2-D Analytical No-Load Electromagnetic Model for Slotted Interior Permanent Magnet Synchronous Machines

Faradonbeh, Vahid Zamani; Rahideh, Akbar; Boroujeni, Samad Taghipour; Markadeh, Gholamreza Arab

doi:10.1109/tec.2021.3064034

Cited by 8 publications

(9 citation statements)

References 17 publications

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“…In [7,12], an air-gap function is used to model the effects of the stator slots on the radial flux density (Figure 5a); however, in reality, the flux lines choose the shortest length in the air-gap (Figure 5b). Therefore, in this paper, the following flux path function is used instead of the air-gap function.…”

Section: -D Analytical Modelmentioning

confidence: 99%

“…According to [12], any IPMSM can be modelled via the modification of an analogous SPMSM model. IPMSMs with N flux barriers can be modelled by SPMSMs with N types of PM.…”

Section: -D Analytical Model At No-load Conditionmentioning

confidence: 99%

“…NLF and Maxwell stress tensor techniques are based on 1-D and 2-D models, respectively. Some of the well-known 2-D analytical techniques are sub-domain (SD) [8][9][10], conformal mapping (CM) [4,11], and virtual surface currents (VSCs) [5,8,12], which are used to compute the air-gap magnetic flux density in those electric machines having slotted stator/rotor structures.…”

Section: Introductionmentioning

confidence: 99%

“…In [7,15], the saturation of iron bridges is considered by VSC and a constant flux. In [12], a fast analytical no-load model has been presented for five rotor topologies of IPMSMs with single-layer PM, that is, one flux barrier. The effects of the stator slots on the radial and tangential components of the flux density vector are considered via an air-gap function and VSCs, respectively [12].…”

Section: Introductionmentioning

confidence: 99%

“…In [12], a fast analytical no-load model has been presented for five rotor topologies of IPMSMs with single-layer PM, that is, one flux barrier. The effects of the stator slots on the radial and tangential components of the flux density vector are considered via an air-gap function and VSCs, respectively [12]. In [16,17], a hybrid analytical method base on SD and MEC are used for multilayer IPM machines in a no-load condition and PM vernier machines in an on-load condition, respectively.…”

Section: Introductionmentioning

confidence: 99%

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2‐D analytical on‐load electromagnetic model for double‐layer slotted interior permanent magnet synchronous machines

Faradonbeh

Rahideh

2021

IET Electric Power Appl

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A fast hybrid analytical model is presented to predict the on-load performance of doublelayer interior permanent-magnet synchronous machines (IPMSMs) considering both iron bridges saturation and slotting effects. The saturation of the iron bridges is defined by a constant flux in the magnetic equivalent circuit method. The slotting effect is defined by a flux path function and virtual surface currents (VSCs) in one-dimensional (1-D) and twodimensional (2-D) analytical methods, respectively. For the no-load condition, doublelayer IPMSMs are modelled via surface-mounted permanent magnet synchronous machines with two types of the permanent magnet model and the Magnetic Islands method are used to calculate the armature reaction. The effect of the stator slots is considered by using VSCs. To increase the computation speed in the 2-D analytical method, the amount of VSC is calculated by 1-D analysis. The 1-D and 2-D analytical results for a double-layer IPMSM are compared with those of finite element analysis and experimental set-up.

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Section: -D Analytical Modelmentioning

confidence: 99%

“…According to [12], any IPMSM can be modelled via the modification of an analogous SPMSM model. IPMSMs with N flux barriers can be modelled by SPMSMs with N types of PM.…”

Section: -D Analytical Model At No-load Conditionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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2‐D analytical on‐load electromagnetic model for double‐layer slotted interior permanent magnet synchronous machines

Faradonbeh

Rahideh

2021

IET Electric Power Appl

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A new hybrid analytical model for electromagnetic analysis of wound rotor induction motors

Rezaee‐Alam

Hosseini

Rezaeealam

2022

Int J Numerical Modelling

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Accurate modeling of slotting and magnetic saturation effects has been two main challenges for analytical modeling of electric machines. In this article, first, different techniques such as sub-domain (S-D) model, winding function theory, magnetic equivalent circuit (MEC) model, and conformal mapping (CM) method are introduced to analytical model and analysis of electric machines. These techniques are also compared in terms of their accuracy, and computational complexity. Second, with respect to the comparison results, a new hybrid analytical model is presented for electromagnetic modeling of wound rotor induction motors, which consider the modeling accuracy of slotting and magnetic saturation effect, simultaneously. In this way, the air-gap region is modeled by using S-D model, and the iron parts are considered by using MEC model assisted by CMs. In final, the analytical results are verified by comparing with corresponding results obtained through finite element method and experiment set-up.

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Incorporating the coupled effects of slot opening, armature reaction and saturation in the model of the airgap flux density distribution of permanent magnet synchronous machines

Babaei,

Feyzi,

Nazari Marashi

2023

IET Electric Power Appl

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A new analytic model for calculating of the air‐gap flux density (AGFD) of surface‐mounted permanent magnet synchronous machines (SMPMSMs) is presented. This proposed model is capable to taking into account the effects of magnetic saturation, armature reaction and stator slots opening. Furthermore, the real form of air‐gap distribution and spatial distribution of flux density of the PM poles are considered. The armature reaction effect is modeled using phasor diagram analysis of the motor as a function of the load torque, the armature current amplitude, power factor and the inverse air gap length. Also, saturation phenomenon predicted using the new non‐linear proposed function in connection with the armature reaction effects and the properties of the lamination material. It is shown that the proposed model capable to predicting acceptably the air gap flux density waveform of the SMPMSMs at lagging and leading power factors and with the load torque variation. The presented analytical approach is verified by the two‐dimensional finite‐element analysis (FEA) results.

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2-D Analytical No-Load Electromagnetic Model for Slotted Interior Permanent Magnet Synchronous Machines

Cited by 8 publications

References 17 publications

2‐D analytical on‐load electromagnetic model for double‐layer slotted interior permanent magnet synchronous machines

2‐D analytical on‐load electromagnetic model for double‐layer slotted interior permanent magnet synchronous machines

A new hybrid analytical model for electromagnetic analysis of wound rotor induction motors

Incorporating the coupled effects of slot opening, armature reaction and saturation in the model of the airgap flux density distribution of permanent magnet synchronous machines

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