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Your search keyword '"Skarvelis-Kazakos, Spyros"' showing total 15 results
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15 results on '"Skarvelis-Kazakos, Spyros"'

6. DC Soft Open Points for Resilient and Reconfigurable DC Distribution Networks.

Author

Ramadan, Husam A. and Skarvelis-Kazakos, Spyros

Subjects
*ELECTRIC power, *DC-to-DC converters, *ELECTRICAL load, *POWER electronics, *MICROGRIDS
Abstract

This paper introduces the concept, theory of operation and applications of soft open points for direct current networks (DCSOPs). The DCSOP is based on a bidirectional DC–DC converter actively controlled to behave like a normal conductor. Unlike the normal conductor, the DCSOP can transfer the electric power between nodes at different voltage levels. With this advantage, the DCSOP can effectively control the power flow direction. Thus, DCSOPs can play a vital role in the reconfiguration of DC distribution networks. The operation and control of the DCSOP device was investigated, both in transient and steady-state conditions. Then, a DCSOP was integrated into a DC microgrid model to validate its ability to change the power flow through the modelled feeders. In addition, a set of reliability indicators was calculated for the DC microgrid under different reconfiguration scenarios. It was shown that reliability is improved when the DCSOP device implements network reconfiguration. Finally, an agent-based framework for controlling the DCSOP in a DC microgrid is presented. A fundamental implementation was created for reconfiguring a DC microgrid with a DCSOP controlled by an agent, proving that the agent-based system can effectively control the DCSOP device for reconfiguration and voltage regulation. [ABSTRACT FROM AUTHOR]

Published
2022
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14. Implementing agent-based emissions trading for controlling Virtual Power Plant emissions.

Author

Skarvelis-Kazakos, Spyros, Rikos, Evangelos, Kolentini, Efstathia, Cipcigan, Liana M., and Jenkins, Nick

Subjects
*POWER plants, *EMISSIONS (Air pollution), *VARIABLE pitch propellers, *MULTIAGENT systems, *ELECTRIC generators, *COMPUTER simulation
Abstract

Highlights: [•] A multi-agent system was designed for aggregated micro-generator emissions control. [•] Simulations of system operation were validated experimentally. [•] VPP emissions have been controlled with a good accuracy. [•] VPP controllability increased when the number of micro-generators was increased. [ABSTRACT FROM AUTHOR]

Published
2013
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15. Management of electric vehicle battery charging in distribution networks with multi-agent systems.

Author

Grau Unda, Iñaki, Papadopoulos, Panagiotis, Skarvelis-Kazakos, Spyros, Cipcigan, Liana M., Jenkins, Nick, and Zabala, Eduardo

Subjects
*ELECTRIC vehicle batteries, *MULTIAGENT systems, *REAL-time computing, *AUTOMATIC control systems, *ELECTRIC rates, *SUPPLY & demand
Abstract

Highlights: [•] A multi-agent system was designed for the battery charging management of electric vehicles. [•] The real-time operation of the agent-based control system was demonstrated experimentally. [•] Electric vehicles were managed according to electricity prices and network constraints. [•] Electric vehicles provided active demand services. [ABSTRACT FROM AUTHOR]

Published
2014
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