| Description |
1 online resource (230 pages) |
| Contents |
2.1.1 Underlying Physical Principles of Inductive Coupling: Self-Inductance (L), Mutual Inductance (M), and Coupling Coefficient (k) -- 2.1.2 Equivalent Circuit Model -- 2.1.3 Calculation of Link Efficiency, nLink -- 2.1.4 Calculation of Power Delivered to the Rx-circuit, PMN -- 2.1.5 Effects of Coils' Quality Factor (Q) and Coupling Coefficient (k) on the Link -- 2.1.6 Effect of Tx and Rx Resonance on the Link -- 2.1.7 Frequency Splitting Effect -- 2.1.7.1 Analysis of Frequency Splitting Effect Based on T-Type Transformer Model |
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Intro -- Preface -- Contents -- Acronyms -- 1 Introduction to Wireless Power Transfer -- 1.1 Why Wireless? -- 1.2 Wireless Links Classifications -- 1.3 Inductive Wireless Power Transfer -- 1.3.1 Transmitter DC-DC Converter -- 1.3.2 Inverter -- 1.3.3 Tx Matching Network -- 1.3.4 Inductive Link -- 1.3.5 Rx Matching Network -- 1.3.6 Rectifier -- 1.3.7 Receiver DC-DC Converter -- References -- 2 Inductive Link: Basic Theoretical Model -- 2.1 Reflected Load Theory in a 2-Coil Link |
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A.4 PMN Calculation for a Current Source and Parallel Tx Resonance -- References -- 3 Inductive Link: Practical Aspects -- 3.1 Coil Design -- 3.1.1 Square-Shaped Printed Spiral Coil -- 3.1.1.1 Self-Inductance, L -- 3.1.1.2 Equivalent Series Resistance(ESR) -- 3.1.1.3 Parasitic Capacitance, C -- 3.1.1.4 Mutual Inductance, M -- 3.1.1.5 Square-Shaped Printed Spiral Coil Example -- 3.2 Influence of Foreign Object -- 3.2.1 Effects of Conductive Materials -- 3.2.2 Effect of Ferrites -- 3.3 Safety and Electromagnetic Compatibility Considerations -- 3.3.1 Electromagnetic Compatibility(EMC) |
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3.3.2 Safety -- References -- 4 Back Telemetry -- 4.1 The Need for and Role of Back Telemetry in WPT Links -- 4.2 Design of Power Transfer Links that Need to Support Back Telemetry -- 4.3 Examples of Implementation -- 4.3.1 Load Shift Keying(LSK) -- 4.3.1.1 Example of Use in AIMDs -- 4.3.2 Frequency Shift Keying(FSK) -- 4.3.2.1 Example of Using FSK in Low-Frequency RFID -- References -- 5 Achieving the Optimum Operating Point(OOP) -- 5.1 Introduction -- 5.2 Maximum Efficiency Point(MEP) in 2-Coil Links -- 5.3 Maximum Power Point(MPP) in 2-Coil Links |
| Summary |
This book presents a system-level analysis of inductive wireless power transfer (WPT) links. The basic requirements, design parameters, and utility of key building blocks used in inductive WPT links are presented, followed by detailed theoretical analysis, design, and optimization procedure, while considering practical aspects for various application domains. Readers are provided with fundamental, yet easy to follow guidelines to help them design high-efficiency inductive links, based on a set of application-specific target specifications. The authors discuss a wide variety of recently proposed approaches to achieve the maximum efficiency point, such as the use of additional resonant coils, matching networks, modulation of the load quality factor (Q-modulation), and adjustable DC-DC converters. Additionally, the attainability of the maximum efficiency point together with output voltage regulation is addressed in a closed-loop power control mechanism. Numerous examples, including MATLAB/Octave calculation scripts and LTspice simulation files, are presented throughout the book. This enables readers to check their own results and test variations, facilitating a thorough understanding of the concepts discussed. The book concludes with real examples demonstrating the practical application of topics discussed. Covers both introductory and advanced levels of theory and practice, providing readers with required knowledge and tools to carry on from simple to advanced wireless power transfer concepts and system designs; Provides theoretical foundation throughout the book to address different design aspects; Presents numerous examples throughout the book to complement the analysis and designs; Includes supplementary material (numerical and circuit simulation files) that provide a "hands-on" experience for the reader; Uses real examples to demonstrate the practical application of topics discussed |
| Notes |
5.3.1 MPP, Tx-circuit with a Voltage Source and a Series Resonant Capacitor |
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Online resource; title from PDF title page (SpringerLink, viewed July 27, 2021) |
| Subject |
Wireless power transmission.
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Electric inductors.
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Electric inductors
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Wireless power transmission
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| Form |
Electronic book
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| Author |
Silveira, Fernando, 1963-
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Ghovanloo, Maysam
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| ISBN |
9783030654771 |
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303065477X |
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