Inductive power transfer (IPT) and capacitive (CPT) are mainly two effective ways to achieve wireless (WPT). IPT system needs capacitor compensate the system, while CPT requires inductor tune system. Therefore, coupler can be used vice versa. In this article, an inductive hybrid (HWPT) is proposed improve antimisalignment ability. The couplers of employed together each other together. Superposition theory analyze working principle in detail. With analysis results, a scaled-down built...

It is well known that a high voltage across the coupling plates of capacitive power transfer (CPT) system beneficial to increase its capability, but may lead insulation requirements and cause safety concerns. This article proposes compensation design method for achieving maximum CPT systems under constraints. Based on simplified model thorough characteristics analysis, family topologies are derived maintain 90° phase shift between input output voltages coupler against load variations, so...

Conventionally, the magnetic core in an inductive power transfer (IPT) system is spliced by pieces of ferrites, which time-consuming and unable to realize a seamless fit on curved surface. This letter proposes compact coupler with novel flexible nanocrystalline flake ribbon (NFR) core. Compared ferrite core, NFR not only enhances application flexibility IPT but also significantly reduces its weight certain power. Based <italic xmlns:mml="http://www.w3.org/1998/Math/MathML"...

A double-sided capacitor–inductor (CL) compensation topology is proposed for high-power capacitive power transfer (CPT) charging systems with a component voltage stress optimisation to alleviate the on passive components and coupling interfaces. First, detailed analysis of characteristic carried out based fundamental harmonics approximation method yield functions against system's parameters. Then, presented. Third, system can be reallocated effectively according desired requirement by...

This study proposed a hybrid inductive and capacitive wireless power transfer system to achieve high-power by combining (IPT) (CPT). A traditional IPT imposes high voltage on the transmitter because of resonance. Meanwhile, voltages are required establish an electric field deliver CPT system. Therefore, they can be combined utilising two paths. general model coupler is analysed in detail. With series–series compensation topology, 1.1 kW with equal transferred paths simulated set up evaluate...

To improve the coupler misalignment performance, this study proposes an LC–CLC compensation topology for high‐power and long‐distance capacitive power transfer system. The LC circuit in transmitter CLC receiver are adopted as resonant tank coupler. fundamental harmonics approximation method is employed to analyse system working principle. Considering of coupler, characteristic output provided against variation capacitance. A 1 kW CPT with 150 mm distance set up validate proposed under...

A Wireless Power Transfer (WPT) system, known for its contactless power delivery, is extensively used supply in spacecraft applications. Achieving efficient and stable transfer necessitates the integration of DC/DC converters on both primary secondary sides WPT systems conversion control. Traditional efficiency optimization methods primarily focus impedance matching within wireless resonance network, often neglecting overall multi-stage DC-DC systems. This oversight results suboptimal system...

A general mutual coupling model of multiple input and/or output (MIMO) capacitive interface with an arbitrary number ports is proposed. In the proposed in this letter, all capacitances between metal plates are taken into account. The self-capacitance each port and two defined, a simple equivalent circuit composed self current-controlled voltage sources obtained. helps to reduce complexity MIMO can be used simplify analysis power transfer performance systems. An example setup built tested....

A novel substrate-assisted (SA) RESURF technology aiming at improving off-state breakdown voltage (BV) of PN junction with small curvature radius is proposed and experimentally demonstrated in this paper. The SA not only realizes the fingertip region, but also reduces electric field concentration curved metallurgical junction. Low-doped P-substrate, which increases depletion junction, adopted source region. Owing to existence low-doped abrupt adjusted large radius. can be widely applied...

This paper proposed a component voltage stress optimization method for high-power capacitive power transfer (CPT) charging system. A double CLC compensation topology is utilized at both primary and Secondary sides distribute the in CPT Detail analysis of characteristic done based on fundamental harmonic approximation method. not only can realize effective transfer, but also achieves unity factor high-frequency source. The are presented detail, system be distributed according to desired...

This article proposes a capacitive power transfer (CPT) system with multiple constant voltage (CV) pickups against variation of load resistance and the moving in out. First, new equivalent circuit coupler is proposed by using inverse hybrid parameters. Based on this model, an <i>LCLC</i>-compensated network analyzed designed to achieve CV transmitting plates different number pickups. Also, simple series-compensated adopted at secondary side reduce complexity obtain output when changes. To...

In order to supply power wirelessly reefer containers without constructing an extra tower, this article proposed a novel multiload capacitive transfer (CPT) system with SP-CL isolation compensation topology. Unlike the traditional CPT system, where receivers function solely as consumers, in each receiver not only supplies connected load but transfers next receivers. The coupler model cross-coupling of metal is established for container application. Then, topology analysis based on single...

This paper proposed a three-phase capacitive power transfer system to increase the performance of which is achieved by increasing channels. The property analyzed fundamental harmonic approximation method. In order analyze misalignments situation coupling plates, both sending and receiving sides CPT utilizes four-wire system. A prototype designed constructed with improved method achieves an efficiency 87.46% at maximum 2.1 kW output power.

IPT system needs capacitor to compensate the system, while CPT requires inductor tune system. Therefore, a hybrid is one of possible solutions coupler with ones and vice versa. In this paper, an Inductive capacitive wireless power transfer (HWPT) proposed improve anti-misalignment ability. The couplers are employed together each other together. Superposition theory used analyze working principle in detail. With analysis results, scaled-down built validate performance approach. Experimental...

This study develops a novel equaliser by combining wireless power transmission (WPT) and switch array for series‐connected batteries. The physical isolation achieved WPT can offer unique benefits that traditional equalisers hardly provide. Parameters of the system are properly designed to achieve an equivalent constant‐current output, which maximise speed balance ensure health methodology each battery is connected independently inverter through circuit. Therefore, balancing either single or...

Capacitive Power Transfer system uses an electric field to achieve wireless power transfer. Therefore, increasing coupler voltage is a good method increase transfer power. However, the high provided by compensation topology may lead higher requirement for CPT which increases cost and breakdown risk components. In this paper, novel LC-CLC compensated circuit proposed high-power applications with maximum can be achieved specified voltages. The working property analyzed, calculated process...

This paper analyzed the four series-parallel (SP) compensation topologies to achieve constant current (CC) and voltage (CV) output characteristics zero phase angle (ZPA) input conditions with fewer components in capacitive power transfer (CPT) system. There are three main contributions. Firstly, universal methodology of SP was constructed CC, CV output, ZPA conditions. Secondly, specific were investigated summarized, including double-sided LC, CL, CL−LC, LC−CL topologies. Their input–output...

In a capacitive power transfer (CPT) system, the coupling capacitance formed between plates is very small only in pF or nF range, which leads to high voltage stress among during energy transmission, increases risk of an electrical breakdown coupled plates. To solve this problem, novel dual-frequency CPT system proposed paper, uses “peak clipping” effect caused by superposition fundamental wave and third harmonic reduce Through detailed analysis working principle it shown that can indeed...

Summary This paper proposes a multi‐loads capacitive power transfer (CPT) system based on single relay plate for railway monitoring systems. The proposed can supply wirelessly to the trackside and train carriages simultaneously eliminate traditional cables connection prevent frequent battery replacement. Unlike multiple loads CPT systems, uses only one plate, which is more stable uncomplicated considering coupler installation space moving dynamically in system. adopts CL‐LCLC‐CL compensation...

This paper reports a novel Super Junction pLDMOS (SJ-pLDMOS) with charge-balanced SJ region at the surface of Variation Lateral Doping (VLD) drift region. provides low on-resistance path in ON-state and keeps charge balance approximately when doping concentration p pillars is slightly higher than that n during OFF-state. A significant reduction specific for given Breakdown Voltage (BV) can be achieved by using high aspect ratio pillars. Simulation results show SJ-pLDMOS L <sub...

To resonate with the capacitive power transfer (CPT) system, inductors are usually needed, while additional capacitors required for inductive (IPT) system. take advantage of inductance IPT this study proposes a misalignment tolerance wireless system that employs coupler to compensate part CPT's capacitance railway applications. In proposed two paths formed by and CPT couplers. Additionally, merits good anti‐misalignment ability carefully designing parameters well‐alignment case, only is...

A novel deep trench SOI LIGBT with enhanced safe operating area has been proposed. Deep gate electrode, reaching buried oxide layer, directly introduced for achieving low on-resistance. Heavily doped p <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">+</sup> region at the emitter side, which sandwiches between n-drift and n region, is provided as holes bypassing path ensuring forward biased area. Some of will flow from to without flowing through...