Battery electric vehicle (BEV) powertrain modelling and testing for real-time control prototyping platform integration

Raia, Maria Raluca; Ruba, Mircea; Marțiș, Claudia; Husar, Calin; Sirbu, Gabriel Mihai

doi:10.23919/epe21ecceeurope50061.2021.9570616

Cited by 9 publications

(2 citation statements)

References 11 publications

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“…Wound rotor synchronous motors (WRSM) have no disadvantages such as this and are used in traction applications by BMW (BMW iX3 crossover) and Renault (Renault Zoe supermini electric car, Fluence sedan, Megane E-TECH small family car) (BMW [10,11], Renault [12]). WRSMs have no magnets.…”

Section: Introductionmentioning

confidence: 99%

Design Optimization of a Synchronous Homopolar Motor with Ferrite Magnets for Subway Train

2023

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Brushless synchronous homopolar machines (SHM) have long been used as highly reliable motors and generators with an excitation winding on the stator. However, a significant disadvantage that limits their use in traction applications is the reduced specific torque due to the incomplete use of the rotor surface. One possible way to improve the torque density of SHMs is to add inexpensive ferrite magnets in the rotor slots. This paper presents the results of optimizing the performances of an SHM with ferrite magnets for a subway train, considering the timing diagram of train movement. A comparison of its characteristics with an SHM without permanent magnets is also presented. When using the SHM with ferrite magnets, a significant reduction in the dimensions and weight of the motor, as well as power loss, is shown.

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Section: Introductionmentioning

confidence: 99%

Design Optimization of a Synchronous Homopolar Motor with Ferrite Magnets for Subway Train

2023

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“…The wound rotor synchronous machine (WRSM) with an excitation winding and magnetless design is more promising than IPMSMs when the drive requires a wide CPSR. Such WRSMs are used in electric vehicles manufactured by BMW and Renault (BMW iX3, Renault Zoe, Renault Fluence models) [8][9][10][11]. The current and magnetomotive force (MMF) of the excitation winding can be changed to implement the field weakening control strategy for WRSMs, which allows for better performance than IPMSMs.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Interior Permanent Magnet and Synchronous Homopolar Motors for a Mining Dump Truck Traction Drive Operated in Wide Constant Power Speed Range

et al. 2022

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Synchronous homopolar motors (SHMs) with an excitation winding located at the stator and a toothed salient pole rotor are a good alternative to motors traditionally used in traction applications such as induction motors or interior permanent magnet synchronous motors (IPMSM). This study presents the results of a theoretical comparison between an IPMSM and an SHM in a traction application with a constant power speed range of 1:10, which is specific to the mining truck drives, and with a rated power of 370 kW. The considered IPMSM and SHM have the same number of phases, poles and stator slots, and the same outer diameter of the stator lamination. The IPMSM design is optimized using the Nelder–Mead method. The main objectives of optimization are to minimize the average losses in the operating cycle and to limit the required power of the semiconductor inverter. The performance of the optimized IPMSM is compared with the previously obtained performance of the SHM optimized by the same method. Although the average losses in the operating cycle in the compared motors are approximately equal, the losses at high speed for the IPMSM are about two times greater than at low speed with maximum torque, which means that there is a need to intensify the IPMSM cooling system and there is deterioration of reliability. The advantage of the IPMSM is the reduction in the length of the active part by 30%. The advantage of the SHM is that there is 4.6 times lower cost of active materials. In addition, the SHM is more reliable than the IPMSM, as there is no risk of overheating, demagnetization or degradation of permanent magnets over time.

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Test-Based Virtual Methods to Explore NVH Issues of Hybrid and Electrical Vehicles

Sacareanu,

Irimia,

Predica

et al. 2024

Proceedings in Automotive Engineering

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Battery electric vehicle (BEV) powertrain modelling and testing for real-time control prototyping platform integration

Cited by 9 publications

References 11 publications

Design Optimization of a Synchronous Homopolar Motor with Ferrite Magnets for Subway Train

Design Optimization of a Synchronous Homopolar Motor with Ferrite Magnets for Subway Train

Comparison of Interior Permanent Magnet and Synchronous Homopolar Motors for a Mining Dump Truck Traction Drive Operated in Wide Constant Power Speed Range

Test-Based Virtual Methods to Explore NVH Issues of Hybrid and Electrical Vehicles

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