Effect of Shaft Twisting on Electromagnetic Torque Reduction of a Submersible Oil-Pump Motor

Effect of Shaft Twisting on Electromagnetic Torque Reduction of a Submersible Oil-Pump Motor

One property that defines submersible oil pump motors is a large axial dimension with, correspondingly, a large shaft length. Since shaft twisting is more pronounced over a long length, this can adversely affect the magnitude of the electromagnetic torque. This paper discusses the effect of the twis...

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Bibliographic Details
Published in:Russian electrical engineering Vol. 93; no. 5; pp. 310 - 314
Main Authors: Vyaltsev, G. B., Nikulin, R. O., Chugunov, V. V., Chestyunina, T. V.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 2022
Springer Nature B.V
Subjects:
Axial flow pumps
Engineering
Machines
Manufacturing
Processes
Reduction
Torque
Twisting
mathematical model
permanent-magnet machine
shaft twisting
submersible motor
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Summary:One property that defines submersible oil pump motors is a large axial dimension with, correspondingly, a large shaft length. Since shaft twisting is more pronounced over a long length, this can adversely affect the magnitude of the electromagnetic torque. This paper discusses the effect of the twisting of a submersible oil-pump motor shaft on the reduction of the electromagnetic torque, considers various hypotheses under which this effect manifests itself in different ways, and describes a mathematical model for such calculations.
ISSN:1068-3712
1934-8010
DOI:10.3103/S1068371222050133