Indlela yokuTshaja iLifepo4 ibhetri ngokuKhuselekileyo?

Intshayelelo

Indlela yokuTshaja ngokuKhuselekileyo ibhetri yeLiFePO4? Iibhetri ze-LiFePO4 zifumene ingqwalasela ebalulekileyo ngenxa yokhuseleko oluphezulu, ubomi bomjikelo omde, kunye nokuxinana kwamandla aphezulu. Eli nqaku lijolise ekuboneleleni ngesikhokelo esibanzi malunga nendlela yokutshaja iibhetri ze-LiFePO4 ngokukhuselekileyo nangempumelelo ukuqinisekisa ukusebenza kakuhle kunye nokuphila ixesha elide.

Yintoni iLiFePO4?

Iibhetri ze-LiFePO4 zenziwe nge-lithium (Li), isinyithi (Fe), i-phosphorus (P), kunye ne-oxygen (O). Olu qulunqo lweekhemikhali lubanika ukhuseleko oluphezulu kunye nokuzinza, ngakumbi phantsi kwamaqondo okushisa aphezulu okanye iimeko zokugqithiswa.

Izinto eziluncedo kwiibhetri zeLiFePO4

Iibhetri ze-LiFePO4 zithandwa ngenxa yokhuseleko lwazo oluphezulu, ubomi bomjikelo omde (uhlala udlula imijikelo ye-2000), uxinano lwamandla aphezulu, kunye nobuhlobo bendalo. Xa kuthelekiswa nezinye iibhetri ze-lithium-ion, iibhetri ze-LiFePO4 zinezinga eliphantsi lokuzikhupha kwaye zifuna ukugcinwa okuncinci.

Iindlela zokuTshaja kwiibhetri zeLiFePO4

Ukutshaja ngeSola

Ukutshaja ngeSola iibhetri ze-LiFePO4 yindlela ezinzileyo kunye ne-eco-friendly. Ukusebenzisa umlawuli wentlawulo yelanga kunceda ngokufanelekileyo ukulawula amandla avelisiweyo ngamapaneli elanga, ukulawula inkqubo yokutshaja, kunye nokuqinisekisa ukuhanjiswa kwamandla aphezulu kwibhetri ye-LiFePO4. Esi sicelo silungele kakuhle ukuseta ngaphandle kwegridi, iindawo ezikude, kunye nezisombululo zamandla aluhlaza.

Ukutshaja kwamandla e-AC

Ukutshaja iibhetri ze-LiFePO4 usebenzisa amandla e-AC kunika ukuguquguquka kunye nokuthembeka. Ukwandisa ukutshaja ngamandla e-AC, kuyacetyiswa ukuba usebenzise isiguquli esixubileyo. Le inverter ayidibanisi kuphela isilawuli sentlawulo yelanga kodwa kunye netshaja ye-AC, evumela ukuba ibhetri ihlawulwe kuzo zombini ijenereyitha kunye negridi ngaxeshanye.

Itshaja yeDC-DC

Kwizicelo eziphathwayo ezinjengee-RV okanye iilori, itshaja ye-DC-DC eqhagamshelwe kwi-alternator ye-AC yesithuthi ingasetyenziselwa ukutshaja iibhetri ze-LiFePO4. Le ndlela iqinisekisa unikezelo lwamandla oluzinzileyo lwenkqubo yombane yesithuthi kunye nezixhobo ezincedisayo. Ukukhetha itshaja ye-DC-DC ehambelanayo nenkqubo yombane yesithuthi kubalulekile ekutshajiseni ngokufanelekileyo kunye nobomi bebhetri. Ukongeza, ukujongwa rhoqo kwetshaja kunye noqhagamshelo lwebhetri kubalulekile ukuqinisekisa ukutshaja okukhuselekileyo nokufanelekileyo.

Ukutshaja ii-algorithms kunye neeCurves zeLiFePO4

LiFePO4 Ijika lokutshaja

Kucetyiswa ngokubanzi ukusebenzisa i-CCCV (i-voltage eqhubekayo yangoku) indlela yokutshaja kwiipakethi zebhetri zeLiFePO4. Le ndlela yokutshaja iquka izigaba ezibini: ukutshaja ngokuqhubekayo (ukutshaja isambuku) kunye nokutshaja ombane rhoqo (ukutshaja kokufunxa). Ngokungafaniyo neebhetri ze-lead-asidi ezitywiniweyo, iibhetri ze-LiFePO4 azifuni nqanaba lokutshaja elidadayo ngenxa yomgangatho ophantsi wokuzikhupha.

I-Lead-Acid etywiniweyo (i-SLA) Ijika lokuTshaja ibhetri

Iibhetri ze-asidi ezitywiniweyo zihlala zisebenzisa i-algorithm yokutshaja enezigaba ezithathu: ikhoyo ngoku, i-voltage engaguqukiyo, kunye ne-float. Ngokwahlukileyo, iibhetri zeLiFePO4 azifuni nqanaba lokudada njengoko izinga lokuzikhupha lisezantsi.

Iimpawu zokutshaja kunye neSetingi

I-Voltage kunye neSetingi zangoku Ngexesha lokuTshaja

Ngexesha lenkqubo yokutshaja, ukuseta i-voltage kunye nangoku ngokuchanekileyo kubalulekile. Ngokusekwe kumthamo webhetri kunye neenkcukacha zomenzi, kuyacetyiswa ngokubanzi ukuba uhlawule phakathi koluhlu lwangoku lwe-0.5C ukuya kwi-1C.

ITheyibhile yokuTshaja yeLiFePO4

UkuTjaja iibhetri zeLiFePO4?

Kwizicelo ezisebenzayo, umbuzo oqhelekileyo uvela: ngaba iibhetri zeLiFePO4 zidinga ukutshaja okudadayo? Ukuba itshaja yakho iqhagamshelwe kumthwalo kwaye ufuna itshaja ibeke phambili ukunika amandla umthwalo kunokuphelisa ibhetri yeLiFePO4, ungayigcina ibhetri ikwinqanaba elithile leState of Charge (SOC) ngokuseta umbane odadayo (umz., ukuyigcina. kwi-13.30 volts xa ihlawuliswe kwi-80%).

Iingcebiso zoKhuseleko zokutshaja kunye neengcebiso

Iingcebiso malunga nokuTshaja ngokuFanayo i-LiFePO4

• Qinisekisa ukuba iibhetri zezohlobo olufanayo, uhlobo, kunye nobukhulu.
• Xa udibanisa iibhetri ze-LiFePO4 ngokufanayo, qinisekisa ukuba umehluko we-voltage phakathi kwebhetri nganye awudluli i-0.1V.
• Qinisekisa ukuba bonke ubude bekhebula kunye nobukhulu besinxibelelanisi buyafana ukuqinisekisa ukuxhathisa kwangaphakathi okungaguqukiyo.
• Xa utshaja iibhetri ngokuhambelanayo, umjelo wokutshaja ovela kumandla elanga unqanyulwe ngesiqingatha, ngelixa ubungakanani bokutshaja obuphezulu buphindwe kabini.

Iingcebiso kuthotho Ukutshaja LiFePO4

• Phambi kokutshaja kothotho, qinisekisa ukuba ibhetri nganye yolohlobo olufanayo, uphawu, kunye nomthamo.
• Xa udibanisa iibhetri ze-LiFePO4 kuthotho, qinisekisa ukuba umahluko wombane phakathi kwebhetri nganye awudluli kwi-50mV (0.05V).
• Ukuba kukho ukungalingani kwebhetri, apho nawaphi na amandla ombane ebhetri ahluke ngaphezu kwe-50mV (0.05V) kwamanye, ibhetri nganye kufuneka itshajwe ngokwahlukeneyo ukuze iphinde ilingane.

Iingcebiso zokuTshaja ngokuKhuselekileyo kwiLiFePO4

• Kuphephe ukuTshaja kakhulu kunye nokuTshaja ngokugqithisileyo: Ukuthintela ukusilela kwebhetri kwangethuba, akuyomfuneko ukutshaja ngokupheleleyo okanye ukukhupha ngokupheleleyo iibhetri zeLiFePO4. Ukugcina ibhetri phakathi kwe-20% kunye ne-80% ye-SOC (iState of Charge) yeyona ndlela ilungileyo, ukunciphisa uxinzelelo lwebhetri kunye nokwandisa ubomi bayo.
• Khetha iTshaja eLungileyo: Khetha itshaja eyenzelwe ngokukodwa iibhetri zeLiFePO4 ukuqinisekisa ukuhambelana kunye nokusebenza kokutshaja okugqwesileyo. Beka phambili iitshaja ezikwaziyo ukutshaja okuzinzileyo kwangoku kunye nokungagungqiyo kwamandla ombane ukutshaja okuzinzile kunye nokusebenza kakuhle.

ImiGaqo yoKhuseleko ngexesha lokuTshaja

• Qonda iiNgcaciso zoKhuseleko lweSixhobo sokuTjaja: Soloko uqinisekisa ukuba amandla ombane wokutshaja kunye nezangoku ziphakathi koluhlu olucetyiswa ngumenzi webhetri. Sebenzisa iitshaja ezinokhuseleko oluninzi, olufana nokhuseleko lwe-overcurrent, ukhuselo lobushushu obugqithisileyo, kunye nokhuseleko lwendlela emfutshane.
• Kuphephe Ukonakaliswa Koomatshini Ngexesha Lokutshaja: Qinisekisa ukuba uqhagamshelo lokutshaja lukhuselekile, kwaye uthintele umonakalo obonakalayo kwitshaja nebhetri, njengokuwisa, ukucudisa, okanye ukugoba ngaphezulu.
• Kuphephe ukuTshaja kubushushu obuphezulu okanye kwiMeko ezifumileyo: Amaqondo obushushu aphezulu kunye neendawo ezifumileyo zingonakalisa ibhetri kwaye zinciphise ukusebenza kakuhle kokutshaja.

Ukukhetha iTshaja eLungileyo

• Ungayikhetha njani itshaja elungele iibhetri zeLiFePO4: Khetha itshaja enesakhono sokutshaja sangoku kunye nesigxina sombane, kunye nohlengahlengiso lwangoku kunye nombane. Ukuqwalasela iimfuno zesicelo sakho, khetha umlinganiselo wokutshaja ofanelekileyo, ngokuqhelekileyo phakathi koluhlu lwe-0.5C ukuya kwi-1C.
• Itshaja ehambelanayo yangoku kunye neVoltage: Qinisekisa imveliso yangoku kunye nombane wetshaja uhambelana neengcebiso zomenzi webhetri. Sebenzisa iitshaja ezinemisebenzi yangoku kunye neyombane yokubonisa ukuze ukwazi ukujonga inkqubo yokutshaja ngexesha lokwenyani.

IiNdlela eziGqwesileyo zokuGcina iibhetri zeLiFePO4

• Rhoqo ukujonga ubume bebhetri kunye nezixhobo zokutshaja: Qwalasela umbane webhetri, ubushushu, kunye nenkangeleko, kwaye uqinisekise ukuba isixhobo sokutshaja sisebenza kakuhle. Hlola izihlanganisi zebhetri kunye neeleya zokugquma ukuqinisekisa ukuba akukho konakala okanye konakala.
• Ingcebiso yokugcina iibhetri: Xa ugcina iibhetri ixesha elide, kuyacetyiswa ukuba uhlawule ibhetri kwi-50% umthamo kwaye uyigcine kwindawo eyomileyo, epholileyo. Qwalasela inqanaba lokutshaja ibhetri kwaye uyitshaje kwakhona xa kukho imfuneko.

Imbuyekezo yoBubushushu beLiFePO4

Iibhetri zeLiFePO4 azifuni imbuyekezo yobushushu bombane xa utshaja kumaqondo obushushu aphezulu okanye aphantsi. Zonke iibhetri ze-LiFePO4 zixhotyiswe ngeNkqubo yoLawulo lweBattery eyakhelwe ngaphakathi (BMS) ekhusela ibhetri kwimiphumo yokushisa okuphantsi kunye nokuphezulu.

Ukugcinwa kunye noLondolozo lweXesha elide

Iingcebiso zokuGcina ixesha elide

• Imeko yokuTshaja kwebhetri: Xa ugcina iibhetri ze-LiFePO4 ixesha elide, kuyacetyiswa ukuba uhlawule ibhetri kumthamo we-50%. Le meko inokuthintela ibhetri ekukhutshweni ngokupheleleyo kunye nokunciphisa uxinzelelo lokutshaja, ngokwenjenjalo bandise ubomi bebhetri.
• Indawo yogcino: Khetha indawo eyomileyo nepholileyo yokugcina. Kuphephe ukubeka ibhetri kubushushu obuphezulu okanye iimeko zokufuma, ezinokuthi zithobe ukusebenza kwebhetri kunye nexesha lokuphila.
• Ukutshaja rhoqo: Ngexesha lokugcinwa kwexesha elide, kuyacetyiswa ukuba wenze intlawulo yokugcina ibhetri rhoqo emva kweenyanga ezi-3-6 ukugcina intlawulo yebhetri kunye nempilo.

Ukutshintsha iibhetri zeLead-Acid ezitywiniweyo kunye neLiFePO4 ibhetri kwiiAplikheyishini zeFloat

• Ixabiso lokuzikhupha: Iibhetri zeLiFePO4 zinezinga eliphantsi lokuzikhupha, oku kuthetha ukuba balahlekelwa yintlawulo encinci ngexesha lokugcinwa. Xa kuthelekiswa neebhetri ze-lead-asidi ezitywiniweyo, zifaneleke ngcono kwizicelo zexesha elide lokudada.
• Cycle Life: Ubomi bomjikelo weebhetri ze-LiFePO4 ngokuqhelekileyo zide kuneebhetri ze-lead-asidi ezitywiniweyo, zibenza zibe lukhetho olufanelekileyo lwezicelo ezifuna umthombo wamandla othembekileyo nowomeleleyo.
• Uzinzo lokusebenza: Xa kuthelekiswa neebhetri ze-lead-acid ezitywiniweyo, iibhetri ze-LiFePO4 zibonisa ukusebenza okuzinzile phantsi kobushushu obuhlukeneyo kunye neemeko zokusingqongileyo, okwenza zibe zibalaseleyo kwizicelo ezahlukeneyo, ngokukodwa kwiindawo ezifuna ukusebenza kakuhle kunye nokuthembeka.
• Ukusebenza kweendleko: Nangona iindleko zokuqala zeebhetri ze-LiFePO4 zingaba phezulu, ngokuqwalasela ubomi babo obude kunye neemfuno zokugcinwa okuphantsi, ngokuqhelekileyo zineendleko eziphezulu kwixesha elide.

Imibuzo eqhelekileyo malunga nokuTshaja iibhetri zeLiFePO4

• Ngaba ndingayitshaja ibhetri ngokuthe ngqo ngephaneli yelanga?
  Akukhuthazwa ukuba uhlawulise ngokuthe ngqo ibhetri ngepaneli yelanga, njengoko amandla ombane ophumayo kunye nokukhoyo kwepaneli yelanga kunokwahluka ngamandla okukhanya kwelanga kunye ne-angle, enokugqithisa uluhlu lokutshaja kwebhetri ye-LiFePO4, ekhokelela ekutshajisweni okanye ekutshajisweni, okuchaphazela ibhetri. ukusebenza kunye nobomi.
• Ngaba itshaja etywiniweyo ye-asidi ye-lead-acid ingatshaja iibhetri ze-LiFePO4?
  Ewe, iitshaja ezitywiniweyo ze-lead-acid zingasetyenziselwa ukutshaja iibhetri zeLiFePO4. Nangona kunjalo, kubalulekile ukuqinisekisa ukuba i-voltage kunye noseto lwangoku luchanekile ukunqanda ukonakala okunokwenzeka kwebhetri.
• Zingaphi ii-amps endizidingayo ukubiza ibhetri yeLiFePO4?
  Umjelo wokutshaja kufuneka ube phakathi koluhlu lwe-0.5C ukuya kwi-1C ngokusekelwe kumthamo webhetri kunye neengcebiso zomenzi. Ngokomzekelo, ibhetri ye-100Ah LiFePO4, uluhlu lwangoku lokutshaja olucetyiswayo luyi-50A ukuya kwi-100A.
• Kuthatha ixesha elingakanani ukutshaja ibhetri yeLiFePO4?
  Ixesha lokutshaja lixhomekeke kumthamo webhetri, izinga lokutshaja, kunye nendlela yokutshaja. Ngokubanzi, usebenzisa elona xesha licetyiswayo lokutshaja, ixesha lokutshaja linokuqala ukusuka kwiiyure ezimbalwa ukuya kumashumi aliqela eeyure.
• Ndingasebenzisa itshaja ye-lead-asidi etywiniweyo ukutshaja iibhetri zeLiFePO4?
  Ewe, nje ukuba i-voltage kunye nezicwangciso zangoku zichanekile, iitshaja ezitywiniweyo ze-lead-acid zingasetyenziselwa ukutshaja iibhetri ze-LiFePO4. Nangona kunjalo, kubalulekile ukufunda ngononophelo izikhokelo zokutshaja ezibonelelwa ngumenzi webhetri phambi kokutshaja.
• Yintoni endimele ndiyinikele ingqalelo ngexesha lenkqubo yokutshaja?
  Ngethuba lenkqubo yokutshaja, ngaphandle kokuqinisekisa ukuba i-voltage kunye nezicwangciso zangoku zichanekile, jonga ngokusondeleyo isimo sebhetri, njenge-State of Charge (SOC) kunye ne-State of Health (SOH). Ukunqanda ukutshaja kakhulu kunye nokukhupha kakhulu kubalulekile kubomi bebhetri nakukhuseleko.
• Ngaba iibhetri zeLiFePO4 zifuna imbuyekezo yobushushu?
  Iibhetri zeLiFePO4 azifuni imbuyekezo yobushushu bombane xa utshaja kumaqondo obushushu aphezulu okanye aphantsi. Zonke iibhetri ze-LiFePO4 zixhotyiswe ngeNkqubo yoLawulo lweBattery eyakhelwe ngaphakathi (BMS) ekhusela ibhetri kwimiphumo yokushisa okuphantsi kunye nokuphezulu.
• Ubiza njani ngokukhuselekileyo iibhetri zeLiFePO4?
  Umsinga wokutshaja uxhomekeke kumthamo webhetri kunye neenkcukacha zomenzi. Kucetyiswa ngokubanzi ukusebenzisa umsinga wokutshaja ophakathi kwe-0.5C kunye ne-1C yomthamo webhetri. Kwiimeko zokutshaja ezihambelanayo, ubungakanani bokutshaja obuphezulu buyanda, kwaye umbane wokutshaja owenziwe ngelanga usasazwa ngokulinganayo, okukhokelela kwixabiso lokutshaja elincitshisiweyo kwibhetri nganye. Ke ngoko, uhlengahlengiso olusekwe kwinani leebhetri ezibandakanyekayo kunye neemfuno ezikhethekileyo zebhetri nganye zibalulekile.

Isiphelo:

Indlela yokutshaja ngokukhuselekileyo iibhetri ze-LiFePO4 ngumbuzo obalulekileyo ochaphazela ngokuthe ngqo ukusebenza kwebhetri, ixesha lokuphila, kunye nokhuseleko. Ngokusebenzisa iindlela ezichanekileyo zokutshaja, ngokulandela iingcebiso zomenzi, kunye nokugcina ibhetri rhoqo, unokuqinisekisa ukusebenza ngokufanelekileyo kunye nokhuseleko lweebhetri zeLiFePO4. Siyathemba ukuba eli nqaku likubonelele ngolwazi oluxabisekileyo kunye nesikhokelo esisebenzayo sokuqonda ngcono kunye nokusebenzisa iibhetri zeLiFePO4.