2021
DOI: 10.3390/electronics10222875
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Abstract: Adding a core to a coupling coil can improve transmission efficiency. However, the added core causes the self-inductance of the coupling coil to increase at a high temperature due to the temperature-sensitive property of the core material’s permeability. The self-inductance increases, causing the resonance frequency to shift down, thereby decreasing the output power. The 3 dB bandwidth of the system can learn of the correspondence between the output power and the resonance frequency. In order to make sure that… Show more

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“…[17][18][19][20] Therefore, most of the existing research has been conducted to reduce the distribution of magnetic lines of force in the spatial medium by improving the structural layout of the core, so that as many magnetic lines of force as possible flow with the core to form a closed loop, which is used to attenuate the intensity of electromagnetic radiation in the air [21][22][23][24][25] and to increase the energy transfer power and efficiency. [26] In this regard, there are some classical core-coupled structures such as E-type, [27][28][29][30][31][32] U-type [33][34][35] and l-type. [36] Further, Yue et al [37] proposed a concave-convex magnetic coupling mechanism and Luo et al proposed a multiobjective optimization method of a primary double-D pad for inductive power transfer systems.…”
Section: Introductionmentioning
confidence: 99%
“…[17][18][19][20] Therefore, most of the existing research has been conducted to reduce the distribution of magnetic lines of force in the spatial medium by improving the structural layout of the core, so that as many magnetic lines of force as possible flow with the core to form a closed loop, which is used to attenuate the intensity of electromagnetic radiation in the air [21][22][23][24][25] and to increase the energy transfer power and efficiency. [26] In this regard, there are some classical core-coupled structures such as E-type, [27][28][29][30][31][32] U-type [33][34][35] and l-type. [36] Further, Yue et al [37] proposed a concave-convex magnetic coupling mechanism and Luo et al proposed a multiobjective optimization method of a primary double-D pad for inductive power transfer systems.…”
Section: Introductionmentioning
confidence: 99%