Design and Implementation of the Planar Contactless Battery Charging System with Primary Side Current Feedback Control
碩士 === 國立彰化師範大學 === 電機工程學系 === 98 === Contactless power transmission (CPT) has been widely applied in recent year. One common methodology of contactless power transmission control is to add the converter in primary or secondary side of contactless transformer and capitalize the load voltage and curr...
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ndltd-TW-098NCUE54420252015-11-04T04:01:42Z http://ndltd.ncl.edu.tw/handle/91381960284316915623 Design and Implementation of the Planar Contactless Battery Charging System with Primary Side Current Feedback Control 具初級側電流回授控制之平板型非接觸式充電系統研製 Tsung-Shih Chien 簡宗石 碩士 國立彰化師範大學 電機工程學系 98 Contactless power transmission (CPT) has been widely applied in recent year. One common methodology of contactless power transmission control is to add the converter in primary or secondary side of contactless transformer and capitalize the load voltage and current feedback signal to control the converter power switches to adjust the output power with PWM. Nonetheless, this method is less suitable for the occasion where feedback circuit cannot be placed in the secondary side, such as human body, small electronic products, batteries and other equipment. Hence, this study presents a contactless power transmission system with the characteristics of constant current output, in which the output current of secondary side can be controlled by the feedback circuit of primary side to reach the purpose of supplying the load by constant current. The PIC30F6010 is selected as core controller in the system and structured by half bridge inverter with compensation circuit of primary and secondary series compensation. The Pspice circuit simulation software is used for analyzing and verifying the feasibility of circuit. The experimental result shows when resistance is from 20 Ω~30 Ω, the ouput current has better range of linear control. With the proposed method of feedback control in primary side, the result shows 75.9 % of overall efficiency while the air gap is 5mm, the output power is 15.5 W. Tsair-Rong Chen 陳財榮 2010 學位論文 ; thesis 96 zh-TW |
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碩士 === 國立彰化師範大學 === 電機工程學系 === 98 === Contactless power transmission (CPT) has been widely applied in recent year. One common methodology of contactless power transmission control is to add the converter in primary or secondary side of contactless transformer and capitalize the load voltage and current feedback signal to control the converter power switches to adjust the output power with PWM. Nonetheless, this method is less suitable for the occasion where feedback circuit cannot be placed in the secondary side, such as human body, small electronic products, batteries and other equipment.
Hence, this study presents a contactless power transmission system with the characteristics of constant current output, in which the output current of secondary side can be controlled by the feedback circuit of primary side to reach the purpose of supplying the load by constant current. The PIC30F6010 is selected as core controller in the system and structured by half bridge inverter with compensation circuit of primary and secondary series compensation. The Pspice circuit simulation software is used for analyzing and verifying the feasibility of circuit. The experimental result shows when resistance is from 20 Ω~30 Ω, the ouput current has better range of linear control. With the proposed method of feedback control in primary side, the result shows 75.9 % of overall efficiency while the air gap is 5mm, the output power is 15.5 W.
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author2 |
Tsair-Rong Chen |
author_facet |
Tsair-Rong Chen Tsung-Shih Chien 簡宗石 |
author |
Tsung-Shih Chien 簡宗石 |
spellingShingle |
Tsung-Shih Chien 簡宗石 Design and Implementation of the Planar Contactless Battery Charging System with Primary Side Current Feedback Control |
author_sort |
Tsung-Shih Chien |
title |
Design and Implementation of the Planar Contactless Battery Charging System with Primary Side Current Feedback Control |
title_short |
Design and Implementation of the Planar Contactless Battery Charging System with Primary Side Current Feedback Control |
title_full |
Design and Implementation of the Planar Contactless Battery Charging System with Primary Side Current Feedback Control |
title_fullStr |
Design and Implementation of the Planar Contactless Battery Charging System with Primary Side Current Feedback Control |
title_full_unstemmed |
Design and Implementation of the Planar Contactless Battery Charging System with Primary Side Current Feedback Control |
title_sort |
design and implementation of the planar contactless battery charging system with primary side current feedback control |
publishDate |
2010 |
url |
http://ndltd.ncl.edu.tw/handle/91381960284316915623 |
work_keys_str_mv |
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