are already well known in the field of optical terrestrial networks but need further improvements and adaptations to cope with the requirements of satellite processors and systems. Transparent burst switching is used to enhance the transparency of the processor: the packet payload is processed transparently and only the header is demodulated onboard. The channel multiplexing and bandwidth asymmetry techniques are used to consolidate bufferless switch architectures, which appear to be very attractive for increasing the overall throughput of switches. Finally, the paper introduces an innovative efficient and scalable hybrid optical/digital implementation of this processor. The focus here is on a satellite-switched code/time-division multiple-access type of system but the results and concepts provided in this paper can apply to other satellite-switched systems. [ABSTRACT FROM AUTHOR]