Chii chinonzi bhatiri management system (BMS)??
Zita rakazara reBMSSisitimu yeKutarisira Bhatiri, sisitimu yekutarisira mabhatiri. Ichi chishandiso chinoshanda pamwe chete nekutarisa mamiriro ebhatiri rekuchengetera simba. Chinonyanya kuitirwa manejimendi nekuchengetedza bhatiri rega rega, kudzivirira bhatiri kuti risachaji zvakanyanya kana kuburitsa simba zvakanyanya, kuwedzera hupenyu hwebhatiri, uye kutarisa mamiriro ebhatiri. Kazhinji, BMS inomiririrwa sebhodhi redunhu kana bhokisi remidziyo.
BMS ndeimwe yenzira huru dzekuchengetedza simba rebhatiri. Inotarisira kutarisa mashandiro ebhatiri rega rega mukuchengetera simba rebhatirichikamu ichi kuti chive nechokwadi chekuti chikamu chekuchengetera simba chinoshanda zvakachengeteka uye zvakavimbika. BMS inogona kutarisa nekuunganidza maparamita emamiriro ebhatiri rekuchengetera simba munguva chaiyo (kusanganisira asi kwete kungogumira kuvoltage yebhatiri rimwe chete, tembiricha yedanda rebhatiri, simba remagetsi redunhu rebhatiri, voltage yekupedzisira yebhatiri, kuramba kwekudzivirira kwesistimu yebhatiri, nezvimwewo), uye kuita kuti zvidikanwe. Zvichienderana nekuongorora nekuverenga sisitimu, maparamita akawanda ekuongorora mamiriro esisitimu anowanikwa, uye kutonga kunoshanda kwebhatiri rekuchengetera simbaMuviri unoitwa zvichienderana nehurongwa hwekudzivirira, kuitira kuti ive nechokwadi chekuti chikamu chose chekuchengetedza simba rebhatiri chinoshanda zvakachengeteka uye zvakavimbika. Panguva imwe chete, BMS inogona kuchinjana ruzivo nezvimwe zvishandiso zvekunze (PCS, EMS, system yekudzivirira moto, nezvimwewo) kuburikidza neinterface yayo yekutaurirana, analog/digital input, uye input interface, uye kugadzira linkage control ye subsystems dzakasiyana-siyana muchiteshi chose chemagetsi chekuchengetedza simba kuti ive nechokwadi chekuti chiteshi chemagetsi chakachengeteka uye chakavimbika. Kushanda zvakanaka kwegrid-connected.
Basa rei?BMS?
Kune mabasa akawanda eBMS, uye anonyanya kukosha, atinonyanya kunetseka nawo, haasi mamwe mabasa matatu chete: manejimendi yemamiriro ezvinhu, manejimendi yekuenzanisa, uye manejimendi yekuchengetedzwa.
Basa rekutarisira hurumende resisitimu yekugadzirisa mabhatiri
Tinoda kuziva kuti bhatiri riri mumamiriro akaita sei, voltage iri kupi, simba rakawanda sei, kugona kwakawanda sei, uye kuti charge ne discharge current chii, uye basa reBMS state management richatiudza mhinduro. Basa guru reBMS nderekuyera nekufungidzira ma parameter ebhatiri, kusanganisira ma parameter ekutanga nemamiriro akaita se voltage, current, uye tembiricha, uye kuverenga data remamiriro ebhatiri seSOC neSOH.
Kuyerwa kwemasero
Kuyera ruzivo rwekutanga: Basa guru rehurongwa hwekutarisira mabhatiri nderekuyera voltage, current, uye tembiricha yesero rebhatiri, inova ndiyo hwaro hwekuverenga kwepamusoro-soro uye logic yekudzora yehurongwa hwese hwekutarisira mabhatiri.
Kuona kudzivirira kupisa: Muhurongwa hwekutarisira mabhatiri, kuongorora kupisa kwebhatiri rese uye hurongwa hwemagetsi akakwira kunodiwa.
Kuverenga kweSOC
SOC zvinoreva State of Charge, simba rasara rebhatiri. Zvichitaurwa zviri nyore, zvinoreva kuti bhatiri rine simba rakawanda sei.
SOC ndiyo parameter inonyanya kukosha muBMS, nekuti zvimwe zvese zvinoenderana neSOC, saka kururama kwayo kwakakosha zvikuru. Kana pasina SOC chaiyo, hapana mabasa ekudzivirira anogona kuita kuti BMS ishande zvakanaka, nekuti bhatiri rinowanzo dzivirirwa, uye hupenyu hwebhatiri hahugone kuwedzerwa.
Nzira dzekuongorora dzeSOC dziri kushandiswa pari zvino dzinosanganisira nzira ye open circuit voltage, nzira yekubatanidza magetsi, nzira yeKalman filter, uye nzira yeneural network. Nzira mbiri dzekutanga ndidzo dzinonyanya kushandiswa.
Basa rekutarisira kuenzana kwemarisisitimu yekugadzirisa mabhatiri
Bhatiri rega rega rine "hunhu" hwaro. Kuti titaure nezvekuenzana, tinofanira kutanga nebhatiri. Kunyangwe mabhatiri anogadzirwa nemugadziri mumwe chete mubheti rimwe chete ane hupenyu hwawo uye "hunhu" hwavo - kugona kwebhatiri rega rega hakugone kufanana chaizvo. Kune mhando mbiri dzezvikonzero zvekusawirirana uku:
Kusawirirana mukugadzirwa kwemasero uye kusawirirana mukuita kwemagetsi
kusaenderana kwekugadzirwa
Kusaenderana kwekugadzirwa kwezvinhu kunonzwisiswa zvakanaka. Semuenzaniso, mukugadzirwa kwezvinhu, zvinhu zvinoparadzanisa, cathode, uye anode hazvienderane, zvichikonzera kusawirirana muhuwandu hwese hwebhatiri.
Kusawirirana kwemakemikari emagetsi zvinoreva kuti panguva yekuchaja nekuburitsa mabhatiri, kunyangwe kugadzirwa nekugadzirisa mabhatiri maviri kwakafanana, mamiriro ekupisa haambofi akafanana panguva yekushanda kwemakemikari emagetsi.
Tinoziva kuti kushaja zvakanyanya uye kuburitsa simba zvakanyanya kunogona kukanganisa bhatiri zvikuru. Saka, kana bhatiri B rakazara kana richichaja, kana kuti SOC yebhatiri B yatove yakaderera zvikuru kana richichaja, zvakakosha kuti bhatiri B rimire kushaja uye ribude simba kuti ridzivirire bhatiri B, uye simba rebhatiri A nebhatiri C harigone kushandiswa zvizere. Izvi zvinoguma ne:
Chekutanga, kugona kwebhatiri kunoshanda kwakaderera: kugona kwaigona kushandiswa nemabhatiri A naC, asi ikozvino hapasisina pekushandisa simba rekutarisira B, sezvinoita vanhu vaviri nemakumbo matatu vachisunga marefu nemapfupi pamwe chete, uye nhanho dzemunhu murefu dzinononoka. Haakwanise kufambira mberi zvikuru.
Chechipiri, hupenyu hwebhatiri hushoma: nhanho diki, nhamba yematanho anodiwa kufamba yakawanda, uye makumbo aneta zvakanyanya; kugona kwacho kushoma, uye nhamba yematanho anoda kuchajwa nekuburitswa inowedzera, uye kuderera kwebhatiri kwakakurawo. Semuenzaniso, sero rimwe chete rebhatiri rinogona kusvika 4000 cycles kana richinge rachajwa 100% uye richiburitswa, asi harigone kusvika 100% pakushandiswa chaiko, uye nhamba yematanho haifanirwe kusvika 4000 kanomwe.
Kune nzira mbiri huru dzekuenzanisa BMS, passive balancing uye active balancing.
Mwenje wemagetsi wekuenzanisa magetsi usingashande wakaderera, senge wekuenzanisa magetsi usingashande unopihwa neDALY BMS, une mwenje wakaenzana we30mA chete uye nguva refu yekuenzanisa magetsi ebhatiri.
Iyo active balancing current yakakura, sengechiranganisi chinoshandayakagadzirwa neDALY BMS, iyo inosvika pakuyera kwemagetsi kwe1A uye ine nguva pfupi yekuenzanisa voltage yebhatiri.
Basa rekudzivirirasisitimu yekugadzirisa mabhatiri
BMS monitor inoenderana nemidziyo yemagetsi. Zvichienderana nemamiriro akasiyana ekushanda kwebhatiri, yakakamurwa kuita mazinga akasiyana ekutadza (zvikanganiso zvidiki, zvikanganiso zvakakomba, zvikanganiso zvinouraya), uye matanho akasiyana ekugadzirisa anotorwa pasi pemazinga akasiyana ekutadza: yambiro, muganho wesimba kana kudimbura voltage yakakwira zvakananga. Zvikanganiso zvinosanganisira kuwanikwa kwedata uye zvikanganiso zvekugona, zvikanganiso zvemagetsi (masensa nemaactuator), zvikanganiso zvekutaurirana, uye zvikanganiso zvemamiriro ebhatiri.
Muenzaniso wakajairika ndewekuti kana bhatiri rapisa zvakanyanya, BMS inotonga kuti bhatiri rapisa zvakanyanya zvichibva pakupisa kwebhatiri kwakaunganidzwa, uye ipapo dunhu rinodzora bhatiri rinobviswa kuti riite dziviriro yekupisa zvakanyanya uye kutumira alarm kuEMS nedzimwe nzira dzekutarisira.
Sei uchifanira kusarudza DALY BMS?
DALY BMS, imwe yemakambani makuru ekugadzira mabheteri (BMS) muChina, ine vashandi vanopfuura 800, nzvimbo yekugadzira ine 20,000 square metres uye mainjiniya eR&D anopfuura 100. Zvigadzirwa zvinobva kuDaly zvinotumirwa kunyika dzinopfuura 150 nenzvimbo.
Basa rekuchengetedza kuchengetedzwa kwehunyanzvi
Bhodhi rakangwara nebhodhi rehardware zvine mabasa matanhatu makuru ekudzivirira:
Dziviriro yekuwedzera simba: Kana voltage yemasero ebhatiri kana volteji yebhatiri yasvika padanho rekutanga revolteji yekuwedzera simba, meseji yekunyevera ichaburitswa, uye kana voltage yasvika padanho rechipiri revolteji yekuwedzera simba, DALY BMS inodzima otomatiki simba remagetsi.
Dziviriro yekubuda kwemagetsi zvakanyanya: Kana voltage yebhatiri kana paki yebhatiri yasvika padanho rekutanga revoltage inobuda zvakanyanya, meseji yekunyevera ichaburitswa. Kana voltage yasvika padanho rechipiri revoltage inobuda zvakanyanya, DALY BMS inodzima otomatiki simba remagetsi.
Dziviriro yemagetsi akawandisa: Kana magetsi anoburitswa nebhatiri kana kuti magetsi ekuchaja asvika padanho rekutanga remagetsi akawandisa, meseji yekuyambira ichapihwa, uye kana magetsi asvika padanho rechipiri remagetsi akawandisa, DALY BMS inodzima magetsi otomatiki.
Dziviriro pakupisa: Mabhatiri eLithium haagone kushanda zvakanaka mumamiriro ekupisa akakwira uye akaderera. Kana tembiricha yebhatiri yakakwira zvakanyanya kana kuti yakaderera zvakanyanya kuti isvike padanho rekutanga, meseji yekuyambira ichapihwa, uye kana yasvika padanho rechipiri, DALY BMS inodzima magetsi otomatiki.
Dziviriro yemagetsi mapfupi: Kana magetsi akadzimwa, magetsi anowedzera ipapo ipapo, uye DALY BMS inodzima magetsi otomatiki
Basa rekutarisira chiyero chehunyanzvi
Kutarisira kwakaringana: Kana musiyano wemagetsi ebhatiri wakakura zvakanyanya, zvinokanganisa kushandiswa kwebhatiri kwakajairika. Semuenzaniso, bhatiri rinodzivirirwa kubva pakuchaja zvakanyanya pachine nguva, uye bhatiri harina kuchaja zvakakwana, kana bhatiri rinodzivirirwa kubva pakuchaja zvakanyanya pachine nguva, uye bhatiri harigone kushaja zvakakwana. DALY BMS ine basa rayo rekuenzanisa passive, uye yakagadzirawo active equalization module. Iyo yakanyanya equalization current inosvika 1A, iyo inogona kuwedzera hupenyu hwebasa rebhatiri uye kuve nechokwadi chekushandiswa kwakajairika kwebhatiri.
Basa rehutungamiriri hwehurumende uye basa rekutaurirana
Basa rekutarisira mamiriro rine simba, uye chigadzirwa chega chega chinoedzwa zvakanyanya usati wabuda mufekitori, kusanganisira kuyedzwa kwekudzivirira kupisa, kuyedzwa kwekunyatsojeka kwemagetsi, kuyedzwa kwemamiriro ekunze, nezvimwewo. BMS inoongorora voltage yemasero ebhatiri, voltage yese yebhatiri, tembiricha yebhatiri, charge current uye discharge current munguva chaiyo. Ipa basa reSOC rakarurama, shandisa nzira yekubatanidza ampere-hour, chikanganiso chiri 8% chete.
Kuburikidza nenzira nhatu dzekutaurirana dzeUART/RS485/CAN, dzakabatana nekombuta inobatidza kana skrini yekubata, bluetooth nebhodhi remwenje kuti ishandise bhatiri re lithium. Inotsigira mainverters ekukurukurirana, akadai seChina Tower, GROWATT, DEY E, MU ST, GOODWE, SOFAR, SRNE, SMA, nezvimwewo.
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Nguva yekutumira: Chivabvu-14-2023
