Bench Testing Validation of Wireless Power Transfer up to 7.7kW Based on SAE J2954

Schneider, Jesse; Kamichi, Kensuke; Mikat, Daniel; Sutton, Robert; Abdul-Hak, Mohamad; Minagawa, Yusuke; Abeta, Hiroyuki; Taha, Eloi; Boyer, Rich; Sirota, Jonathan; Kesler, Morris P.; Carlson, Richard Barney; Klerer, Mark; Mathar, Sebastian

doi:10.4271/2017-01-2448

Cited by 4 publications

(3 citation statements)

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“…When a living thing is subjected to a strong magnetic field, there have been occasional instances of the subject experiencing symptoms such as nausea, spinning, exhaustion, and changes in blood pressure. For this reason, the standard J2954 established by the Society of Automotive Engineers (SAE) advised adhering to the ICNIRP guideline to maintain the low-level magnetic field up to a specific distance [168]. A methodology known as Hazard-Based Safety Engineering, or HBSE for short, is a strategy that focuses mainly on hazardous sources of energy, the end up paying, and a body part.…”

Section: Issues In Wireless Chargingmentioning

confidence: 99%

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Review of Wireless Charging System: Magnetic Materials, Coil Configurations, Challenges, and Future Perspectives

et al. 2023

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Electric transportation will assist in lowering emissions of greenhouse gases and mitigating the impact of rising petrol prices. To promote the widespread adoption of electric transportation, a diverse range of charging stations must be established in an atmosphere that is friendly to users. Wireless electric vehicle charging systems are a viable alternative technology that can charge electric vehicles (EVs) without any plug-in issues. Wireless power transfer (WPT), which involves the transmission of electricity via an electromagnetic field despite the presence of an intervening area, holds out the possibility of new prospects for EVs to increase environmentally responsible mobility. This review article examines the WPT technology and how it might be applied to electric vehicles from both a technical and safety standpoint. The prime aim of this review is (1) to illustrate the current state of the art in terms of technological advances as well as research limitations in the field of WPT development and use within the field of transportation; (2) to organise the experimental the deployment of WPT EV systems in the actual world; and (3) to analyse the results over a sustainable period and to identify limitations as well as chances for growth. From a technical point of view, the progress that has been made on the selection of material for designing coils, different types of coils with a specific focus on the overall performance of the system. As a result, this study aims to provide an extensive overview focusing on the magnetic materials and the architectures of the transmitter and receiver pads.

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Section: Issues In Wireless Chargingmentioning

confidence: 99%

“…The voltage level in the WPT system's coils can be higher than the source strength itself. Electric shocks can be avoided by hermetically sealing the coil conductor, which is required to protect the consumers [168].…”

Section: Issues In Wireless Chargingmentioning

confidence: 99%

Review of Wireless Charging System: Magnetic Materials, Coil Configurations, Challenges, and Future Perspectives

et al. 2023

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“…The system consists of a transmitter and receiver charging coils with self and mutual inductances L p , L s and M , respectively, while their internal resistances are R p and R s . The vertical clearance between the coils is 150 mm, which comes under the Z 2 category of the SAEJ2954 standard Z-class [25] and the nominal operating frequency is 85kHz. A S-S capacitive compensation with resonance capacitors C p and C s in transmitter and receiver side are used to improve the system's power transfer ability and lower the volt-ampere (VA) rating of the source.…”

Section: Wireless Power Transfer Systemmentioning

confidence: 99%

Efficiency Enhancement in BiWPT Systems: A Novel Control Approach for Mitigating Impact of Misalignment and Load Variation

Kumar¹

2023

Preprint

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<p>Misalignment can significantly affect the mutual inductance of a wireless power transfer (WPT) system, there by impacting the system’s power transfer capabilities and efficiency. Traditionally, to achieve optimal efficiency with constant output power under misalignment, individual closed loop feedback control needs to be used on both the transmitter and receiver sides. The receiver side phase shift (β) is controlled to maintain the constant output power, and the transmitter side phase shift (α) is controlled to achieve unity power factor for optimal efficiency. However, this necessitates additional high-bandwidth sensing circuitry, thereby increasing system complexity. This paper proposes a novel control approach for mitigating the impact of misalignment and load variation by employing a single receiver-side controller. A closed form analytical relationship between α and β has been established in this paper to maintain optimal efficiency while regulating output power. The proposed method obtains β from the receiver side controller and α from the derived relation. The proposed control method is validated using an experimental setup of a 1 kW bidirectional wireless power transfer (BiWPT) system. The simulation and experimental results of the BiWPT system under various loading and misalignment conditions are presented.</p>

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Interoperability Rating of Wireless Charging Equipment using a Decoupled Impedance Interface

Barth

Cortese

Darrat

et al. 2020

2020 IEEE Vehicle Power and Propulsion Conference (VPPC)

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Bench Testing Validation of Wireless Power Transfer up to 7.7kW Based on SAE J2954

Cited by 4 publications

References 1 publication

Review of Wireless Charging System: Magnetic Materials, Coil Configurations, Challenges, and Future Perspectives

Review of Wireless Charging System: Magnetic Materials, Coil Configurations, Challenges, and Future Perspectives

Efficiency Enhancement in BiWPT Systems: A Novel Control Approach for Mitigating Impact of Misalignment and Load Variation

Interoperability Rating of Wireless Charging Equipment using a Decoupled Impedance Interface

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