Equivalent Circuit Parameter Calculations and Characteristics Analysis of 2-DoF Direct Drive Induction Motor with a Slotted Solid Rotor
Source abstract
Abstract
In this paper, a modified equivalent circuit model (ECM), which considers the effects of an arc-shaped stator structure and saturation, is presented to calculate the characteristics of a two-degree-of-freedom direct drive induction motor (2DoFDDIM). The motor has a novel slotted solid rotor (SSR), which is slotted along the axial and circumferential directions, and copper is cast in the slots. The SSR is equivalent to a cage rotor by analyzing the current distribution using the circuit diagram. The corrected ECM parameter expressions of a cage rotor are proposed to calculate the SSR parameters. The characteristics obtained by ECM and finite element method are compared to verify the accuracy of the modified ECM. This paper provides reference for calculating the parameters of the induction motor with SSR.
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Research context
OpenAlex topics: Electric Motor Design and Analysis · Magnetic Bearings and Levitation Dynamics · Magnetic Properties and Applications
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Affiliations
School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo 454000, China
College of Electric Engineering, Zheng Zhou University, Zhengzhou 450001, China
Funding
National Natural Science Foundation of China
References (15)
Show source-provided references
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