Uburyo bwo Kubara SOC

SOC ni iki?

Amashanyarazi ya Batiri (SOC) ni igipimo cyamafaranga yishyurwa aboneka kubushobozi bwamafaranga yose, ubusanzwe agaragazwa nkijanisha. Kubara neza SOC ni ngombwa muri aSisitemu yo gucunga bateri (BMS)nkuko bifasha kumenya ingufu zisigaye, gucunga imikoreshereze ya batiri, nakugenzura uburyo bwo kwishyuza no gusohora inzira, bityo ukongerera igihe cya bateri.

Uburyo bubiri bwingenzi bukoreshwa mukubara SOC nuburyo bwo guhuza hamwe nuburyo bwo gufungura amashanyarazi. Byombi bifite ibyiza n'ibibi, kandi buriwese atangiza amakosa amwe. Kubwibyo, mubikorwa bifatika, ubu buryo bukunze guhuzwa kugirango tunoze neza.

 

1. Uburyo bwo Kwishyira hamwe

Uburyo bwo kwishyira hamwe burimo kubara SOC muguhuza amafaranga no gusohora amashanyarazi. Ibyiza byayo biri mubworoshye, ntibisaba kalibrasi. Intambwe nizi zikurikira:

1. Andika SOC mugitangira kwishyuza cyangwa gusohora.
2. Gupima ikigezweho mugihe cyo kwishyuza no gusohora.
3. Huza ikigezweho kugirango ubone impinduka zishinzwe.
4. Kubara SOC y'ubu ukoresheje SOC ibanza no guhindura amafaranga.

Inzira ni:

SOC = intangiriro ya SOC + Q∫ (I⋅dt)

heNubu, Q nubushobozi bwa bateri, na dt nigihe cyigihe.

Ni ngombwa kumenya ko kubera kurwanya imbere nizindi mpamvu, uburyo bwo guhuza ubu bufite urwego rwamakosa. Byongeye kandi, bisaba igihe kirekire cyo kwishyuza no gusohora kugirango ugere kubisubizo nyabyo.

 

2. Gufungura-Umuzunguruko wa Voltage Uburyo

Uburyo bwo gufungura amashanyarazi (OCV) kubara SOC mugupima ingufu za bateri mugihe nta mutwaro. Ubworoherane bwayo ninyungu zingenzi kuko bidasaba gupima ubungubu. Intambwe ni:

1. Shiraho umubano hagati ya SOC na OCV ukurikije moderi ya bateri hamwe namakuru yakozwe.
2. Gupima OCV ya batiri.
3. Kubara SOC ukoresheje umubano wa SOC-OCV.

Menya ko umurongo wa SOC-OCV uhinduka hamwe nimikoreshereze ya bateri nigihe cyo kubaho, bisaba kalibrasi yigihe kugirango ikomeze neza. Kurwanya imbere nabyo bigira ingaruka kuri ubu buryo, kandi amakosa arakomeye cyane kuri reta zisohoka.

 

3. Guhuriza hamwe Kwishyira hamwe nuburyo bwa OCV

Kunoza ukuri, uburyo bwo guhuza hamwe nuburyo bwa OCV burahuzwa. Intambwe zubu buryo ni:

1. Koresha uburyo bwo kwishyira hamwe kugirango ukurikirane kwishyuza no gusohora, kubona SOC1.
2. Gupima OCV hanyuma ukoreshe umubano wa SOC-OCV kubara SOC2.
3. Huza SOC1 na SOC2 kugirango ubone SOC yanyuma.

Inzira ni:

SOC = k1⋅SOC1 + k2⋅SOC2

hek1 na k2 ni coefficient yuburemere igera kuri 1. Guhitamo coefficient biterwa nikoreshwa rya bateri, igihe cyo kugerageza, nukuri. Mubisanzwe, k1 nini murwego rwo kwishyuza / gusohora ibizamini birebire, na k2 nini kubipimo byiza bya OCV.

Guhindura no gukosora birakenewe kugirango hamenyekane neza mugihe uhuza uburyo, kuko kurwanya imbere nubushyuhe nabyo bigira ingaruka kubisubizo.

 

Umwanzuro

Uburyo bwo guhuza ubu hamwe nuburyo bwa OCV nubuhanga bwibanze bwo kubara SOC, buriwese ufite ibyiza n'ibibi. Guhuza uburyo bwombi birashobora kongera ukuri no kwizerwa. Ariko, kalibrasi no gukosora nibyingenzi kugirango hamenyekane neza SOC.