Control of an Inductive Power Transfer System Using a Double Coil Structure

This paper presents the design of the control of the system using a double DD coil structure. The double DD coil is a layered coil structure that consists of two single DD coils, rotated to each other by 90°. A large-signal and small-signal model of the proposed IPT system are designed for control s...

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Main Authors: Nataša Prosen, Mitja Truntič, Jure Domajnko
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/11/14/2148
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author Nataša Prosen
Mitja Truntič
Jure Domajnko
author_facet Nataša Prosen
Mitja Truntič
Jure Domajnko
author_sort Nataša Prosen
collection DOAJ
description This paper presents the design of the control of the system using a double DD coil structure. The double DD coil is a layered coil structure that consists of two single DD coils, rotated to each other by 90°. A large-signal and small-signal model of the proposed IPT system are designed for control synthesis. The small-signal model is derived from the large-signal using harmonic approximation and the extended describing functions (EDF). For the small-signal model, voltage and current control schemes were proposed for the purpose of wireless battery charging. The robustness of the control is tested on a small-scale IPT system using double DD coils and resistive load. The results are evaluated at different reference voltages, currents, loads and coupling coefficients.
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spelling doaj.art-c39ab276894f4ecb9bfb5ba88008a2002023-12-03T14:56:56ZengMDPI AGElectronics2079-92922022-07-011114214810.3390/electronics11142148Control of an Inductive Power Transfer System Using a Double Coil StructureNataša Prosen0Mitja Truntič1Jure Domajnko2Faculty of Electrical Engineering and Computer Science, University of Maribor, 2000 Maribor, SloveniaFaculty of Electrical Engineering and Computer Science, University of Maribor, 2000 Maribor, SloveniaFaculty of Electrical Engineering and Computer Science, University of Maribor, 2000 Maribor, SloveniaThis paper presents the design of the control of the system using a double DD coil structure. The double DD coil is a layered coil structure that consists of two single DD coils, rotated to each other by 90°. A large-signal and small-signal model of the proposed IPT system are designed for control synthesis. The small-signal model is derived from the large-signal using harmonic approximation and the extended describing functions (EDF). For the small-signal model, voltage and current control schemes were proposed for the purpose of wireless battery charging. The robustness of the control is tested on a small-scale IPT system using double DD coils and resistive load. The results are evaluated at different reference voltages, currents, loads and coupling coefficients.https://www.mdpi.com/2079-9292/11/14/2148wireless power transferdouble DD coil structurevoltage controlIPT with multiple coils
spellingShingle Nataša Prosen
Mitja Truntič
Jure Domajnko
Control of an Inductive Power Transfer System Using a Double Coil Structure
Electronics
wireless power transfer
double DD coil structure
voltage control
IPT with multiple coils
title Control of an Inductive Power Transfer System Using a Double Coil Structure
title_full Control of an Inductive Power Transfer System Using a Double Coil Structure
title_fullStr Control of an Inductive Power Transfer System Using a Double Coil Structure
title_full_unstemmed Control of an Inductive Power Transfer System Using a Double Coil Structure
title_short Control of an Inductive Power Transfer System Using a Double Coil Structure
title_sort control of an inductive power transfer system using a double coil structure
topic wireless power transfer
double DD coil structure
voltage control
IPT with multiple coils
url https://www.mdpi.com/2079-9292/11/14/2148
work_keys_str_mv AT natasaprosen controlofaninductivepowertransfersystemusingadoublecoilstructure
AT mitjatruntic controlofaninductivepowertransfersystemusingadoublecoilstructure
AT juredomajnko controlofaninductivepowertransfersystemusingadoublecoilstructure