Differential Input Current Regulation in Parallel Output Connected Battery Power Modules
Parallel output connected converters have been widely investigated with a focus on equal current and power sharing. However, parallel output connected battery power modules (BPMs) require unequal currents to enable state-of-charge (SOC) control in active battery management systems (BMS.) This articl...
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| Veröffentlicht in: | IEEE transactions on power electronics 2022-04, Vol.37 (4), p.3854-3864 |
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| container_title | IEEE transactions on power electronics |
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| creator | Kamel, Mohamed Ur Rehman, Muneeb Zhang, Fan Zane, Regan Maksimovic, Dragan |
| description | Parallel output connected converters have been widely investigated with a focus on equal current and power sharing. However, parallel output connected battery power modules (BPMs) require unequal currents to enable state-of-charge (SOC) control in active battery management systems (BMS.) This article presents simple differential input current regulation for SOC control. Compared with equal current sharing, differential current regulation is more critical on the system stability due to the cross-coupling between the paralleled BPMs. The article proposes design guidelines that enable differential current control while considering the cross-coupling between the paralleled BPMs. The small-signal model of a battery brick consisting of N parallel output connected BPMs that operate in boost mode is presented. This article shows the effect of paralleling and differential currents on the individual input current regulation loops. Simulations and experiments verify the analysis. Experimental validation using a 300-W prototype consisting of three parallel output connected battery modules in an active BMS is presented. |
| doi_str_mv | 10.1109/TPEL.2021.3120365 |
| format | Article |
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However, parallel output connected battery power modules (BPMs) require unequal currents to enable state-of-charge (SOC) control in active battery management systems (BMS.) This article presents simple differential input current regulation for SOC control. Compared with equal current sharing, differential current regulation is more critical on the system stability due to the cross-coupling between the paralleled BPMs. The article proposes design guidelines that enable differential current control while considering the cross-coupling between the paralleled BPMs. The small-signal model of a battery brick consisting of <inline-formula><tex-math notation="LaTeX">N</tex-math></inline-formula> parallel output connected BPMs that operate in boost mode is presented. This article shows the effect of paralleling and differential currents on the individual input current regulation loops. Simulations and experiments verify the analysis. Experimental validation using a 300-W prototype consisting of three parallel output connected battery modules in an active BMS is presented.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2021.3120365</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Active balancing ; Active control ; Batteries ; battery management systems (BMSs) ; battery power modules (BPMs) ; Computer architecture ; Converters ; Cross coupling ; Current control ; current regulation ; Current sharing ; differential current control ; Management systems ; Microprocessors ; Modules ; Power management ; small-signal analysis ; State of charge ; state-of-charge (SOC) control ; Systems stability ; Transfer functions ; Voltage control</subject><ispartof>IEEE transactions on power electronics, 2022-04, Vol.37 (4), p.3854-3864</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-27c811dc8cb061a5266bee34264749fec543387ed70d9b503e2c54e7ad7f42463</citedby><cites>FETCH-LOGICAL-c293t-27c811dc8cb061a5266bee34264749fec543387ed70d9b503e2c54e7ad7f42463</cites><orcidid>0000-0002-8867-0230 ; 0000-0002-3609-3013</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9573292$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9573292$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Kamel, Mohamed</creatorcontrib><creatorcontrib>Ur Rehman, Muneeb</creatorcontrib><creatorcontrib>Zhang, Fan</creatorcontrib><creatorcontrib>Zane, Regan</creatorcontrib><creatorcontrib>Maksimovic, Dragan</creatorcontrib><title>Differential Input Current Regulation in Parallel Output Connected Battery Power Modules</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>Parallel output connected converters have been widely investigated with a focus on equal current and power sharing. However, parallel output connected battery power modules (BPMs) require unequal currents to enable state-of-charge (SOC) control in active battery management systems (BMS.) This article presents simple differential input current regulation for SOC control. Compared with equal current sharing, differential current regulation is more critical on the system stability due to the cross-coupling between the paralleled BPMs. The article proposes design guidelines that enable differential current control while considering the cross-coupling between the paralleled BPMs. The small-signal model of a battery brick consisting of <inline-formula><tex-math notation="LaTeX">N</tex-math></inline-formula> parallel output connected BPMs that operate in boost mode is presented. This article shows the effect of paralleling and differential currents on the individual input current regulation loops. Simulations and experiments verify the analysis. Experimental validation using a 300-W prototype consisting of three parallel output connected battery modules in an active BMS is presented.</description><subject>Active balancing</subject><subject>Active control</subject><subject>Batteries</subject><subject>battery management systems (BMSs)</subject><subject>battery power modules (BPMs)</subject><subject>Computer architecture</subject><subject>Converters</subject><subject>Cross coupling</subject><subject>Current control</subject><subject>current regulation</subject><subject>Current sharing</subject><subject>differential current control</subject><subject>Management systems</subject><subject>Microprocessors</subject><subject>Modules</subject><subject>Power management</subject><subject>small-signal analysis</subject><subject>State of charge</subject><subject>state-of-charge (SOC) control</subject><subject>Systems stability</subject><subject>Transfer functions</subject><subject>Voltage control</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kFFLwzAUhYMoOKc_QHwJ-NyZm6RJ86hz6mCyIRN8C1l7Kx21nUmK7N_buuHThcN3zoWPkGtgEwBm7tar2WLCGYeJAM6ESk_ICIyEhAHTp2TEsixNMmPEObkIYcsYyJTBiHw8VmWJHptYuZrOm10X6bTzQ0Df8LOrXazahlYNXTnv6hpruuziH9U2DeYRC_rgYkS_p6v2Bz19bYuuxnBJzkpXB7w63jF5f5qtpy_JYvk8n94vkpwbEROu8wygyLN8wxS4lCu1QRSSK6mlKTFPpRCZxkKzwmxSJpD3EWpX6FJyqcSY3B52d7797jBEu2073_QvLVcghFKgdE_Bgcp9G4LH0u589eX83gKzg0A7CLSDQHsU2HduDp0KEf95k2rBDRe_FCJsNg</recordid><startdate>20220401</startdate><enddate>20220401</enddate><creator>Kamel, Mohamed</creator><creator>Ur Rehman, Muneeb</creator><creator>Zhang, Fan</creator><creator>Zane, Regan</creator><creator>Maksimovic, Dragan</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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However, parallel output connected battery power modules (BPMs) require unequal currents to enable state-of-charge (SOC) control in active battery management systems (BMS.) This article presents simple differential input current regulation for SOC control. Compared with equal current sharing, differential current regulation is more critical on the system stability due to the cross-coupling between the paralleled BPMs. The article proposes design guidelines that enable differential current control while considering the cross-coupling between the paralleled BPMs. The small-signal model of a battery brick consisting of <inline-formula><tex-math notation="LaTeX">N</tex-math></inline-formula> parallel output connected BPMs that operate in boost mode is presented. This article shows the effect of paralleling and differential currents on the individual input current regulation loops. Simulations and experiments verify the analysis. 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| source | IEEE Electronic Library (IEL) |
| subjects | Active balancing Active control Batteries battery management systems (BMSs) battery power modules (BPMs) Computer architecture Converters Cross coupling Current control current regulation Current sharing differential current control Management systems Microprocessors Modules Power management small-signal analysis State of charge state-of-charge (SOC) control Systems stability Transfer functions Voltage control |
| title | Differential Input Current Regulation in Parallel Output Connected Battery Power Modules |
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