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The introduction of generation sources and adjustable reactive power compensation devices in distribution electric networks of railways requires the development of new methods of group voltage control, for example, based on an agent-based approach. Multi-agent voltage management allows to obtain new results related to the possibility of self-organizing agents-active elements of the electrical network, which leads to an increase in the reliability of power supply and power quality. Modeling the considered multi-agent control systems on classical models of system dynamics is difficult because of the complex interaction of agents due to their individual utility goals, the presence of logical operations and the event-driven nature of the processes. A significant part of publications on multi-agent control of electric network modes, including those with elements of distributed generation, energy storages, is devoted to the development of concepts and subsystems of such management, in which the simulation results are presented for individual components. The implementation of the approach based on a combination of traditional methods of system dynamics and agent-based modeling will solve these problems. The principles of coordination of local agents of power sources of the type "auction" and expressions for determining control actions based on the sensitivity of voltages in the electrical network nodes to power injections are presented. Agent state diagrams have been developed for modeling multi-agent voltage control using reactive power sources in distribution electrical networks of railways in the Anylogic environment. The simulation of the voltage control in the test electrical network when changing the parameters of the mode. The obtained simulation results indicate the validity of approaches to voltage stabilization by multi-agent control methods and the possibility of their practical implementation on the basis of modern equipment.

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