A Dual-Sided LCLC Topology for AGV Wireless Charging System With Low Leakage EMF
The leakage electromagnetic field (EMF) generated during the wireless charging for automatic guidance vehicle will affect the regular operation of communication equipment and human safety. To reduce the leakage EMF, a dual-sided LCLC topology is introduced and optimized. The core idea is to construc...
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| Veröffentlicht in: | IEEE transactions on electromagnetic compatibility 2023-06, Vol.65 (3), p.1-12 |
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| container_title | IEEE transactions on electromagnetic compatibility |
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| creator | Li, Yanling Ying, Yangjiang Xie, Kaiwen Pan, Shuaishuai |
| description | The leakage electromagnetic field (EMF) generated during the wireless charging for automatic guidance vehicle will affect the regular operation of communication equipment and human safety. To reduce the leakage EMF, a dual-sided LCLC topology is introduced and optimized. The core idea is to construct the currents opposite to that flowing through the power transmission coils on primary and secondary sides, respectively. On this basis, connecting the shielding coils in the reverse current branches can generate the canceling magnetic field opposite to the leakage EMF. Thus, a low leakage magnetic coupler is established via the combination of power transmission coils and shielding coils. To minimize the leakage EMF, the specific parameters of magnetic coupler and dual-sided LCLC topology are optimized, and an experimental prototype is built to verify the shielding effect. The results show that when the output power is 1 kW, the shielding effect reaches 84.70%, and the power transfer efficiency is improved by 0.907%. Moreover, in the case of coil misalignment, there is still over 53.15% shielding effect by using the proposed method. |
| doi_str_mv | 10.1109/TEMC.2023.3263906 |
| format | Article |
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To reduce the leakage EMF, a dual-sided LCLC topology is introduced and optimized. The core idea is to construct the currents opposite to that flowing through the power transmission coils on primary and secondary sides, respectively. On this basis, connecting the shielding coils in the reverse current branches can generate the canceling magnetic field opposite to the leakage EMF. Thus, a low leakage magnetic coupler is established via the combination of power transmission coils and shielding coils. To minimize the leakage EMF, the specific parameters of magnetic coupler and dual-sided LCLC topology are optimized, and an experimental prototype is built to verify the shielding effect. The results show that when the output power is 1 kW, the shielding effect reaches 84.70%, and the power transfer efficiency is improved by 0.907%. Moreover, in the case of coil misalignment, there is still over 53.15% shielding effect by using the proposed method.</description><identifier>ISSN: 0018-9375</identifier><identifier>EISSN: 1558-187X</identifier><identifier>DOI: 10.1109/TEMC.2023.3263906</identifier><identifier>CODEN: IEMCAE</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Active shielding ; Automated guided vehicles ; Coils ; Communications equipment ; Couplers ; electromagnetic field ; Electromagnetic fields ; LCLC topology ; Leakage ; Magnetic hysteresis ; Magnetic noise ; Magnetic resonance ; Magnetic shielding ; Misalignment ; Power transmission ; Topology ; Topology optimization ; wireless power transfer ; Wireless power transmission</subject><ispartof>IEEE transactions on electromagnetic compatibility, 2023-06, Vol.65 (3), p.1-12</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c294t-2783470cd334d4f17452025ec6f2fc074b4b423c177d595761a85636edcfb1a23</citedby><cites>FETCH-LOGICAL-c294t-2783470cd334d4f17452025ec6f2fc074b4b423c177d595761a85636edcfb1a23</cites><orcidid>0000-0002-7667-8593 ; 0000-0003-4988-5842 ; 0000-0002-7292-7775 ; 0000-0003-2903-6309</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10104140$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/10104140$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Li, Yanling</creatorcontrib><creatorcontrib>Ying, Yangjiang</creatorcontrib><creatorcontrib>Xie, Kaiwen</creatorcontrib><creatorcontrib>Pan, Shuaishuai</creatorcontrib><title>A Dual-Sided LCLC Topology for AGV Wireless Charging System With Low Leakage EMF</title><title>IEEE transactions on electromagnetic compatibility</title><addtitle>TEMC</addtitle><description>The leakage electromagnetic field (EMF) generated during the wireless charging for automatic guidance vehicle will affect the regular operation of communication equipment and human safety. To reduce the leakage EMF, a dual-sided LCLC topology is introduced and optimized. The core idea is to construct the currents opposite to that flowing through the power transmission coils on primary and secondary sides, respectively. On this basis, connecting the shielding coils in the reverse current branches can generate the canceling magnetic field opposite to the leakage EMF. Thus, a low leakage magnetic coupler is established via the combination of power transmission coils and shielding coils. To minimize the leakage EMF, the specific parameters of magnetic coupler and dual-sided LCLC topology are optimized, and an experimental prototype is built to verify the shielding effect. The results show that when the output power is 1 kW, the shielding effect reaches 84.70%, and the power transfer efficiency is improved by 0.907%. Moreover, in the case of coil misalignment, there is still over 53.15% shielding effect by using the proposed method.</description><subject>Active shielding</subject><subject>Automated guided vehicles</subject><subject>Coils</subject><subject>Communications equipment</subject><subject>Couplers</subject><subject>electromagnetic field</subject><subject>Electromagnetic fields</subject><subject>LCLC topology</subject><subject>Leakage</subject><subject>Magnetic hysteresis</subject><subject>Magnetic noise</subject><subject>Magnetic resonance</subject><subject>Magnetic shielding</subject><subject>Misalignment</subject><subject>Power transmission</subject><subject>Topology</subject><subject>Topology optimization</subject><subject>wireless power transfer</subject><subject>Wireless power transmission</subject><issn>0018-9375</issn><issn>1558-187X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkFtLw0AQhRdRsFZ_gODDgs-pe788ltiLkKLQenlbtskmTU27dTdF-u9NaR9kHoZhzpkzfADcYzTAGOmnxWiWDggidECJoBqJC9DDnKsEK_l1CXoIYZVoKvk1uIlx3Y2ME9oDb0P4vLdNMq8LV8AszVK48Dvf-OoASx_gcPIBP-vgGhcjTFc2VPW2gvNDbN2mW7QrmPlfmDn7bSsHR7PxLbgqbRPd3bn3wft4tEinSfY6eUmHWZITzdqESEWZRHlBKStYiWX3DiLc5aIkZY4kW3ZFaI6lLLjmUmCruKDCFXm5xJbQPng83d0F_7N3sTVrvw_bLtIQRTjXSkjdqfBJlQcfY3Cl2YV6Y8PBYGSO4MwRnDmCM2dwnefh5Kmdc__0GDHMEP0DcoZmUg</recordid><startdate>20230601</startdate><enddate>20230601</enddate><creator>Li, Yanling</creator><creator>Ying, Yangjiang</creator><creator>Xie, Kaiwen</creator><creator>Pan, Shuaishuai</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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To reduce the leakage EMF, a dual-sided LCLC topology is introduced and optimized. The core idea is to construct the currents opposite to that flowing through the power transmission coils on primary and secondary sides, respectively. On this basis, connecting the shielding coils in the reverse current branches can generate the canceling magnetic field opposite to the leakage EMF. Thus, a low leakage magnetic coupler is established via the combination of power transmission coils and shielding coils. To minimize the leakage EMF, the specific parameters of magnetic coupler and dual-sided LCLC topology are optimized, and an experimental prototype is built to verify the shielding effect. The results show that when the output power is 1 kW, the shielding effect reaches 84.70%, and the power transfer efficiency is improved by 0.907%. 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| source | IEEE Electronic Library (IEL) |
| subjects | Active shielding Automated guided vehicles Coils Communications equipment Couplers electromagnetic field Electromagnetic fields LCLC topology Leakage Magnetic hysteresis Magnetic noise Magnetic resonance Magnetic shielding Misalignment Power transmission Topology Topology optimization wireless power transfer Wireless power transmission |
| title | A Dual-Sided LCLC Topology for AGV Wireless Charging System With Low Leakage EMF |
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