Stabilising the output voltage of wireless power pickup through parallel tuned DC-voltage controlled variable capacitor
A new method to regulate the output voltage of the secondary side of an inductive power transfer (IPT) system through a DC-voltage controlled variable capacitor (DCVC) is proposed. As the equivalent capacitance of the DCVC can be controlled by a DC voltage, when it is used as a parallel tuning capac...
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| Veröffentlicht in: | Electronics letters 2016-04, Vol.52 (9), p.758-759 |
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| creator | Tian, J Hu, A.P |
| description | A new method to regulate the output voltage of the secondary side of an inductive power transfer (IPT) system through a DC-voltage controlled variable capacitor (DCVC) is proposed. As the equivalent capacitance of the DCVC can be controlled by a DC voltage, when it is used as a parallel tuning capacitor at secondary side of an IPT system, the output voltage can be controlled by this DC voltage through the effect of tuning and detuning. Further, a simple proportional plus integral control (PI) controller can be employed to generate the controlling DC voltage conveniently to make the output voltage constant. As there is no active switch used in the DCVC, it has no switch driving problems such as a high up to 20 V voltage source which is of particular advantage for its application at the secondary side of an IPT system. The DCVC also has the potential to be used at much higher frequencies than traditional switch mode capacitors because of the smoothness of the adjustment of its equivalent capacitance through a DC voltage. |
| doi_str_mv | 10.1049/el.2016.0196 |
| format | Article |
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As the equivalent capacitance of the DCVC can be controlled by a DC voltage, when it is used as a parallel tuning capacitor at secondary side of an IPT system, the output voltage can be controlled by this DC voltage through the effect of tuning and detuning. Further, a simple proportional plus integral control (PI) controller can be employed to generate the controlling DC voltage conveniently to make the output voltage constant. As there is no active switch used in the DCVC, it has no switch driving problems such as a high up to 20 V voltage source which is of particular advantage for its application at the secondary side of an IPT system. The DCVC also has the potential to be used at much higher frequencies than traditional switch mode capacitors because of the smoothness of the adjustment of its equivalent capacitance through a DC voltage.</description><identifier>ISSN: 0013-5194</identifier><identifier>ISSN: 1350-911X</identifier><identifier>EISSN: 1350-911X</identifier><identifier>DOI: 10.1049/el.2016.0196</identifier><language>eng</language><publisher>The Institution of Engineering and Technology</publisher><subject>Capacitance ; Capacitors ; circuit tuning ; Control systems ; detuning ; Electric potential ; Equivalence ; equivalent capacitance ; inductive power transfer system ; inductive power transmission ; output voltage ; parallel tuned DC‐ voltage controlled variable capacitor ; PI control ; PI controller ; Power electronics, energy conversion and sustainability ; Switches ; Tuning ; Voltage ; wireless power pickup</subject><ispartof>Electronics letters, 2016-04, Vol.52 (9), p.758-759</ispartof><rights>The Institution of Engineering and Technology</rights><rights>2020 The Institution of Engineering and Technology</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4425-229a9aeefdec0281e1f798e61715154d2b6baba907864467d7166e707263dc583</citedby><cites>FETCH-LOGICAL-c4425-229a9aeefdec0281e1f798e61715154d2b6baba907864467d7166e707263dc583</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1049%2Fel.2016.0196$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fel.2016.0196$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,11541,27901,27902,45550,45551,46027,46451</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1049%2Fel.2016.0196$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc></links><search><creatorcontrib>Tian, J</creatorcontrib><creatorcontrib>Hu, A.P</creatorcontrib><title>Stabilising the output voltage of wireless power pickup through parallel tuned DC-voltage controlled variable capacitor</title><title>Electronics letters</title><description>A new method to regulate the output voltage of the secondary side of an inductive power transfer (IPT) system through a DC-voltage controlled variable capacitor (DCVC) is proposed. As the equivalent capacitance of the DCVC can be controlled by a DC voltage, when it is used as a parallel tuning capacitor at secondary side of an IPT system, the output voltage can be controlled by this DC voltage through the effect of tuning and detuning. Further, a simple proportional plus integral control (PI) controller can be employed to generate the controlling DC voltage conveniently to make the output voltage constant. As there is no active switch used in the DCVC, it has no switch driving problems such as a high up to 20 V voltage source which is of particular advantage for its application at the secondary side of an IPT system. The DCVC also has the potential to be used at much higher frequencies than traditional switch mode capacitors because of the smoothness of the adjustment of its equivalent capacitance through a DC voltage.</description><subject>Capacitance</subject><subject>Capacitors</subject><subject>circuit tuning</subject><subject>Control systems</subject><subject>detuning</subject><subject>Electric potential</subject><subject>Equivalence</subject><subject>equivalent capacitance</subject><subject>inductive power transfer system</subject><subject>inductive power transmission</subject><subject>output voltage</subject><subject>parallel tuned DC‐ voltage controlled variable capacitor</subject><subject>PI control</subject><subject>PI controller</subject><subject>Power electronics, energy conversion and sustainability</subject><subject>Switches</subject><subject>Tuning</subject><subject>Voltage</subject><subject>wireless power pickup</subject><issn>0013-5194</issn><issn>1350-911X</issn><issn>1350-911X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNp9kU1v1DAQhiMEEqu2N36ADxw4kK3HsZ3kCMsWKq3EAZC4Wf6YbF3cONhOV_33ZFm-DsBpNDPPvDOat6qeAV0D5f0lhjWjINcUevmoWkEjaN0DfH5crSiFphbQ86fVRc7eUODAJeWwqg4fijY--OzHPSk3SOJcprmQ-xiK3i_pQA4-YcCcyRQPmMjk7Zd5WtgU5_0NmXTSIWAgZR7RkTeb-ueojWNJcek5cq-T1yYsNT1p60tM59WTQYeMFz_iWfXpavtx867evX97vXm1qy3nTNSM9brXiINDS1kHCEPbdyihBQGCO2ak0Ub3tO0k57J1LUiJLW2ZbJwVXXNWXZ90XdS3akr-TqcHFbVX3wsx7ZVOxduACq1DsAw7Q5Eb6QzIBoH1RoBr0clF68VJa0rx64y5qDufLYagR4xzVtAxIYQUbb-gL0-oTTHnhMOv1UDV0S6FQR3tUke7Flyc8IMP-PBfVm13O_b6ijYtE78v8ljUbZzTuPzyXyue_wXd7v5QntzQfAPquLJu</recordid><startdate>20160428</startdate><enddate>20160428</enddate><creator>Tian, J</creator><creator>Hu, A.P</creator><general>The Institution of Engineering and Technology</general><general>Wiley</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope><scope>DOA</scope></search><sort><creationdate>20160428</creationdate><title>Stabilising the output voltage of wireless power pickup through parallel tuned DC-voltage controlled variable capacitor</title><author>Tian, J ; Hu, A.P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4425-229a9aeefdec0281e1f798e61715154d2b6baba907864467d7166e707263dc583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Capacitance</topic><topic>Capacitors</topic><topic>circuit tuning</topic><topic>Control systems</topic><topic>detuning</topic><topic>Electric potential</topic><topic>Equivalence</topic><topic>equivalent capacitance</topic><topic>inductive power transfer system</topic><topic>inductive power transmission</topic><topic>output voltage</topic><topic>parallel tuned DC‐ voltage controlled variable capacitor</topic><topic>PI control</topic><topic>PI controller</topic><topic>Power electronics, energy conversion and sustainability</topic><topic>Switches</topic><topic>Tuning</topic><topic>Voltage</topic><topic>wireless power pickup</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tian, J</creatorcontrib><creatorcontrib>Hu, A.P</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Electronics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Tian, J</au><au>Hu, A.P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stabilising the output voltage of wireless power pickup through parallel tuned DC-voltage controlled variable capacitor</atitle><jtitle>Electronics letters</jtitle><date>2016-04-28</date><risdate>2016</risdate><volume>52</volume><issue>9</issue><spage>758</spage><epage>759</epage><pages>758-759</pages><issn>0013-5194</issn><issn>1350-911X</issn><eissn>1350-911X</eissn><abstract>A new method to regulate the output voltage of the secondary side of an inductive power transfer (IPT) system through a DC-voltage controlled variable capacitor (DCVC) is proposed. As the equivalent capacitance of the DCVC can be controlled by a DC voltage, when it is used as a parallel tuning capacitor at secondary side of an IPT system, the output voltage can be controlled by this DC voltage through the effect of tuning and detuning. Further, a simple proportional plus integral control (PI) controller can be employed to generate the controlling DC voltage conveniently to make the output voltage constant. As there is no active switch used in the DCVC, it has no switch driving problems such as a high up to 20 V voltage source which is of particular advantage for its application at the secondary side of an IPT system. The DCVC also has the potential to be used at much higher frequencies than traditional switch mode capacitors because of the smoothness of the adjustment of its equivalent capacitance through a DC voltage.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/el.2016.0196</doi><tpages>2</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Electronics letters, 2016-04, Vol.52 (9), p.758-759 |
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| source | Wiley-Blackwell Open Access Titles |
| subjects | Capacitance Capacitors circuit tuning Control systems detuning Electric potential Equivalence equivalent capacitance inductive power transfer system inductive power transmission output voltage parallel tuned DC‐ voltage controlled variable capacitor PI control PI controller Power electronics, energy conversion and sustainability Switches Tuning Voltage wireless power pickup |
| title | Stabilising the output voltage of wireless power pickup through parallel tuned DC-voltage controlled variable capacitor |
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