Development of the EMTS simulation methodology by for interconnected subsystems and a complex of models in ComSim

A set of models of electromechanotronics systems (EMTS) developed in C++ in the ComSim simulation environment is described. The models are built according to the methodology of modeling systems for interconnected subsystems, which allows to significantly reduce the cost of computer time for calculations. New calculation methods have been introduced into the methodology, which speed up the calculation process and allow the models to be refined. A library of models of electrical systems and their elements has been created. Examples of building models of complex installations are given. In particular, a model of a wind power plant with an asynchronous gen-erator and a modular multilevel frequency converter is described. A model of an asynchronized electromechanical insert in the power supply system of a metropolis is described. Insertion circuits with two asynchronized generator-motors and transistor active frequency converters in the excitation and start circuits of the electric machine unit are given. Diagrams of voltages, currents, rotational speeds of machines and other variables in various operating modes of the system are given.

Authors: A. G. Vorontsov

Direction: Electrical Engineering

Keywords: simulation, electromechanotronic system, three-level converter, cascade converter, modular multilevel converter

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