E3S Web Conf.
Volume 288, 2021International Symposium “Sustainable Energy and Power Engineering 2021” (SUSE-2021)
|Number of page(s)||5|
|Published online||14 July 2021|
The mathematical model and a block diagram of a synchronous motor compressor unit with a system of automatic control of the excitation
1 Tashkent State Technical University, DSc., Prof. Head of the Department of Electrical machine, Tashkent, 100095, Uzbekistan
2 Scientific and Technical Center of JSC Uzbekenergo, DSc., Prof. Head of the Laboratory, Tashkent, Uzbekistan
3 Bukhara Engineering Technological Institute, Senior Lecturer, Doctoral Student, Department of Energy Audit, Bukhara, Uzbekistan
4 Tashkent State Technical University, Doctoral Student, Department of Electrical machine, Tashkent, 100095, Uzbekistan
5 Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan, Tashkent, 100170, Uzbekistan
The general requirements for the automatic excitation control system of synchronous motors of a compressor unit are shown, taking into account its operating modes. A mathematical model is presented, a block diagram of the excitation circuits of a synchronous motor of a compressor unit and an exciter, which characterizes the feedback of the internal properties of this part of the system in dynamics. A block diagram of a closed-loop automatic excitation control system is obtained, taking into account the elasticity of the mechanical part and a hard blow in the compressor gas pipeline. The obtained structural diagrams make it possible to determine the transfer functions of the considered system in terms of control and disturbing influences, the characteristic equation, as well as the dependencies of various frequency characteristics, which make it possible to investigate the dynamic indicators (stability, control quality, etc.) of the system.
© The Authors, published by EDP Sciences, 2021
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