Time-Domain Analysis of Voltage-Driven Series–Series Compensated Inductive Power Transfer Topology

Safaee, Alireza; Woronowicz, Konrad

doi:10.1109/tpel.2016.2633940

Cited by 53 publications

(20 citation statements)

References 39 publications

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“…Currently, most references analyse the WPT system based on FHA. Safaee and Woronowicz [17] divided the SS compensation into four modes of operation and assessed the accuracy of FHA, but the efficiency has not been evaluated and the output characteristics need investigations. Deng et al [18] mentioned the distortion of the LCC-LCC compensation, but it is not severe due to a weak coupling.…”

Section: Introductionmentioning

confidence: 99%

Modelling and analysis of the distortion of strongly‐coupled wireless power transfer systems with SS and LCC–LCC compensations

Zhang

Kan

et al. 2019

IET Power Electronics

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Accurate modelling is necessary for designing a wireless power transfer (WPT) system and currently, first harmonic approximation (FHA) is widely used. However, it is not accurate for WPT systems with a strong coupling, such as fast charging of electric vehicles with a coupling coefficient of 0.80, compared to the conventional wireless charging with a coupling coefficient of 0.15-0.30. This study develops accurate models for WPT systems with series-series (SS) and LCC-LCC compensations. For the SS compensation with a strong coupling, the transmitter and receiver currents are distorted, leading to much larger values than the estimations from FHA, which determines the selection of power switches and resonant capacitors. For the LCC-LCC compensation, the transmission coil currents are only highly distorted with rich third-order harmonics at the vicinity of the 0.889 coupling coefficient, leading to low efficiency and large coil current ratings. For the experimental prototype, the efficiency drop can be over 3%, which is significant, especially for high-power systems. The WPT system with the LCC-LCC compensation should avoid operation in the vicinity of this particular coupling coefficient. Furthermore, experiments are conducted, and the results perfectly match the calculations, demonstrating the accuracy of the proposed models.IET Power Electron.

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Section: Introductionmentioning

confidence: 99%

Modelling and analysis of the distortion of strongly‐coupled wireless power transfer systems with SS and LCC–LCC compensations

Zhang

Kan

et al. 2019

IET Power Electronics

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“…This simplification is valid only when a current conducted through a rectifier is continuous and it has a sinusoidal shape. If above conditions are fulfilled the system could be analyzed with first harmonic approximation [22,23] and it may be represented by an equivalent circuit depicted in Fig. 4.…”

Section: Simulations and Mathematical Descriptionmentioning

confidence: 99%

Resonant frequency stabilization technique in series-series contactless energy transfer systems

Marcinek¹,

Hołub²,

Kalisiak³

et al. 2017

Archives of Electrical Engineering

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“…Secondly, there is capacitive power transfer (CPT), as displayed in Figure 1b. Some IPT systems have presented high power transmission efficiency (PTE) of larger than 90% for transmission distances of several centimeters; however, for longer distances, efficiency will drop significantly [48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63]. Nevertheless, authors have presented an innovative IPT system to transfer power a distance of 5 m using dipole coils [64].…”

Section: Introductionmentioning

confidence: 99%

Magnetically Coupled Resonance WPT: Review of Compensation Topologies, Resonator Structures with Misalignment, and EMI Diagnostics

2018

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Magnetically coupled resonance wireless power transfer systems (MCR WPT) have been developed in recent years. There are several key benefits of such systems, including dispensing with power cords, being able to charge multiple devices simultaneously, and having a wide power range. Hence, WPT systems have been used to supply the power for many applications, such as electric vehicles (EVs), implantable medical devices (IMDs), consumer electronics, etc. The literature has reported numerous topologies, many structures with misalignment effects, and various standards related to WPT systems; they are usually confusing and difficult to follow. To provide a clearer picture, this paper aims to provide comprehensive classifications for the recent contributions to the current state of MCR WPT. This paper sets a benchmark in order to provide a deep comparison between different WPT systems according to different criteria: (1) compensation topologies; (2) resonator structures with misalignment effects; and, (3) electromagnetic field (EMF) diagnostics and electromagnetic field interference (EMI), including the WPT-related standards and EMI and EMF reduction methods. Finally, WPT systems are arranged according to the application type. In addition, a WPT case study is proposed, an algorithm design is given, and experiments are conducted to validate the results obtained by simulations.

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Time-Domain Analysis of Voltage-Driven Series–Series Compensated Inductive Power Transfer Topology

Cited by 53 publications

References 39 publications

Modelling and analysis of the distortion of strongly‐coupled wireless power transfer systems with SS and LCC–LCC compensations

Modelling and analysis of the distortion of strongly‐coupled wireless power transfer systems with SS and LCC–LCC compensations

Resonant frequency stabilization technique in series-series contactless energy transfer systems

Magnetically Coupled Resonance WPT: Review of Compensation Topologies, Resonator Structures with Misalignment, and EMI Diagnostics

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