Stray Capacitance of a Magneto Cumulative Generator Including $N$-Turn, Single-Layer, Solid, and Round Conductor With Insulating Coating

Mosleh, Majid; Besmi, Mohammad Reza

doi:10.1109/tps.2011.2163167

Cited by 5 publications

(4 citation statements)

References 11 publications

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“…Therefore, in this research, the coil design has been carried out considering the internal resistance as shown in (b). In fact, however, it is necessary to consider the capacitance, which is a parasitic capacitance, along with the inductance and impedance as shown in (c) [37][38][39]. The impedance between terminals in Fig.…”

Section: Discussionmentioning

confidence: 99%

An Efficiency Optimization Method of Static Wireless Power Transfer Coreless Coils for Electric Vehicles in the 85 kHz Band Using Numerical Analysis

Yamada

Imura

2022

IEEJ Transactions Elec Engng

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Wireless power transfer (WPT) has been attracting a lot of attention in recent years for its ability to greatly improve the convenience of our lives. Moreover, WPT for Electric Vehicles (EVs) has become an important key to the spread of EVs. The efficiency of WPT using magnetic field resonant coupling can be evaluated by the kQ product, but the optimal coil design method to maximize the kQ product at a specific frequency has not yet been established. In this paper, taking the Test station GA‐WPT1 and the Test station VA‐WPT1/Z3 of SAE J2954, which is officially defined as the standard for WPT while the electric vehicle is stationary in October 2020, as examples, the coil parameters that maximize the kQ product in the case of the coreless are determined according to the proposed method. An efficiency of 99.13% was obtained with a transmission distance of 200 mm and the number of turns of N1 = 34 and N2 = 30. Also, since all analyses can be derived immediately except for the analysis of the Litz wire to be used, the optimization time could be reduced significantly compared with the electromagnetic field analysis. © 2022 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.

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Section: Discussionmentioning

confidence: 99%

An Efficiency Optimization Method of Static Wireless Power Transfer Coreless Coils for Electric Vehicles in the 85 kHz Band Using Numerical Analysis

Yamada

Imura

2022

IEEJ Transactions Elec Engng

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“…Energies 2020, 13, x FOR PEER REVIEW 2 of 20 [19][20][21]. The measurement methods are black-box techniques, which can help to obtain the equivalent stray capacitance of the suspension electromagnet but have no help to optimize the stray capacitance due to vague physical meaning.…”

Section: Static Capacitance Modelingmentioning

confidence: 99%

“…At present, the methods of extracting the stray capacitance mentioned in the literature are the measurement method [6,15,16], the finite element method (FEM) [17,18], and the analytic 2 of 21 method [19][20][21]. The measurement methods are black-box techniques, which can help to obtain the equivalent stray capacitance of the suspension electromagnet but have no help to optimize the stray capacitance due to vague physical meaning.…”

Section: Introductionmentioning

confidence: 99%

“…L. F. F. Gutierres et al derived an analytic method for calculating stray capacitances of an air-core inductor [19], which is not suitable for the calculation of stray capacitance of the suspension electromagnet due to the existence of an iron core. Majid Ezati Mosleh et al proposed an analytic method to calculate a slide-conductive rotor magneto cumulative generator's stray capacitance [20], which neglects the effects of the core potential on the electric field energy storage. Zhan Shen et al [21] systematically took the influence of the iron core potential on the electric field energy into account for the first time, furthermore given several approximate methods to estimate the iron core floating potential.…”

Section: Introductionmentioning

confidence: 99%

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A Novel Analytic Method to Calculate the Equivalent Stray Capacitance of the Low-Speed Maglev Train’s Suspension Electromagnet

et al. 2020

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The suspension electromagnet (SEM) is one of the most critical components of the low-speed maglev train to achieve the stable suspension and non-contact operation with the track. Therefore, it is valuable for optimizing the maglev system to study the characteristics of the SEM. This paper proposes a novel analytic method to calculate the equivalent stray capacitance of the SEM efficiently. It considers the capacitances inside the winding (turn to turn and layer to layer) and between the winding and core. Firstly, utilizing the compensation analytic method (CAM) calculates the static capacitances to reduce the calculation error, and the results of the CAM have significant improvement comparing with that of the traditional analytic method (TAM). Secondly, the analytical formula of the core floating potential is derived based on the partial capacitance theory, which has a 2.1% relative error to the finite element method (FEM). Finally, the experiment results of the SEM of a test rig prove the accuracy and efficiency of the proposed method.

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Modelling of high frequency effects of laminated iron-core power inductors and reduction of parasitic capacitance

Zhu

Yuan

Mellor

2017

IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society

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Stray Capacitance of a Magneto Cumulative Generator Including $N$-Turn, Single-Layer, Solid, and Round Conductor With Insulating Coating

Cited by 5 publications

References 11 publications

An Efficiency Optimization Method of Static Wireless Power Transfer Coreless Coils for Electric Vehicles in the 85 kHz Band Using Numerical Analysis

An Efficiency Optimization Method of Static Wireless Power Transfer Coreless Coils for Electric Vehicles in the 85 kHz Band Using Numerical Analysis

A Novel Analytic Method to Calculate the Equivalent Stray Capacitance of the Low-Speed Maglev Train’s Suspension Electromagnet

Modelling of high frequency effects of laminated iron-core power inductors and reduction of parasitic capacitance

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