Forming and Analytical Description of the Basic Vectors of a Two-Phase Switched Motor with a Two-Section Phase Winding

  • Alexander V. KRIVILEV
  • Evgeniy A. DUNICH
Keywords: two-phase switched motor, three-phase motor, phase winding sections, equivalent circuit, section connection diagrams, section parameter designations, motor phase engagement methods, section vector, phase vector, basic vector, basic vector sets, analytical description of basic vector set

Abstract

The article describes a new approach to the consideration of physical processes in switched motors with two-section phase windings, in which the section is taken as an elementary analysis unit. A system of designations for sections and phases is proposed, which can be extended to an arbitrary number of phases in the motor and sections in the phase. The possible states of the phases and sections that characterize the participation of each of them in producing the electromagnetic torque are determined. For a two-phase switched motor, possible section connection diagrams, phase engagement methods corresponding to these diagrams, and sets of basic armature magnetic induction vectors are determined. An analytical description of the basic vectors in the form of sets, the elements of which contain information about the amplitude and phase shift, is performed. The sets of basic vectors in a two-phase motor with a two-section phase winding are compared with those in a three-phase motor with a single-section phase winding, which is currently most widely used. The obtained description of the basic vector sets can serve as a basis for analytically representing a digital device for controlling a two-phase switched motor, and also as a basis for implementing control methods based on vector pulse width modulation.

Author Biographies

Alexander V. KRIVILEV

(Moscow Aviation Institute (The National Research University), Moscow, Russia) –
Director of the Institute No. 7 "Robotic and Intelligent Systems", Acting Head of the Drive Systems of Aerospace Engineering Dept., Dr. Sci. (Eng.).

Evgeniy A. DUNICH

(Moscow Aviation Institute (The National Research University), Moscow, Russia)  – postgraduate student of the Drive Systems of Aerospace Engineering Dept.

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Published
2021-05-31
Section
Article