A Three-Phase Integrated Onboard Charger for Plug-In Electric Vehicles

Shi, Chuan; Tang, Yichao; Khaligh, Alireza

doi:10.1109/tpel.2017.2727398

Cited by 107 publications

(31 citation statements)

References 26 publications

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“…However, this entails extra hardware components to achieve the previously mentioned charging requirements. A simple solution that employs an additional three-phase interface converter to obtain a highpower three-phase integrated on-board charging has been investigated in [67] and is shown in Fig. 18.…”

Section: B Fast Three-phase Chargingmentioning

confidence: 99%

A Review of Integrated On-Board EV Battery Chargers: Advanced Topologies, Recent Developments and Optimal Selection of FSCW Slot/Pole Combination

et al. 2020

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Integrated on-board battery chargers (OBCs) have been recently introduced as an optimal/elegant solution to increase electric vehicle (EV) market penetration as well as minimize overall EV cost. Unlike conventional off-board and on-board battery chargers, integrated OBCs exploit the existing propulsion equipment for battery charging without extra bulky components and/or dedicated infrastructure. OBCs are broadly categorized into three-phase and single-phase types with unidirectional or bidirectional power flow. This paper starts with surveying the main topologies introduced in the recent literature employing either induction or permanent magnet motors to realize fully integrated slow (single-phase) and fast (threephase) on-board EV battery charging systems, with emphasis on topologies that entail no or minimum hardware reconfiguration. Although, permanent magnet (PM) motors with conventional double-layer distributed winding layouts have been deployed in most commercial EV motors, the non-overlapped fractional slot concentrated winding (FSCW) has been the prevailing choice in the most recent permanent magnet motor designs due to its outstanding operational merits. Hence, a thorough investigation of the impact different FSCW stator winding designs have on machine performance under the charging process is presented in this paper. To this end, the induced magnet losses, which represent a challenging demerit of the FSCW, have been used to compare different topologies under both propulsion and charging operation modes. Based on the introduced comparative study, the optimal slot/pole combinations that correspond to the best compromise under both operational modes have been highlighted. INDEX TERMS Integrated chargers, on-board battery chargers (OBCs), multiphase machines, fractional slot concentrated winding (FSCW), battery charging, optimal slot/pole combinations, reviews. MOHAMED Y. METWLY received the B.Sc. degree in electrical engineering from Alexandria University, Alexandria, Egypt, in 2018. He is currently a Researcher with Smart-CI, Alexandria University. His current research interests include battery chargers, electric vehicles, and renewable energy systems. MAHMOUD S. ABDEL-MAJEED received the B.Sc. degree in electrical engineering from Alexandria University, Alexandria, Egypt, in 2019. He is currently a Researcher with Smart-CI, Alexandria University. His current research interests include battery chargers, automotive, smart grid, and power electronics.

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Section: B Fast Three-phase Chargingmentioning

confidence: 99%

A Review of Integrated On-Board EV Battery Chargers: Advanced Topologies, Recent Developments and Optimal Selection of FSCW Slot/Pole Combination

et al. 2020

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“…A single-stage isolated PFC has been investigated in [51] to achieve higher efficiencies. 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.…”

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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“…Comparing with the known integrated EV chargers, it is possible to see that it presents similar values. This comparison was made considering the chargers presented in the works [21,22,24,25,28,31], in where their efficiency is 90%, 87%, 89%, 82-92%, 76%, and 83%.…”

Section: Resultsmentioning

confidence: 99%

Integrated Battery Charger for Electric Vehicles Based on a Dual-Inverter Drive and a Three-Phase Current Rectifier

et al. 2019

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This paper presents a new three-phase battery charger integrated with the propulsion system of an electric vehicle. The propulsion system consists of a dual-inverter topology connected to an induction motor via open windings. The electrical vehicles (EV) batteries are divided by two inverters. This will result in a drive with multilevel characteristics reducing the total harmonic distortion (THD) of the voltage applied to the motor. The modularity of the multilevel inverter will be maintained since two classical three-phase inverters are used. The charger will be fed by a three-phase high power factor current source rectifier. The motor windings will take the role of the DC-inductor required by the rectifier. In this way, an intermediate storage element between the grid and the batteries of the vehicle exist. For the control system of the battery charger, we propose the use of the instantaneous power theory and a sliding mode controller for the three-phase charger input currents. Finally, to verify the behavior and characteristics of the proposed integrated battery charger and control system, several tests are be presented.

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A Three-Phase Integrated Onboard Charger for Plug-In Electric Vehicles

Cited by 107 publications

References 26 publications

A Review of Integrated On-Board EV Battery Chargers: Advanced Topologies, Recent Developments and Optimal Selection of FSCW Slot/Pole Combination

A Review of Integrated On-Board EV Battery Chargers: Advanced Topologies, Recent Developments and Optimal Selection of FSCW Slot/Pole Combination

E-Mobility — Advancements and Challenges

Integrated Battery Charger for Electric Vehicles Based on a Dual-Inverter Drive and a Three-Phase Current Rectifier

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