Three-Phase Resonant Capacitive Power Transfer for Rotary Applications

Rouse, Chris D.; Cove, Samuel R.; Salami, Younes; Arsenault, Paul; Bartlett, Andrew

doi:10.1109/jestpe.2020.3009316

Cited by 16 publications

(23 citation statements)

References 41 publications

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“…Contactless CPT is achieved between stationary and rotating parts by utilizing the capacitance of the linear bearings [32,269]. A threephase structure is applied to rotary applications using e-GaN FETs [270]. The three-leg inverter with a four-wire model is proposed to enhance the system misalignment ability [271].…”

Section: ) Three-phasementioning

confidence: 99%

“…To improve the system efficiency and robustness, an auto-tuning circuit using PI control method [273], the output feedback control method [180], and a cascaded boost-class E converter structure [274] are suggested for rotary applications. A three-phase CPT system is suggested for rotary applications to provide balanced and good coupling between the electrodes during rotations [270]. In summary, CPT technology provides 360 degrees free rotation in this application concept eliminating power cables.…”

Section: ) Rotarymentioning

confidence: 99%

“…• Increased power transfer capacity [32,269,271] • High efficiency [269,271] • Reduced voltage stress [269] • High tolerance to parameter variations [270] • High frequency ability [270] • High tolerance to misalignments [271] • More influence of parasitic components [32,270] • Control complexity [269] • High occupied space [271]…”

Section: • Increased Power Transfer Capacity [42]mentioning

confidence: 99%

“…• Increased power transfer capacity [114,207] • Reduced voltage stress [114] • Increased transfer distance [114] • High tolerance to parameter variations [180,270,274] • Increased coupling capacitance [272,310] • High efficiency [273] • More influence of parasitic components [114,270,272,310] • Control complexity [180,273] • Increased power loss [207] • Requires extra circuitry [274] Biomedical -…”

Section: Rotarymentioning

confidence: 99%

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A Comprehensive Review on Wireless Capacitive Power Transfer Technology: Fundamentals and Applications

et al. 2022

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Capacitive power transfer (CPT) technology is becoming increasingly popular in various application areas. Due to its limitations, such as low frequency, low coupling capacitance, and the high voltage stress on metal plates, the studies on high power CPT applications fell behind previously. Therefore, the wideband gap (WBG) semiconductor devices and the compensation topologies are further adopted to tackle these limitations. The main purpose of the paper is to review CPT applications in terms of performance parameters, advantages, disadvantages and also challenges. Initially, the basic principles of CPT technology are examined, which cover compensation topologies, coupler structures, transfer distance, power electronic components, and system control methods. Then, CPT applications are evaluated for performance parameters (i.e., power level, operation frequency, system efficiency, transfer distance) along with compensation types, inverter types, and coupler types. The applications are categorized into six main groups according to industrial topics as safety, consumer electronics, transport, electric machines, biomedical, and miscellaneous. Herein, power level changes from µW to kW ranges, the operation frequency varies from 100s of kHz to 10s of MHz ranges as well. The maximum system efficiency is recorded as 97.1 %. The transfer distance varies from µm range to 100s of mm ranges. The full-bridge inverter topology and four-plate coupler structure are noticeable in CPT applications. Finally, advantages, disadvantages, and challenges of CPT applications are evaluated in detail. This review is expected to serve as a reference for researchers who study on CPT systems and their applications.INDEX TERMS Capacitive power transfer, capacitive coupling, wireless power transfer.MEHMET ZAHID EREL was born in Sakarya, Turkey. He received the B.S. degree in electrical engineering from the Yildiz Technical University, Istanbul, Turkey, in 2013, and the M.S. degree in electronics and communication engineering from the Ankara Yildirim Beyazit University, Ankara, Turkey, in 2016. He is currently pursuing the Ph.D. degree with the department of electrical and electronics engineering,

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Section: ) Three-phasementioning

confidence: 99%

Section: ) Rotarymentioning

confidence: 99%

Section: • Increased Power Transfer Capacity [42]mentioning

confidence: 99%

Section: Rotarymentioning

confidence: 99%

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A Comprehensive Review on Wireless Capacitive Power Transfer Technology: Fundamentals and Applications

et al. 2022

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“…The cylindrical or concentric coupling structure constructs a rotating capacitor which can be built in several ways, such as a concentric hoop, parallel discs or cylindrical coupling structure, as shown in Figure 11 [65][66][67][68].…”

Section: Concentric Structurementioning

confidence: 99%

A Review of the Current State of Technology of Capacitive Wireless Power Transfer

2021

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Wireless power transfer allows the transfer of energy from a transmitter to a receiver without electrical connections. Compared to galvanic charging, it displays several advantages, including improved user experience, higher durability and better mobility. As a result, both consumer and industrial markets for wireless charging are growing rapidly. The main market share of wireless power is based on the principle of inductive power transfer, a technology based on coupled coils that transfer energy via varying magnetic fields. However, inductive charging has some disadvantages, such as high cost, heat dissipation, and bulky inductors. A promising alternative is capacitive wireless power transfer that utilizes a varying electric field as medium to transfer energy. Its wireless link consists of conductive plates. The purpose of this paper is to review the state of the art, link the theoretical concepts to practical cases and to indicate where further research is required to take next steps towards a marketable product. First, we describe the capacitive link via a coupling model. Next, we highlight the recent progress in plate topologies. Additionally, the most common compensation networks, necessary for achieving efficient power transfer, are reviewed. Finally, we discuss power electronic converter types to generate the electric field.

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Design of Axial DD Magnetic Coupling Structure Based on Rotary Steerable Drilling

Ji,

Ge,

Zhang

et al. 2024

Lecture Notes in Electrical Engineering

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Three-Phase Resonant Capacitive Power Transfer for Rotary Applications

Cited by 16 publications

References 41 publications

A Comprehensive Review on Wireless Capacitive Power Transfer Technology: Fundamentals and Applications

A Comprehensive Review on Wireless Capacitive Power Transfer Technology: Fundamentals and Applications

A Review of the Current State of Technology of Capacitive Wireless Power Transfer

Design of Axial DD Magnetic Coupling Structure Based on Rotary Steerable Drilling

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