High frequency resonant inverter for contactless energy transmission over large air gap

Mecke, Rudolf; Rathge, C.

doi:10.1109/pesc.2004.1355378

Cited by 72 publications

(33 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Mecke et al in [18] used circular coils to transfer 1 kW at an air gap of 300 mm. They achieved 80% efficiency for the overall charging system but did not consider the misalignment.…”

Section: Introductionmentioning

confidence: 99%

Coil Design for High Misalignment Tolerant Inductive Power Transfer System for EV Charging

et al. 2016

View full text Add to dashboard Cite

Abstract:The inductive power transfer (IPT) system for electric vehicle (EV) charging has acquired more research interest in its different facets. However, the misalignment tolerance between the charging coil (installed in the ground) and pick-up coil (mounted on the car chassis), has been a challenge and fundamental interest in the future market of EVs. This paper proposes a new coil design QDQ (Quad D Quadrature) that maintains the high coupling coefficient and efficient power transfer during reasonable misalignment. The QDQ design makes the use of four adjacent circular coils and one square coil, for both charging and pick-up side, to capture the maximum flux at any position. The coil design has been modeled in JMAG software for calculation of inductive parameters using the finite element method (FEM), and its hardware has been tested experimentally at various misaligned positions. The QDQ coils are shown to be capable of achieving good coupling coefficient and high efficiency of the system until the misalignment displacement reaches 50% of the employed coil size.

show abstract

“…Mecke et al in [18] used circular coils to transfer 1 kW at an air gap of 300 mm. They achieved 80% efficiency for the overall charging system but did not consider the misalignment.…”

Section: Introductionmentioning

confidence: 99%

Coil Design for High Misalignment Tolerant Inductive Power Transfer System for EV Charging

et al. 2016

View full text Add to dashboard Cite

show abstract

“…The circuit diagram used to describe the steady-state condition of the sine wave voltage supply [4,21] is shown in Fig. 7.…”

Section: Model Of Contactless Power Supplymentioning

confidence: 99%

Energy Properties of a Contactless Power Supply in PRT (Personal Rapid Transit) Laboratory Model

Nikoniuk¹,

Kozłowski²

2018

Eksploatacja i Niezawodność – Maintenance and Reliability

View full text Add to dashboard Cite

Article citation info: (*) Tekst artykułu w polskiej wersji językowej dostępny w elektronicznym wydaniu kwartalnika na stronie www.ein.org.pl the framework of the ECO Mobility project. This project has not yet been implemented for transport applications but has nevertheless been tested on a test track for scale vehicles. A fragment of track in scale was recently presented at the Hannover Fair at the SciTech Poland "scientific" Polish stand [7,28].The already mentioned power supply is a contactless, dynamic power system, which means that it can deliver energy to the vehicle in motion as opposed to stationary systems where energy is delivered only when the vehicle is stationary. The drive motor is a linear induction motor. This system solution illustrates one of the many possibilities that can be applied to the driving and powering of this type of vehicle. The power supply can also be made as a contact one with power points at parking places. Propulsion motors can be made as brushless, induction and wheeled or as central units. On the other hand, the contactless power supply has the advantage of being a safe system [23,30]. The supply energy is transmitted inductively from the primary winding distributed along the track -similarly to the third rail in the metro. The fundamental difference between the contact supply by means of the third rail and the contactless induction is that the contact rail "power" is isolated and thus safe.

show abstract

“…An air gap of a few hundred millimeters is considered necessary for EV application [57] and the value of k in the EV charging ICPT systems has been observed to be between 0.3 and 0.6 [31].…”

Section: Charging Distancementioning

confidence: 99%

“…17, was considered and used in the EV charging applications for long spans of time [31,61]. Mecke and Rathge [57] used circular coils of 400 mm diameter to transfer 1 kW power with an air gap of 300 mm. They achieved an overall power transfer system efficiency of more than 80% but misalignment was not focused upon.…”

Section: Charging Distancementioning

confidence: 99%

Inductively coupled power transfer (ICPT) for electric vehicle charging – A review

Kalwar

Aamir

Mekhilef

2015

Renewable and Sustainable Energy Reviews

166

View full text Add to dashboard Cite

a b s t r a c tThe deficiency in the availability of petroleum products has given rise to the incorporation of electric vehicles (EVs) globally as a substitute for the conventional transportation system. Significant research has been pursued over last two decades in the development of efficient EV charging methods. A preliminary review of few methods developed for wireless charging revealed that ICPT is a promising and convenient method for the wireless charging of EVs. This paper includes the equivalent circuit analysis and characteristics of the ICPT system and focuses on the research progress in respect of the designs for the charging coil, leakage inductance compensation topologies, power level enhancement and misalignment toleration. The improvement in these factors has been essential for the implementation of EV charging. A brief discussion over design process and control of ICPT system has been added. Conclusions have been made on the basis of the information extracted from the literature and some future recommendations are provided.

show abstract

High frequency resonant inverter for contactless energy transmission over large air gap

Cited by 72 publications

References 1 publication

Coil Design for High Misalignment Tolerant Inductive Power Transfer System for EV Charging

Coil Design for High Misalignment Tolerant Inductive Power Transfer System for EV Charging

Energy Properties of a Contactless Power Supply in PRT (Personal Rapid Transit) Laboratory Model

Inductively coupled power transfer (ICPT) for electric vehicle charging – A review

Contact Info

Product

Resources

About