An optimal ZVS angle selection for constant current charging of EV's battery in series-series compensated wireless power transmission system

Jiang, Yongbin; Liu, Junwen; Hu, Xin; Wang, Laili; Wang, Yue; Ning, Gaidi

doi:10.1109/apec.2018.8341191

Cited by 5 publications

(2 citation statements)

References 11 publications

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“…Series-Series compensation is the most widely used topology in IPT system, which has load-independent current output characteristic and high reliability with coil misalignment [11,12,13,14]. A typical WPT system with S-S compensation, consisting of the DC source, the inverter, the primary compensation capacitor, the Tx and Rx coils, the secondary compensation capacitor, the rectifier and the load, is illustrated in Fig.…”

Section: Fig 1 Fundamental Operation With Two-coil Wpt Systemmentioning

confidence: 99%

Investigation and Design of Wireless Power Transfer System for Autonomous Underwater Vehicle

Dou

Zhao

Ouyang

et al. 2019

2019 IEEE Applied Power Electronics Conference and Exposition (APEC)

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With the development of wireless power transfer (WPT) technology, it is possible to transfer power to the batteries without plug-in cables and human interaction for autonomous underwater vehicles (AUVs), taking advantage of high safety, high reliability and unattended capability. However, when implementing the WPT system under the seawater environment, the electrical properties of seawater including the permittivity and the conductivity cause a significant changing in the parasitics of winding coils underwater. The seawater, which owns higher permittivity and conductivity compared to the air, not only causes extra parasitic capacitance to coils but also conducts extra eddy current loss, and thus reduces the system efficiency. In this paper, the characteristics of winding coils underwater are investigated and an optimized design methodology for underwater WPT system with series-series (SS) compensation is proposed. A 200-W underwater WPT prototype is built and experimentally verifies the analysis for the coils and the optimized design approach. The experimental demonstration also shows the system efficiency comparison between the air, the water, and the seawater environments.

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Section: Fig 1 Fundamental Operation With Two-coil Wpt Systemmentioning

confidence: 99%

Investigation and Design of Wireless Power Transfer System for Autonomous Underwater Vehicle

Dou

Zhao

Ouyang

et al. 2019

2019 IEEE Applied Power Electronics Conference and Exposition (APEC)

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“…The applications of constant current charging/discharging are many, e.g. smart energy management systems [16], [17], battery testing systems [18], micro-grids [19], electric vehicles [20]. The design and development of a controller using fieldprogrammable gate array (FPGA) is the major contribution of this work.…”

Section: Introductionmentioning

confidence: 99%

FPGA Based SoC Estimator and Constant Current Charging/Discharging Controller for Lead–Acid Battery

Dinesh

Teja

Singh

et al. 2018

2018 15th IEEE India Council International Conference (INDICON)

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The state of charge (SoC) and the rate of charging/discharging current are the vital parameters associated with a battery by which its accurate runtime can be estimated. This paper aims to design a controller which comprises of a fieldprogrammable gate array, back to back connected dc-dc converters, and a resistive touch display based graphical user interface (GUI). The controller estimates SoC and performs constant current charging or discharging of the battery. The implementation of GUI is to input the reference charging/discharging current from the user and to display the SoC. This research delves into battery and obtains its internal parameters by conducting hybrid pulse power characterization test. Furthermore, the obtained internal parameters are processed through an extended Kalman filter which yields the SoC. This controller has large applications in the renewable energy system, battery testing system, smart residential energy management systems, and micro-grids.

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Power Stability Enhancement in Inductive Wireless Power Transfer Systems: A Review

Zheng,

Feng,

Wang

et al. 2024

IEEE Access

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An optimal ZVS angle selection for constant current charging of EV's battery in series-series compensated wireless power transmission system

Cited by 5 publications

References 11 publications

Investigation and Design of Wireless Power Transfer System for Autonomous Underwater Vehicle

Investigation and Design of Wireless Power Transfer System for Autonomous Underwater Vehicle

FPGA Based SoC Estimator and Constant Current Charging/Discharging Controller for Lead–Acid Battery

Power Stability Enhancement in Inductive Wireless Power Transfer Systems: A Review

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