A Nine-Phase Permanent Magnet Electric-Drive-Reconstructed Onboard Charger for Electric Vehicle

Yu, Feng; Zhang, Wei; Shen, Yanchi; Mao, Jingfeng

doi:10.1109/tec.2018.2844793

Cited by 43 publications

(19 citation statements)

References 26 publications

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“…The propulsion system of EVs has been repurposed for fast charging with limited additional hardware in [52] and [53]. A nine-phase permanent magnet motor has been proposed in [54] to eliminate non-zero torque production during charging when repurposing the propulsion system as battery chargers. However, these solutions are not commercialized yet.…”

Section: A Onboard Battery Charger Circuit Topologiesmentioning

confidence: 99%

E-Mobility — Advancements and Challenges

et al. 2019

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Mobile platforms cover a broad range of applications from small portable electric devices, drones, and robots to electric transportation, which influence the quality of modern life. The end-to-end energy systems of these platforms are moving toward more electrification. Despite their wide range of power ratings and diverse applications, the electrification of these systems shares several technical requirements. Electrified mobile energy systems have minimal or no access to the power grid, and thus, to achieve long operating time, ultrafast charging or charging during motion as well as advanced battery technologies are needed. Mobile platforms are space-, shape-, and weight-constrained, and therefore, their onboard energy technologies such as the power electronic converters and magnetic components must be compact and lightweight. These systems should also demonstrate improved efficiency and cost-effectiveness compared to traditional designs. This paper discusses some technical challenges that the industry currently faces moving toward more electrification of energy conversion systems in mobile platforms, herein referred to as E-Mobility, and reviews the recent advancements reported in literature. INDEX TERMS Battery technology, fast charging, high-frequency magnetic materials, high-power-density converters, hybridized battery systems, more electric powertrains, wireless charging. I. INTRODUCTION Next-generation mobile platforms, ranging from handheld devices, mobile robots, and drones to automobiles, aircraft, and ships, require small, light, cost-effective, and longer operating energy systems to meet more aggressive mission profiles [1]-[3]. At the same time, most of these mobile platforms are moving toward more electrification, i.e., electrified-mobility (E-Mobility), if not fully there already. E-Mobility, herein, refers to more electrification of energy conversion systems in mobile platforms. E-Mobility opens new opportunities to meet the required energy system objectives, while also presenting new challenges. As an example The associate editor coordinating the review of this manuscript and approving it for publication was Xiaosong Hu .

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Section: A Onboard Battery Charger Circuit Topologiesmentioning

confidence: 99%

E-Mobility — Advancements and Challenges

et al. 2019

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“…In this paper, an MPC method with an enhanced AV 2 R was proposed for a two-level grid-connected inverter. First of all, three existing MPC methods and the corresponding AV 2 Rs were analyzed and discussed. Thereafter, to improve the steady-state performance of the MPC method, a formal mathematical methodology was studied in terms of duty-ratio calculation, in which the well-known Lagrange multipliers method and the Hessian matrix were applied.…”

Section: Discussionmentioning

confidence: 99%

“…For the sake of fast development of electric vehicle (EV), pertinent research and studies, such as on motor drive [1], battery charger [2] and vehicle to grid (V2G), have received ever-increasing concern. In particular, the V2G system is increasingly emphasized due to its distinct advantages in terms of both EVs and the grid.…”

Section: Introductionmentioning

confidence: 99%

An MPC Scheme with Enhanced Active Voltage Vector Region for V2G Inverter

Xia

Yang

et al. 2020

Energies

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In this paper, a model predictive control (MPC) scheme with an enhanced active voltage vector region (AV2R) was developed and implemented to achieve better steady-state performance and lower total harmonic distortion (THD) of the output current for a vehicle-to-grid (V2G) inverter. Firstly, the existing MPC methods conducted with single vector and two vectors during one sampling period were analyzed and the corresponding AV2Rs were elaborated. Secondly, the proposed strategy was investigated, aiming at expanding the AV2R and improving the steady-state performance accordingly. A formal mathematical methodology was studied in terms of duty ratio calculation. Lastly, the proposed method was carried out through experimentation. For comparison, the experimental results of the three mentioned methods were provided as well, proving the effectiveness of the proposed algorithm.

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“…Due to recent developments of the semiconductor technologies, high speed microcontrollers, intelligent power electronics modules and introducing the high strength Neodymium-Iron-Boron (NdFeB) magnet materials, wide range of application areas are presented for the permanent magnet (PM) synchronous motors. Because of the various benefits of PM motors such as high power/torque density, high torque-current ratio, high efficiency and quite operation, the use of such motors increases as opposed to other types of brushed or brushless motors especially in transportation and traction applications [1]- [5]. On the other hand, multiphase PM motors have been gaining popularity in recent years particularly in high power electric and hybrid vehicles as well as defense applications due to the high torque density, fault tolerance capability, redundancy and reliability [5]- [14].…”

Section: Introductionmentioning

confidence: 99%

Modeling and Experimental Verification of an Unconventional 9-Phase Asymmetric Winding PM Motor Dedicated to Electric Traction Applications

et al. 2020

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Multi-phase permanent magnet motors are becoming popular in various applications such as high power traction which require low cogging and torque ripple, and reduced noise and vibration. This paper presents the development process of a full order detailed mathematical model for an unconventional nine-phase permanent magnet (PM) motor with asymmetric AC windings. The phase inductances are calculated based on the individual winding functions. Using these parameters, electrical equations for each phase based on the voltages and flux linkages are generated. These equations are transformed into an arbitrary reference frame and the torque equations are developed for the 9-phase motor. A Matlab-Simulink model is then developed for the proposed nine-phase PM motor based on the developed dynamic equations. Finally, the model is validated with the finite element analysis and laboratory testing of the prototype motor. It is shown that the developed mathematical model can be used for such complex asymmetric winding multi-phase PM motors.

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A Nine-Phase Permanent Magnet Electric-Drive-Reconstructed Onboard Charger for Electric Vehicle

Cited by 43 publications

References 26 publications

E-Mobility — Advancements and Challenges

E-Mobility — Advancements and Challenges

An MPC Scheme with Enhanced Active Voltage Vector Region for V2G Inverter

Modeling and Experimental Verification of an Unconventional 9-Phase Asymmetric Winding PM Motor Dedicated to Electric Traction Applications

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