Amabhethri elanga lasekhayaibe yindinganiso yezinhlelo zamandla we-PV, futhi uma uhlelo lwakho lokugcina olukhethwe ngokucophelela lungasebenzi kahle futhi aluhambisani nezici zesistimu ye-PV, ngakho-ke kuba ukutshalwa kwezimali okubi, okungenanzuzo futhi ulahlekelwa imali eyengeziwe.Abantu abaningi, bafaka amabhethri e-lithium amandla elanga ngenjongo eyodwa yokwenza ukonga kanye nesistimu ye-PV, kodwa ngokuvamile ayisetshenziswa ngendlela efanele ngenxa yokuthi abanye abakhiqizi noma izinhlobo zebhethri ziphakamisa imikhiqizo enezici ezingafaneleki.Kodwa yiziphi izici okufanele ibhethri lelanga lasekhaya libe nalo ukuze lisebenze kahle? Yini okufanele ugxile kuyo lapho ukhetha uhlelo lokugcina ukuze ugweme ukuchitha imali? Ake sithole ndawonye kulesi sihloko.Amandla Ebhethri Lelanga LasekhayaNgencazelo, umsebenzi webhethri ye-lithium yamandla elanga ukugcina amandla angaphezu kwamandla akhiqizwa uhlelo lwe-photovoltaic phakathi nosuku ukuze lusetshenziswe ngokushesha uma uhlelo lungasakwazi ukukhiqiza amandla anele ukunika amandla umthwalo wasekhaya.Ugesi wamahhala okhiqizwa yilesi simiso sebhethri lelanga lasekhaya udlula endlini, unika amandla izinto zikagesi ezinjengeziqandisi, imishini yokuwasha namaphampu okushisa, bese ufakwa kugridi.Ibhethri lelanga lasekhaya lenza kube nokwenzeka ukubuyisela lawa mandla adlulele, ebengase acishe anikezwe umbuso, futhi uwasebenzise ebusuku, ukugwema isidingo sokudonsa amandla engeziwe ngenkokhelo.Ezindlini lapho igesi yemvelo ingasebenzi, yonke into idinga ukusebenza ngogesi, ngakho amabhethri elanga asekhaya abalulekile.Umkhawulo kuphela uma usayizi wesistimu ye-PV ingu.- Isikhala sophahla- Isabelomali esitholakalayo- Uhlobo lwesistimu (isigaba esisodwa noma isigaba sesithathu)Emabhethri elanga asekhaya, ukulinganisa kubalulekile.Uma sikhulu umthamo webhethri lelanga lasekhaya, sikhulu inani eliphezulu lemali esetshenziswayo kanye nokonga “okuzenzekele” okukhiqizwa uhlelo lwe-PV.Ukulinganisa okufanele, ngivame ukuncoma isistimu enosayizi ophindwe kabili kunomthamo wesistimu ye-PV.Ingabe unaso isistimu yelanga engu-5kW? Bese umqondo wukuhamba nebhethri elingu-10kWh.Isistimu engu-10 kW? 20 kWh ibhethri.Njalo njalo…Lokhu kungenxa yokuthi ebusika, lapho isidingo sikagesi siphezulu, isistimu ye-PV engu-1 kW ikhiqiza cishe u-3 kWh wamandla.Uma ngokwesilinganiso i-1/3 yala mandla imuncwa izinto zikagesi zasendlini ukuze zizisebenzisele yona, 2/3 ifakwa kugridi. Ngakho-ke, izikhathi ezi-2 ubukhulu besistimu ziyadingeka ukuze kugcinwe.Entwasahlobo nasehlobo, uhlelo lukhiqiza amandla amaningi, kodwa amandla amuncwa awakhuli ngokufanele.Umthamo uyinombolo nje, futhi imithetho yokunquma usayizi webhethri iyashesha futhi kulula, njengoba ngisanda kukubonisa. Kodwa-ke, amapharamitha amabili alandelayo anobuchwepheshe futhi abaluleke kakhulu kulabo abafuna ngempela ukuqonda ukuthi bangakuthola kanjani okulingana kahle kakhulu.Ukushaja kanye nokukhipha AmandlaKuzwakala kungavamile, kodwa ibhethri kufanele ishajwe futhi ikhishwe, futhi ukuze wenze lokhu ine-bottleneck, umkhawulo, okungamandla alindelekile futhi alawulwa yi-inverter.Uma uhlelo lwami luphakela ama-kW angu-5 kugridi, kodwa amabhethri eshaja kuphela u-2.5 kW, ngisamosha amandla ngoba u-50% wamandla ufakwa futhi awugcinwa.Uma nje amabhethri elanga asekhaya eshajwa ayikho inkinga, kodwa uma amabhethri ami efile futhi uhlelo lukhiqiza kancane kakhulu (ebusika), amandla alahlekile asho imali elahlekile.Ngakho ngithola ama-imeyili avela kubantu abanamabhethri angu-10 kW, 20 kWh amabhethri (alinganiswe ngendlela efanele), kodwa inverter ingakwazi ukuphatha u-2.5 kW wokushaja kuphela.Amandla okushaja/okuchitha nawo athinta ngokuzenzakalelayo isikhathi sokushaja sebhethri.Uma kufanele ngishaje ibhethri engu-20 kWh enamandla angu-2.5 kW, kungithatha amahora angu-8. Uma esikhundleni sika-2.5 kW, ngishaja ngo-5 kW, kungithatha ingxenye yaleso sikhathi. Ngakho ukhokhela ibhethri elikhulu, kodwa ungase ungakwazi ukulishaja, hhayi ngoba uhlelo alukhiqizi ngokwanele, kodwa ngenxa yokuthi i-inverter ihamba kancane kakhulu.Lokhu kuvame ukwenzeka ngemikhiqizo "ehlanganisiwe", ngakho labo enginayo inverter ezinikele ukufanisa imojuli yebhethri, ukucushwa kwayo kuvame ukujabulela lokhu kukhawulelwa kwesakhiwo.Amandla wokushaja/wokukhipha nawo ayisici esibalulekile sokuxhaphaza ngokugcwele ibhethri phakathi nezikhathi zokufunwa kakhulu.Kusebusika, ngo-8pm, futhi indlu ijabule: iphaneli yokungenisa igesi isebenza ku-2 kW, iphampu yokushisa iphusha i-heater ukuze idonse enye i-2 kW, ifriji, i-TV, izibani nezinye izinto ezisetshenziswayo zisathatha i-1 kW kuwe, futhi ubani owaziyo, mhlawumbe unemoto eshajayo kagesi, kodwa ake siyikhiphe ku-equation okwamanje.Ngokusobala, ngaphansi kwalezi zimo, amandla e-photovoltaic awakhiqizwa, unamabhethri ukushaja, kodwa awukho ngempela "ukuzimela okwesikhashana" ngoba uma indlu yakho idinga i-5 kW futhi amabhethri ahlinzeka ngo-2.5 kW kuphela, lokhu kusho ukuthi u-50% wamandla usathatha kugridi futhi uyayikhokhela.Uyayibona indida?Umkhiqizi uncoma i-solar yasekhaya engalungile kuwe, kodwa uyithenge noma kunjalo ngoba awuqaphelanga isici esibalulekile noma, cishe, umuntu okuhlinzeke ngomkhiqizo ukunikeze isistimu eshibhe kakhulu lapho angenza khona imali eningi ngaphandle kokukunikeza ulwazi olufanele.Ah, cishe akazazi lezi zinto.Okuxhunywe emandleni okushaja/okuchitha ukuvula amabakaki engxoxo yesigaba esi-3/isigaba esisodwa ngoba amanye amabhethri, isibonelo, amabhethri angu-2 e-BSLBATT Powerwall awakwazi ukufakwa kusistimu yesigaba esisodwa ngenxa yokuthi amandla amabili aphumayo ayahlangana. (10+10=20) ukuze ufinyelele amandla adingekayo ezigabeni ezintathu.Manje, ake sidlulele kupharamitha yesithathu okufanele siyicabangele lapho sikhetha ibhethri lelanga lasekhaya: uhlobo lwamabhethri elanga lasekhaya.Uhlobo Lwebhethri Yelanga LasekhayaQaphela ukuthi le pharamitha yesithathu “ingokuvamile” kakhulu kokuthathu kwethulwa, njengoba ihlanganisa izici eziningi okufanele zicatshangelwe, kodwa zingeyesibili kumapharamitha amabili okuqala asanda kwethulwa.Ukuhlukaniswa kwethu kokuqala kobuchwepheshe bokugcina kusendaweni yayo ekhuphukayo. I-AC-alternating noma i-DC-continuous.Isibuyekezo esincane esiyisisekelo.- Iphaneli yebhethri ikhiqiza amandla e-DC- Umsebenzi we-inverter yesistimu ukuguqula amandla akhiqizwe kusuka ku-DC kuya ku-AC, ngokuvumelana nemingcele yegridi echaziwe, ngakho-ke uhlelo lwesigaba esisodwa luyi-230V, 50/60 Hz.- Le ngxoxo inokusebenza kahle, ngakho-ke sinephesenti elincane noma elincane lokuvuza, okungukuthi "ukulahlekelwa" kwamandla, esimweni sethu sithatha ukusebenza kahle okungama-98%.- Ibhethri ye-lithium yamandla elanga namandla e-DC, hhayi amandla e-AC.Ingabe konke lokho kucacile? Kahle...Uma ibhethri lisohlangothini lwe-DC, ngakho-ke ku-DC, i-inverter izoba nomsebenzi wokuguqula amandla wangempela akhiqizwa futhi asetshenziswe, ukudlulisa amandla aqhubekayo esistimu ngqo ebhethri - akukho ukuguqulwa.Ngakolunye uhlangothi, uma ibhethri lisohlangothini lwe-AC, sinezikhathi ezingu-3 inani lokuguqulwa i-inverter enalo.- Ama-98% okuqala ukusuka esitshalweni kuya kugridi- Eyesibili ishaja isuka ku-AC iye ku-DC, inikeze ukusebenza kahle kwama-96%.- Ukuguqulwa kwesithathu kusuka ku-DC kuya ku-AC ukuze kukhishwe, okuholela ekusebenzeni kahle okuphelele kwe-94% (kuthatha ukusebenza kahle okuqhubekayo kwe-98% ye-inverter, ngaphandle kokucabangela ukulahlekelwa kwenqubo yokushaja nokukhipha, ekhona kuzo zombili izimo).Manje kubalulekile ukuveza ukuthi ukuphambana kwalobu buchwepheshe obubili ngokuyinhloko kuyisinqumo sokufaka amabhethri okugcina amandla ngenkathi kwakhiwa uhlelo lwe-PV, njengoba ubuchwepheshe obusohlangothini lwe-AC yibo obusetshenziswa kakhulu lapho kufakwa kabusha, okungukuthi ukufaka amabhethri ohlelweni olukhona. , njengoba zingadingi izinguquko ezibalulekile ohlelweni lwe-PV.Esinye isici okufanele sicatshangelwe uma kuziwa ohlotsheni lwebhethri ikhemistri ekwisitoreji.Noma ngabe i-LiFePo4, i-lithium ion ehlanzekile, usawoti, njll., inkampani ngayinye inamalungelo obunikazi, isu layo.Yini okufanele siyibheke? Iyiphi ongakhetha?Kulula: inkampani ngayinye itshala izigidi ocwaningweni namalungelo obunikazi ngomgomo olula wokuthola ibhalansi engcono kakhulu phakathi kwezindleko, ukusebenza kahle nesiqiniseko. Uma kuziwa kumabhethri, lokhu kungenye yezici ezibaluleke kakhulu: isiqinisekiso sokuqina nokusebenza komthamo wokugcina.Ngakho-ke isiqinisekiso siba ipharamitha yengozi "yobuchwepheshe" obusetshenzisiwe.Ibhethri lelanga lasekhaya liyisisetshenziswa, njengoba sishilo, sisebenzela ukusebenzisa kangcono uhlelo lwe-PV kanye nokwenza ukonga ekhaya.Uma ingekho, kufanele uphile noma kunjalo!Ngemuva kokubekezelela iminyaka eyi-10, izinzuzo ezingama-70% zisekhona futhi noma ziphuka, asikho isidingo sokuyishintsha ngoba eminyakeni emi-5, eyi-10 noma eyi-15, umhlaba ungaba yindawo ehluke ngokuphelele.Ungakugwema kanjani ukwenza amaphutha?Kalula nje, ngokuphendukela ngokushesha kubantu abaqeqeshiwe, abanolwazi abazohlala bebeka ikhasimende enkabeni yephrojekthi, hhayi izithakazelo zabo siqu.Uma udinga ukusekelwa okwengeziwe, ikhaya lethu le-BSLBATTumenzi webhethri yelangangokuqinisekile isemandleni akho ukukuqondisa ekukhetheni umkhiqizo ofaneleka kakhulu wekhaya lakho.
Isikhathi sokuthumela: May-08-2024