ENERGY STORAGE SYSTEM AND BATTERY MANAGEMENT METHOD
This application provides an energy storage system and a battery management method. The energy storage system includes a battery cluster, a battery control system, at least two first power conversion modules, a bus, and a second power conversion module. A plurality of battery packs in the battery cl...
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| creator | GUO, Haibin LI, Lin JU, Hualei |
| description | This application provides an energy storage system and a battery management method. The energy storage system includes a battery cluster, a battery control system, at least two first power conversion modules, a bus, and a second power conversion module. A plurality of battery packs in the battery cluster are connected in parallel to the bus through the at least two first power conversion modules, one end of the second power conversion module is connected in parallel to the battery cluster, and the other end of the second power conversion module is connected to a load or a power grid. The battery control system obtains a target current value that needs to be provided by the second power conversion module to the load or the power grid. Based on the target current value and a battery parameter of each battery pack, the battery control system controls the battery pack to discharge to the bus through the first power conversion module connected in parallel to the battery pack, or control the first power conversion module connected in parallel to the battery pack to charge the battery pack, to equalize the battery parameters of the battery packs or enable the battery cluster to output target power. In this application, the battery parameters of the battery packs can be equalized, or the battery cluster is enabled to output the target power, so that system stability is improved. |
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The energy storage system includes a battery cluster, a battery control system, at least two first power conversion modules, a bus, and a second power conversion module. A plurality of battery packs in the battery cluster are connected in parallel to the bus through the at least two first power conversion modules, one end of the second power conversion module is connected in parallel to the battery cluster, and the other end of the second power conversion module is connected to a load or a power grid. The battery control system obtains a target current value that needs to be provided by the second power conversion module to the load or the power grid. Based on the target current value and a battery parameter of each battery pack, the battery control system controls the battery pack to discharge to the bus through the first power conversion module connected in parallel to the battery pack, or control the first power conversion module connected in parallel to the battery pack to charge the battery pack, to equalize the battery parameters of the battery packs or enable the battery cluster to output target power. In this application, the battery parameters of the battery packs can be equalized, or the battery cluster is enabled to output the target power, so that system stability is improved.</description><language>eng ; fre ; ger</language><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; GENERATION ; SYSTEMS FOR STORING ELECTRIC ENERGY</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241127&DB=EPODOC&CC=EP&NR=4054051B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241127&DB=EPODOC&CC=EP&NR=4054051B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GUO, Haibin</creatorcontrib><creatorcontrib>LI, Lin</creatorcontrib><creatorcontrib>JU, Hualei</creatorcontrib><title>ENERGY STORAGE SYSTEM AND BATTERY MANAGEMENT METHOD</title><description>This application provides an energy storage system and a battery management method. The energy storage system includes a battery cluster, a battery control system, at least two first power conversion modules, a bus, and a second power conversion module. A plurality of battery packs in the battery cluster are connected in parallel to the bus through the at least two first power conversion modules, one end of the second power conversion module is connected in parallel to the battery cluster, and the other end of the second power conversion module is connected to a load or a power grid. The battery control system obtains a target current value that needs to be provided by the second power conversion module to the load or the power grid. Based on the target current value and a battery parameter of each battery pack, the battery control system controls the battery pack to discharge to the bus through the first power conversion module connected in parallel to the battery pack, or control the first power conversion module connected in parallel to the battery pack to charge the battery pack, to equalize the battery parameters of the battery packs or enable the battery cluster to output target power. In this application, the battery parameters of the battery packs can be equalized, or the battery cluster is enabled to output the target power, so that system stability is improved.</description><subject>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>SYSTEMS FOR STORING ELECTRIC ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB29XMNco9UCA7xD3J0d1UIjgwOcfVVcPRzUXByDAlxDYpU8HX0A8r4uvqFKPi6hnj4u_AwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXABMDUyAydDI0JkIJAF3bJro</recordid><startdate>20241127</startdate><enddate>20241127</enddate><creator>GUO, Haibin</creator><creator>LI, Lin</creator><creator>JU, Hualei</creator><scope>EVB</scope></search><sort><creationdate>20241127</creationdate><title>ENERGY STORAGE SYSTEM AND BATTERY MANAGEMENT METHOD</title><author>GUO, Haibin ; LI, Lin ; JU, Hualei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP4054051B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2024</creationdate><topic>CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>SYSTEMS FOR STORING ELECTRIC ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>GUO, Haibin</creatorcontrib><creatorcontrib>LI, Lin</creatorcontrib><creatorcontrib>JU, Hualei</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GUO, Haibin</au><au>LI, Lin</au><au>JU, Hualei</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ENERGY STORAGE SYSTEM AND BATTERY MANAGEMENT METHOD</title><date>2024-11-27</date><risdate>2024</risdate><abstract>This application provides an energy storage system and a battery management method. The energy storage system includes a battery cluster, a battery control system, at least two first power conversion modules, a bus, and a second power conversion module. A plurality of battery packs in the battery cluster are connected in parallel to the bus through the at least two first power conversion modules, one end of the second power conversion module is connected in parallel to the battery cluster, and the other end of the second power conversion module is connected to a load or a power grid. The battery control system obtains a target current value that needs to be provided by the second power conversion module to the load or the power grid. Based on the target current value and a battery parameter of each battery pack, the battery control system controls the battery pack to discharge to the bus through the first power conversion module connected in parallel to the battery pack, or control the first power conversion module connected in parallel to the battery pack to charge the battery pack, to equalize the battery parameters of the battery packs or enable the battery cluster to output target power. In this application, the battery parameters of the battery packs can be equalized, or the battery cluster is enabled to output the target power, so that system stability is improved.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | ENERGY STORAGE SYSTEM AND BATTERY MANAGEMENT METHOD |
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