Investigation of the Influence of Skewed Slots and Degmagnetization Effects to Line Start Permanent Magnet Assistance Synchronous Reluctance Motors

Manh, Tien Ho; Minh, Dinh Bui; Minh, Tu Pham; Quốc, Vương Đặng

doi:10.48084/etasr.5307

Cited by 4 publications

(4 citation statements)

References 10 publications

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“…In the context of electromagnetism, space vectors are often used to represent the orientation of magnetic fields. The electromagnetic torque is computed as [8][9][10][11]:…”

Section: Modeling Of Eesm Designmentioning

confidence: 99%

Analysis of Electromagnetic Parameters of Hybrid Externally Excited Synchronous Motors for Electric Vehicle Applications

Nguyen

Hai

Minh

et al. 2023

Eng. Technol. Appl. Sci. Res.

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This paper presents two different approaches to improve the electromagnetic torque and output power of the hybrid Externally Excited Synchronous Motor (EESM) applied to Electric Vehicles (EVs). An analytical approach is first considered to define the main parameters of the proposed machine. Based on the obtained results from the analytical model, the hybrid EESM is designed with different rotor shapes and step-skewing magnet segments to reduce the total losses and improve torque ripple. Then, Finite Element Analysis (FEA) is applied to compute and simulate electromagnetic parameters, such as the magnetic flux density, mean torque, and output power. The development of these two approaches is validated on an actual EESM machine and the agreement with the theory is shown.

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“…In the context of electromagnetism, space vectors are often used to represent the orientation of magnetic fields. The electromagnetic torque is computed as [8][9][10][11]:…”

Section: Modeling Of Eesm Designmentioning

confidence: 99%

Analysis of Electromagnetic Parameters of Hybrid Externally Excited Synchronous Motors for Electric Vehicle Applications

Nguyen

Hai

Minh

et al. 2023

Eng. Technol. Appl. Sci. Res.

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“…𝜆 𝑞 (𝐼 𝑑 , 𝐼 𝑞 ) = 𝐿 𝑞 (𝐼 𝑑 , 𝐼 𝑞 )𝐼 𝑞 (11) It should be noted that from Eqs. ( 3)-( 11), the value of pλm in Eqs.…”

Section: Figure 6 Phasor Diagram Of Ipm Motormentioning

confidence: 99%

“…The authors [10] proposed a new approach based on the detection method for sensorless control of the IPMSM to improve initial rotor position. The irreversible demagnetization level of the line-start PM assistance synchronous reluctance motors (PMA-SynRMs) was investigated to evaluate the efficiency, torque and output power [11].…”

Section: Introductionmentioning

confidence: 99%

Performance Comparison of Permanent Magnet and Electrically Excited Motors for Electric Vehicles

Quốc¹,

Minh²,

Minh³

et al. 2023

JESA

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The objective of this paper is to compare and analyze two types of electric motors, an electrically excited synchronous motor (EESM) and an interior permanent magnet (IPM) motor for an electric vehicle (EV) application. In order to achieve the objective, a comparative analysis of the EESM and IPM motors is presented via the analytic model and finite element method to examine and simulate the torque and power performances as well as their efficiency maps of both motors based on a Volkswagen ID.3 2020 reference model. The analysis takes into account the same machine size and power inverter for both motors. The examination indicates that the EESM achieved better torque and power but lower efficiency, especially at high speeds. The EESM requires flux weakening for a wider constant power range. The EESM can be a low-cost alternative given its adjustable excitation. The EESM has achieved a wider speed range but lower peak efficiency than the IPM. Findings inform optimal propulsion system design for EVs. This research provides valuable insights for automakers seeking to optimize drivetrain performance by selecting suitable electric motor options. The findings contribute to the advancement of next-generation propulsion systems for electric mobility.

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“…This model was used to calculate various performance criteria and to evaluate the motor performance under different operating conditions. Reference [5], the efficiency of the line start permanent magnet (PM) SynRMs was improved via the optimal arrangements of PMs on rotor. In this paper, the demagnetization and skewed slots and effects was taken into account.…”

Section: Introductionmentioning

confidence: 99%

Modeling of Synchronous Reluctance Motors by Analytical and Finite Element Approaches for Electric Vehicle Applications

Duc,

Chi,

et al. 2023

UD-JST

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The design and analysis of synchronous reluctance motor (SynRM) with a distributed type winding is an alternative to replace the permanent magnet synchronous motors (PMSM), which is commonly used in electric vehicle applications. The use of a SynRM eliminates the need for permanent magnets (PMs), reducing the dependence on rare earth materials and potentially lowering costs. In this paper, there are two approaches: a new approach of step-skewing rotor (SSR) is proposed to improve eletromagnetic parameters such as minimization of the active volume, maximization of the output power and reduction of the torque ripple of the SynRM. Then, a finite element technique is developed to analyse and simulate the distribution of magnetic flux and map efficiency of the proposed SynRM. Additionally, the paper has also investigated the distribution of temparature and machnical stress in the region of flux barries of the rotor.

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Investigation of the Influence of Skewed Slots and Degmagnetization Effects to Line Start Permanent Magnet Assistance Synchronous Reluctance Motors

Cited by 4 publications

References 10 publications

Analysis of Electromagnetic Parameters of Hybrid Externally Excited Synchronous Motors for Electric Vehicle Applications

Analysis of Electromagnetic Parameters of Hybrid Externally Excited Synchronous Motors for Electric Vehicle Applications

Performance Comparison of Permanent Magnet and Electrically Excited Motors for Electric Vehicles

Modeling of Synchronous Reluctance Motors by Analytical and Finite Element Approaches for Electric Vehicle Applications

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