Ingcamango yokubaukulinganisela iiselimhlawumbi iqhelekile kuninzi lwethu. Oku kungenxa yokuba ukuhambelana kweeseli okwangoku akwanelanga, kwaye ukulinganisela kunceda ekuphuculeni oku. Njengokuba ungafumani amagqabi amabini afanayo emhlabeni, awukwazi kufumana neeseli ezimbini ezifanayo. Ngoko ke, ekugqibeleni, ukulinganisela kukujongana nokusilela kweeseli, kusebenza njengendlela yokulinganisa.
Ziziphi Izinto Ezibonisa Ukungangqinelani Kweeseli?
Kukho iinkalo ezine eziphambili: i-SOC (iMeko yokuTshaja), ukumelana kwangaphakathi, umsinga wokukhupha i-self-discharge, kunye nomthamo. Nangona kunjalo, ukulinganisela akunakuzisombulula ngokupheleleyo ezi ngxaki zine. Ukulinganisela kunokulungisa kuphela umahluko we-SOC, ngengozi kulungisa ukungangqinelani kokuzikhupha i-self-discharge. Kodwa ngokuchaseneyo kunye namandla angaphakathi, ukulinganisela akunamandla.
Kwenzeka Njani Ukuba Ukungangqinelani Kweeseli Kubangelwa Yinto Enjani?
Kukho izizathu ezibini eziphambili: esinye kukungangqinelani okubangelwa kukuveliswa nokulungiswa kweeseli, kwaye esinye kukungangqinelani okubangelwa yindawo yokusetyenziswa kweeseli. Ukungangqinelani kwemveliso kuvela kwizinto ezifana neendlela zokucubungula kunye nezixhobo, nto leyo eyenza kube lula umba onzima kakhulu. Ukungangqinelani kwendalo kulula ukukuqonda, njengoko indawo yeseli nganye kwiPACK yahlukile, nto leyo ekhokelela kumahluko kwendalo afana nokutshintsha okuncinci kumaqondo obushushu. Ngokuhamba kwexesha, la mahluko ayaqokelelana, nto leyo ebangela ukungangqinelani kweeseli.
Kusebenza Njani Ukulinganisela?
Njengoko bekutshiwo ngaphambili, ukulinganisela kusetyenziswa ukususa umahluko we-SOC phakathi kweeseli. Eyona nto ifanelekileyo, kugcina i-SOC yeseli nganye ifana, ivumela zonke iiseli ukuba zifikelele kwimida ye-voltage ephezulu nesezantsi yokutshaja kunye nokukhupha ngaxeshanye, ngaloo ndlela kwandisa amandla asebenzisekayo ebhetri. Kukho iimeko ezimbini zomahluko we-SOC: enye kuxa amandla eseli afana kodwa ii-SOC zahlukile; enye kuxa amandla eseli kunye nee-SOC zombini zahlukile.
Imeko yokuqala (ekhohlo kakhulu kumfanekiso ongezantsi) ibonisa iiseli ezinomthamo ofanayo kodwa ii-SOC ezahlukeneyo. Iseli ene-SOC encinci ifikelela kumda wokukhupha kuqala (kucingelwa ukuba i-25% ye-SOC ngumda osezantsi), ngelixa iseli ene-SOC enkulu ifikelela kumda wokutshaja kuqala. Ngokulinganisela, zonke iiseli zigcina i-SOC efanayo ngexesha lokutshaja nokukhupha.
Imeko yesibini (eyesibini ukusuka ekhohlo kumfanekiso ongezantsi) ibandakanya iiseli ezineemandla ezahlukeneyo kunye nee-SOC. Apha, iseli enemandla amancinci iyatshaja kwaye ikhuphe kuqala. Ngokulinganisa, zonke iiseli zigcina i-SOC efanayo ngexesha lokutshaja nokukhupha.
Ukubaluleka Kokulinganisela
Ukulinganisela ngumsebenzi obalulekileyo kwiiseli zangoku. Kukho iintlobo ezimbini zokulinganisela:ukulinganisela okusebenzayokwayeukulinganisela okungenamsebenzi. Ukulinganisela okungasebenziyo kusebenzisa izithinteli ekukhupheni, ngelixa ukulinganisela okusebenzayo kubandakanya ukuhamba kwetshaja phakathi kweeseli. Kukho ingxoxo malunga nale migaqo, kodwa asiyi kungena kuloo nto. Ukulinganisela okungasebenziyo kusetyenziswa kakhulu ekusebenzeni, ngelixa ukulinganisela okusebenzayo kungaqhelekanga.
Ukugqiba ngeBalancing Current ye-BMS
Ukuze kubekho ukulinganisela okungasebenziyo, umsinga wokulinganisela ufanele uchongwe njani? Eyona nto ifanelekileyo, kufuneka ube mkhulu kangangoko, kodwa izinto ezifana neendleko, ukusasazwa kobushushu, kunye nendawo zifuna ukulungelelaniswa.
Ngaphambi kokukhetha umsinga wokulinganisela, kubalulekile ukuqonda ukuba umahluko we-SOC ubangelwa yimeko yokuqala okanye imeko yesibini. Kwiimeko ezininzi, usondele kwimeko yokuqala: iiseli ziqala ngomthamo ofanayo kunye ne-SOC, kodwa njengoko zisetyenziswa, ingakumbi ngenxa yomahluko ekuzikhupheni, i-SOC yeseli nganye iyahluka kancinci kancinci. Ke ngoko, amandla okulinganisela kufuneka ubuncinane asuse impembelelo yomahluko wokuzikhuphela.
Ukuba zonke iiseli bezine-self-discharge efanayo, ukulinganisela bekungayi kuba yimfuneko. Kodwa ukuba kukho umahluko kwi-self-discharge current, kuya kuvela umahluko we-SOC, kwaye ukulinganisela kuyadingeka ukuhlawula oku. Ukongeza, ekubeni ixesha eliqhelekileyo lokulinganisela imihla ngemihla lilinganiselwe ngelixa i-self-discharge iqhubeka imihla ngemihla, kufuneka kuqwalaselwe ne-time factor.
Ixesha leposi: Julayi-05-2024
