Ukusebenza kakuhle kwezikhululo zokutshaja zeSolar BESS ezisebenza kuzo zonke iindawo

Impendulo ekhawulezileyo

Isikhululo sokutshaja se-BESS selanga esisebenza kuzo zonke izinto sidibanisa ukuveliswa kwe-photovoltaic, ukugcinwa kwebhetri, kunye nokutshaja kwe-EV kwinkqubo enye eyenziwe ngobunjineli, kwaye ukusebenza kwayo kuqondwa ngcono ukusuka ekuqaleni ukuya ekupheleni: ukukhanya kwelanga ukuya kumavili. Uyilo oludibeneyo lwanamhlanje lufezekisa ukusebenza kakuhle kwe-DC ukusuka kwi-solar ukuya kwibhetri ye-95–98%, ukusebenza kakuhle kwebhetri ukuya nokubuya kwe-93–96% ngeeseli ze-LFP ezipholisiweyo ngolwelo, kunye nokusebenza kakuhle kokuhanjiswa kokutshaja kwe-96–98% kwibhasi ye-DC - ukusebenza kakuhle kwe-solar ukuya kwisithuthi kwe-75–85% kuxhomekeke kuyilo lokudibanisa. Inzuzo ebalulekileyo yefomathi edibeneyo ayilorekhodi yecandelo elinye kodwa kukususwa kokulahleka kokuguqulwa, iindawo eziphindaphindwayo, kunye nolawulo olungahambelaniyo oluchaphazela i-PV, indawo yokugcina, kunye neetshaja ezifumaneka ngokwahlukeneyo. Kubanini besiza bethelekisa ubuchwepheshe, i-metric ebalulekileyo yi-kWh yamandla avuselelekayo aziswa kwizithuthi nge-kW nganye efakiweyo - kwaye iinkqubo ezidibeneyo ziphumelela kuloo metric.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Izitishi zokutshaja ze-BESS zelanga ezisebenza kuzo zonke izixhobo ziguqula ukukhanya kwelanga kube ngamandla esithuthi nge-75–85% yokusebenza kakuhle ukusuka ekuqaleni ukuya ekupheleni, okulawulwa kukujikeleza kwebhetri kunye nokulahleka kwe-inverter.
• Uyilo oludibeneyo lwe-DC lugcina iipesenti ezi-3–7 zokusebenza kakuhle xa kuthelekiswa nezinye iindlela ezidibeneyo ze-AC ngokuphelisa ukuguqulwa kabini.
• Ulawulo oludibeneyo lobushushu (ukupholisa ulwelo kwibhetri nakwi-elektroniki yamandla) kuphakamisa ukusebenza kakuhle okuqhubekekayo kwaye kwandisa ubomi bezinto.
• Umthengisi omnye, inkqubo yolawulo enye, iphakheji yesatifikethi enye: ukuhlanganiswa kunciphisa iindleko zobunjineli, ukufakela, kunye nokufaka izixhobo nge-15–30% eqikelelwayo xa kuthelekiswa neenkqubo zabathengisi abaninzi.
• Ulawulo lwamandla olukrelekrele lubeka phambili ukusetyenziswa kwamandla elanga, ukunciphisa ukuthengwa kwegridi kunye nokuhambelana nemiyalelo ye-EU, i-US, kunye ne-Asia.

Yintoni iSitishi sokutshaja seSolar BESS esisebenza kuzo zonke iindawo?

Khawucinge ngesitishi sokuphumla kwindlela enkulu emazantsi eFransi. Iindawo zokutshaja ezisibhozo ziphantsi kwekhava yelanga. Emva kwezi ndawo kukho indawo encinci ebiyelweyo - malunga nomgangatho weekhonteyina ezimbini zokuhambisa - equlethe iibhetri, izixhobo zokuguqula umbane, kunye neeluphu zokupholisa ulwelo. Umenzi omnye unikezele ngenkqubo yonke, umlawuli omnye ulungelelanisa yonke indlela yamandla, kwaye iqela elinye eliyilawuli liyiqalile kwiveki enye.

Leyo yingcamango ehambelanayo: ukuveliswa kwe-PV, ukugcinwa kwebhetri, kunye nokutshaja ngokukhawuleza kwe-DC kuhanjiswa njengemveliso enye eqinisekisiweyo endaweni yeenkqubo ezintathu ezidityanisiweyo kwindawo. Imarike ihambele phambili ngokuzimisela kweli cala. Abaqhubi benethiwekhi yokusasaza baya kunciphisa amandla oqhagamshelo kwiindawo ezintsha zokutshaja, kwaye abanini beendawo bafumanise ukuba uyilo oludibeneyo lwe-solar-plus-storage lubavumela ukuba bakhonze izithuthi ezingaphezulu nge-kilowatt nganye yoqhagamshelo lwegridi. Kwangaxeshanye, iirekhodi zokusebenza kakuhle kwinqanaba lecandelo azibalulekanga kangako kunoqoqosho lwamandla kwinqanaba lenkqubo - apho kanye ukuhlanganiswa kuphumelela khona.

Apho Ukusebenza Kakuhle Kuphunyezwa Kuze Kulahleke

Yonke inguqu yamandla kwikhonkco ilahlekelwa bubushushu obuncinci. Ukuqonda ilahleko kukuxelela apho umele ufune khona ubunjineli obungcono:

Kuvela iimbono ezimbini kule theyibhile. Okokuqala, iphaneli ye-PV ngokwayo ilawula uhlahlo-lwabiwo mali lokulahleka - kodwa loo lahleko yinto ebonakalayo kwaye ayinakuphepheka kwinqanaba lemodyuli. Okwesibini, phakathi kokulahlekelwa okulawulekayo, uhambo lwebhetri oluya nokubuya kunye noyilo lokuguqulwa kulapho izigqibo zobunjineli zibaluleke kakhulu khona. Inkqubo edibeneyo ye-DC etshaja ibhetri ngqo kwi-PV array kwaye ikhuphele ngqo kwibhasi ye-DC yetshaja ithintela ukuguqulwa okugcweleyo kabini okwenziwa nguyilo oludibeneyo lwe-AC. Ezo nguqulelo zithintelweyo zixabisa iipesenti ezi-3–7 zokusebenza kakuhle ukusuka ekuqaleni ukuya ekupheleni - amawaka e-kWh ngonyaka kwindawo exakekileyo.

Ukusebenza kakuhle kohambo olujikelezayo kunye noyilo lokudibanisa

Eyona nkcazelo ibalulekileyo yesikhululo sokutshaja se-BESS selanga kukusebenza kakuhle kwebhetri ukuya nokubuya (RTE): iqhekeza lamandla afakwa kwibhetri ebuyayo. Ikhemistri ye-LFP kwiinkqubo zanamhlanje ezipholileyo ngolwelo inika i-93–96% RTE kumazinga okutshaja kunye nokukhutshelwa ngaphandle kwe-0.5C. Inkqubo yokupholisa ibaluleke kakhulu njengekhemistri: i-10 °C nganye yobushushu beseli inyuka ngaphezu kweyona ifanelekileyo ikhawulezisa ukukhula kokumelana kwangaphakathi kwaye itya i-RTE.

I-AC-Coupled vs DC-Coupled vs Hybrid

Kwizakhiwo ezintsha ezinelanga kunye nendawo yokugcina izinto ezidityanisiweyo, i-DC coupling yeyona ndlela iphambili yokusebenza kakuhle. Ikwanciphisa inani le-inverter — amandla e-elektroniki ambalwa, ubushushu obuncinci, imithwalo ephantsi yokuncedisa, ukuthembeka okuphezulu. I-AC coupling igcina indima ekuhlengahlengiseni apho iitshaja ze-AC ezikhoyo kufuneka zisetyenziswe kwakhona, kodwa isohlwayo sokusebenza kakuhle siyinyani kwaye kufuneka silinganiswe kwimeko yeshishini.

Ukuzisebenzisa: Ukusebenza kakuhle okubonakala kwiBhili

Eyona ndlela iluncedo kakhulu yokulinganisa ukusebenza kakuhle kwesikhululo sokutshaja se-BESS selanga asiyo-laboratory RTE kodwa lizinga lokuzisebenzisa ngokwakho: isabelo sokuveliswa kwelanga esisetyenziswa kwindawo endaweni yokuthunyelwa kwamanye amazwe. Isikhululo esizisebenzisa ngokwaso ngama-85% sithenga amandla egridi aphantsi kakhulu kunesinye esithumela kwamanye amazwe emini size singenise ebusuku.

Iinkqubo zolawulo lwamandla zanamhlanje (i-EMS) zikwazi ukuzisebenzisa kakhulu, zinemisebenzi emine edibeneyo:

1. Ukubaluleka kwe-PV ngqo ukusuka kwisithuthi— amandla elanga kuqala kwiitshaja, ngexesha langempela. 2.Ibhetri njenge-buffer— i-solar engaphezulu itshaja ibhetri endaweni yokuba ithunyelwe ngaphandle. 3.Ukuthambisa ukungenisa igridi— ibhetri igubungela umsantsa xa i-solar ihla ngaphantsi kwemfuno yokutshaja, ibambe igridi itsale kwinqanaba eliphantsi nelingaguquguqukiyo. 4.Ulwazi ngexesha lokusetyenziswa— ukukhutshwa kwamandla ebhetri agqithisileyo ngexesha leentlawulo eziphezulu, kungekhona ngenxa yokukhupha.

Abaqhubi baxela ukuba ulawulo oludibeneyo lwe-EMS lunyusa ukusetyenziswa kwezixhobo ngamanqaku eepesenti ezili-15–25 xa kuthelekiswa neenkqubo zamacandelo ahlukeneyo, kuba umlawuli ubona imveliso ye-PV, i-SOC yebhetri, kunye nemfuno yetshaja ngaxeshanye.

I-Capex kunye ne-Opex: Oko Kugcinwa Yintsebenziswano

Ukonga okuhlanganisiweyo kudla ngokungathathelwa ngqalelo kuba kusasazeka kulo lonke ukuthengwa, ukufakwa, kunye nemisebenzi - yiyo loo nto abaqhubi abavavanya [uyilo lwesitishi sokutshaja se-BESS selanga esidibeneyo](https://www.midapower.com/) kufuneka babonise ixabiso elipheleleyo elifakiweyo, hayi amaxabiso ezinto:

Le ndlela iyafana: ukuhlanganiswa kususa ubunjineli obuphindaphindwayo, izixhobo zokuguqula ezingafunekiyo, kunye nee-interfaces ezibiza imali ukuyila, ukufakela, kunye nokugcina. Kwindawo yeklasi enye ye-MW, ukonga okubhaliweyo kweendleko zokuqala ze-15–30% kuyinto eqhelekileyo, kwaye ukonga kwe-O&M ngonyaka kuyinxalenye yobomi benkqubo beminyaka eli-15–20.

Iprofayili Yokusebenza Yehlabathi Lokwenyani

Cinga ngesikhululo sokutshaja se-BESS selanga esinikezela ngeetshaja ze-DC ze-6 × 180 kW kwindawo yenkonzo yendlela eSpain:

• Ikhava yelanga: 400 kWp, ivelisa ~600 MWh ngonyaka.
• I-BESS: I-LFP epholisiweyo lulwelo engama-600 kWh, ubomi boyilo lweemijikelo ezili-10,000.
• Uqhagamshelo lwegridi: 250 kVA — malunga ne-40% yento efunekayo kwiitshaja ezintandathu ze-180 kW ngaphandle kwendawo yokugcina.
• Iprofayili yemihla ngemihla: iincopho zelanga kwi-300 kW ngentsimbi ye-14:00; imfuno yokutshaja incopho kwi-500 kW ngentsimbi ye-19:00. Ibhetri itshaja ngenxa yobuninzi belanga emva kwemini kwaye ixhasa incopho yangokuhlwa, ngelixa igridi itsala ingadluli kwi-180 kW.

Kwisithuba sonyaka, le phrofayili inika malunga ne-1,100 MWh yamandla okutshaja, apho malunga ne-45% ivela kwinkqubo yokugcina amandla elanga kwaye enye ivela kwigridi ngamazinga angekho phezulu. Ixabiso lamandla elisebenzayo lomqhubi nge-kWh nganye ehanjiswayo lingaphantsi kwama-30–50% ngaphantsi kwendawo yereferensi yegridi kuphela, ngaphambi kokubala ukonga kwentlawulo yemfuno.

Imigangatho, uKhuseleko, kunye noBomi obude

Inkqubo yonke-kwinye igxila kwiiteknoloji ezintathu ezilawulwayo kwindawo enye, ngoko ke ububanzi besatifikethi bubalulekile:

• Ukhuseleko lokugcinaUvavanyo lomlilo nobushushu oluvela kwi-UL 9540A / IEC 62933, kunye nokupholisa ulwelo njengesithintelo esiphambili sobushushu.
• I-interface yokutshaja: IEC 61851, ISO 15118 (Plug & Charge), kunye ne-OCPP 2.0.1 yokudibanisa inethiwekhi.
• Ilanga kunye nombane: IEC 61215 yeemodyuli, IEC 62109 yokhuseleko lwe-inverter.
• Ikhowudi yegridi: iimfuno zonxibelelwano lwengingqi kuzo zombini iindlela zokusebenza ezilinganiselweyo zokuthumela ngaphandle kunye neendlela zokuthumela ngaphandle ezingenanto.

Iipakethi zebhetri ezipholisiweyo ngolwelo zigcina ubushushu obufanayo phakathi kweseli neseli ngaphakathi kwe-±2 °C, nto leyo eyintloko yobomi boyilo lwemijikelo eli-10,000 kunye ne-RTE ehambelanayo unyaka nonyaka. Iipakethi ezipholisiweyo ngomoya, ngokwahlukileyo, zihlala zibona i-gradients ye-5–8 °C kuyo yonke ipakethi, zikhawulezisa ukuguga kweeseli ezishushu kwaye zitsalela ukusebenza kakuhle kwenkqubo ekuhambeni kwexesha.

Isiphelo

Ukusebenza kakuhle kwesikhululo sokutshaja se-BESS selanga esisebenza kuzo zonke izinto yipropathi yenkqubo, hayi i-component spec. I-DC coupling, i-LFP yokugcina ulwelo epholileyo, kunye nolawulo oludibeneyo lwe-EMS zidibene ukunika ukusebenza kakuhle kwe-75-85% yelanga ukuya kwisithuthi, amazinga okuzisebenzisa angaphezulu kwe-80%, kunye nokonga kwexabiso lokuqala kwe-15-30% xa kuthelekiswa nokwakhiwa kwabathengisi abaninzi. Kubaqhubi beendlela, iinqanawa, kunye nabanini bezindlu zorhwebo abavavanya ukutshaja kwelanga kwindawo, ifomathi edibeneyo yimpendulo yobunjineli ekhuselweyo: ukuguqulwa okumbalwa, ii-interfaces ezimbalwa, iindlela zokusilela ezimbalwa, kunye nemeko engcono yeshishini. Hlola [ulungiselelo lwenkqubo yokutshaja ye-BESS yelanga](https://www.midapower.com/) kunye [nolawulo oludibeneyo lwamandla](https://www.midapower.com/) ukuze ufumane imodeli yokusebenza ethile yesiza.

FAQ

1. Ingakanani indlela esebenza ngayo isikhululo sokutshaja se-BESS selanga?Ukusebenza kakuhle kokukhanya kwelanga ukusuka ekuqaleni ukuya ekupheleni kwesithuthi kudla ngokuba yi-75–85%. Eyona lahleko inkulu ingenakuphepheka kukuguqulwa kwemodyuli ye-PV; ilahleko ezilawulekayo ziyancitshiswa nge-DC coupling kunye nokugcinwa kwe-LFP epholileyo ngolwelo.

2. Yintoni ukusebenza kakuhle kohambo oluya nokubuya kwi-BESS?Ukusebenza kakuhle kokubuyela umva yipesenti yamandla agcinwe kwibhetri abuyiselwa xa ekhutshwa. Iinkqubo ze-LFP zanamhlanje ezipholisiweyo lulwelo zifikelela kwi-93–96% RTE kumazinga aqhelekileyo e-0.5C.

3. Idibene ne-DC okanye idibene ne-AC: yeyiphi esebenza ngcono?Ukudibanisa kwe-DC kungama-3–7 ekhulwini amanqaku asebenza ngcono ukusuka ekuqaleni ukuya ekupheleni kuba amandla aguqulwa kube kanye endaweni kabini okanye kathathu. Ukudibanisa kwe-AC kuhlala kuluncedo kuphela ekulungiseni iitshaja ze-AC ezikhoyo.

4. Ndidinga amandla angakanani elanga kwisikhululo esisebenza kuzo zonke izixhobo?Umthetho oqhelekileyo yi-0.5–0.8 kWp ye-PV nge-kW yomthamo wokutshaja, kunye nebhetri enobukhulu obuyi-1–1.5 kWh nge-kW yomthamo wokutshaja — ehlengahlengisiweyo ngenxa yokukhanya kwendawo, iiprofayili zeseshoni, kunye nezivalo zegridi.

5. Ngaba isikhululo esisebenza kuzo zonke izixhobo sisafuna uqhagamshelo lwegridi?Ewe, phantse kuzo zonke iimeko. Ilanga kunye nendawo yokugcina izinto zinokugubungela isabelo esikhulu semfuno, kodwa igridi ibonelela ngobonelelo olusisiseko, ugutyungelwe ebusika nasebusuku, kunye nokuthotyelwa kwemithetho (umz., ukusebenza ngaphandle kokuthumela ngaphandle).

6. Zihlala ixesha elingakanani iiphaneli zelanga kunye neebhetri kule nkqubo?Iimodyuli ze-PV zinewaranti yokusebenza yeminyaka engama-25 ukuya kwengama-30; iibhetri ze-LFP ezipholisiweyo ngolwelo zenzelwe imijikelo eyi-8,000-10,000 (iminyaka eli-12 ukuya kwengama-20 yokutshaja), xa kuthelekiswa nemijikelo eyi-4,000-6,000 kwiipakethi eziqhelekileyo ezipholisiweyo ngomoya.

7. Zeziphi iziqinisekiso ekufuneka inkqubo yonke ibe nazo?I-UL 9540A/IEC 62933 (ukhuseleko lokugcina), i-IEC 61851 kunye ne-ISO 15118 (ukutshaja), i-IEC 61215/IEC 62109 (i-PV kunye ne-inverter), kunye nokuthobela ikhowudi yegridi yendawo — ingcono kakhulu ukuba ihanjiswe njengephakheji enye yesatifikethi evela kumthengisi omnye.