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This paper considers variants for improving the energy efficiency of oil producing sucker rod pumps with new alternative electric drives based on valve electric motors instead of existing ones based on serial asynchronous motors. As an option, the drive of a sucker rod pump with a linear cylindrical motor valve motor is proposed.

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An analytical method for calculating the magnetic field of a magnetoelectric valve motor is considered based on the division of its active region into a set of geometrically homogeneous sheets, at the boundaries of which the conditions for conjugating their magnetic fields are met: scalar magnetic potentials and normal components of magnetic induction do not undergo a jump (break). As sources of the magnetic field, in addition to permanent magnets and currents of the stator winding, the magnetization of ferromagnetic sections of its magnetic circuit is provided. When using the Fourier method of separation of variables, the conjugation conditions will be reduced to solving a system of linear equations to find the corresponding constants. The solution of the system of parametric equations describing the design scheme of the inductor of a slotless magnetoelectric valve motor is given, in general terms using the Maxima analytical (symbolic) calculation package. The solution obtained makes it possible to use the results to describe the magnetic potentials and inductions of valve motors of various design geometries.

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