Volume 17, Issue 1 (March 2021)
IJEEE 2021, 17(1): 1620-1620 |
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Abstract: (2044 Views)
Nowadays study of input voltage quality on induction motors behavior has become a controversial subject due to the wide application of these motors in the industry. The impact of grid voltage fluctuations on the performance of induction motors can be included in this area. The majority of papers devoted to the influence of voltage fluctuations on the induction motors are focusing only on the solving of d-q state equations or steady-state equivalent circuit analysis. In this paper, a new approach to this issue is investigated by field analysis which studies the effects of voltage fluctuations on the magnetic fluxes of induction motors. New analytical expressions to approximate the airgap flux density and the torque under-voltage fluctuation conditions are presented. These characteristics are also calculated directly by the finite-element method considering the magnetic saturation and the harmonic fields. Finally, experimental results on a typical induction motor are employed to validate the accuracy of analytical and simulation results.
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- The paper offers a new point of view to this subject by an analytical method based on the field analysis.
- The paper presents new analytical expressions to approximate the airgap flux density and the torque of induction motor under voltage fluctuation conditions.
- The analytical approach gives insight into the stator, rotor, and airgap field distributions, slot and MMF space harmonics, torque components of induction motors under voltage fluctuation conditions.
Type of Study: Research Paper |
Subject:
Induction Machines
Received: 2019/09/29 | Revised: 2020/03/18 | Accepted: 2020/04/10
Received: 2019/09/29 | Revised: 2020/03/18 | Accepted: 2020/04/10
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