I-Photovoltaic kanye nesitoreji samandla, ukubeka kalula, inhlanganisela yokukhiqiza amandla elanga nokugcinwa kwebhethri. Njengoba umthamo oxhunywe kugridi ye-photovoltaic uba phezulu kakhulu, umthelela kugridi yamandla uyakhula, futhi isitoreji samandla sibhekene namathuba amakhulu okukhula.
I-Photovoltaics kanye nesitoreji samandla kunezinzuzo eziningi. Okokuqala, iqinisekisa ukunikezwa kwamandla okuzinzile futhi okuthembekile. Idivayisi yokugcina amandla ifana nebhethri elikhulu eligcina amandla elanga amaningi. Uma ilanga linganele noma isidingo sikagesi siphezulu, singanikeza amandla okuqinisekisa ukunikezwa kwamandla okuqhubekayo.
Okwesibili, ama-photovoltaics kanye nokugcinwa kwamandla nakho kungenza ukukhiqizwa kwamandla elanga ukonga kakhulu. Ngokuthuthukisa ukusebenza, kungavumela ugesi omningi ukuthi usetshenziswe wona ngokwawo futhi wehlise izindleko zokuthenga ugesi. Ngaphezu kwalokho, okokusebenza kokugcina amandla nakho kungabamba iqhaza emakethe yesevisi yokusiza amandla ukuletha izinzuzo ezengeziwe. Ukusetshenziswa kobuchwepheshe bokugcina amandla kwenza ukukhiqizwa kwamandla elanga kube nezimo futhi kungahlangabezana nezidingo ezihlukahlukene zamandla. Ngesikhathi esifanayo, ingaphinda isebenze nezitshalo zamandla abonakalayo ukuze kuzuzwe ukuhambisana kwemithombo yamandla amaningi kanye nokudidiyela kokuhlinzekwa kanye nesidingo.
Isitoreji samandla e-Photovoltaic sihlukile kugesi ohlanzekile oxhunywe kugridi. Amabhethri okugcina amandla kanye nokushaja kwebhethri namadivayisi akhiphayo adinga ukwengezwa. Nakuba izindleko zangaphambili zizokwenyuka ngezinga elithile, ububanzi bohlelo lokusebenza bukhulu kakhulu. Ngezansi sethula izimo ezine ezilandelayo zohlelo lokusebenza lwe-photovoltaic + isitoreji samandla ezisekelwe kuzinhlelo zokusebenza ezihlukene: izimo zohlelo lokusebenza lwesitoreji samandla se-photovoltaic ngaphandle kwegridi, izimo zohlelo lokusebenza lwesitoreji samandla se-photovoltaic ngaphandle kwegridi, izimo zohlelo lokusebenza lokugcina amandla oluxhumeke kugridi ye-photovoltaic kanye nezinhlelo zokusebenza zesistimu yokugcina amandla e-microgrid. Izigcawu.
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Izimo zohlelo lokusebenza lwe-Photovoltaic off-grid energy storage
Amasistimu okukhiqiza amandla okugcina amandla e-Photovoltaic off-grid angasebenza ngokuzimela ngaphandle kokuncika kugridi yamandla. Zivame ukusetshenziswa ezindaweni ezikude ezisezintabeni, ezindaweni ezingenamandla, iziqhingi, iziteshi eziyisisekelo zokuxhumana, izibani zomgwaqo nezinye izindawo zokusebenza. Uhlelo luqukethe i-photovoltaic array, umshini ohlanganisiwe we-photovoltaic inverter, iphakethe lebhethri, nomthwalo kagesi. I-photovoltaic array iguqula amandla elanga abe amandla kagesi uma kukhona ukukhanya, inikeza amandla kumthwalo ngomshini wokulawula inverter, futhi ishaja iphakethe lebhethri ngesikhathi esifanayo; uma kungenakukhanya, ibhethri linikeza amandla kumthwalo we-AC nge-inverter.
Umfanekiso 1 Umdwebo wohlelo lwesistimu yokuphehla ugesi ngaphandle kwegridi.
Isistimu yokuphehla ugesi ngaphandle kwegridi ye-photovoltaic iklanyelwe ngokukhethekile ukusetshenziswa ezindaweni ezingenawo amagridi kagesi noma izindawo lapho ugesi enqamuka njalo, njengeziqhingi, imikhumbi, njll. Isistimu ye-off-grid ayinciki kugridi enkulu yamandla, kodwa incike "isitoreji kanye nokusetshenziswa ngesikhathi esifanayo" Noma imodi yokusebenza "yesitolo kuqala futhi usebenzise kamuva" ukunikeza usizo ngezikhathi zesidingo. Amasistimu angaphandle kwegridi asebenza kakhulu ezindlini ezisezindaweni ezingenawo amagridi kagesi noma izindawo lapho ugesi unqamuka njalo.
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Izimo zohlelo lokusebenza lwe-Photovoltaic kanye ne-off-grid yokugcina amandla
Amasistimu okugcina amandla e-Photovoltaic off-grid asetshenziswa kakhulu ezinhlelweni ezifana nokucisha kukagesi okuvamile, noma ukusebenzisa i-photovoltaic self-consumption engakwazi ukuxhunywa ku-inthanethi, amanani entengo kagesi wokuzisebenzisela aphezulu, kanye nezintengo zikagesi eziphezulu kakhulu zibiza kakhulu kunezintengo zikagesi we-trough. .
Umfanekiso 2 Umdwebo wohlelo lwesistimu yokuphehla amandla ahambisanayo nangaphandle kwegridi
Isistimu iqukethe i-photovoltaic array eyakhiwe izingxenye zeseli yelanga, umshini welanga kanye ne-off-grid wonke-in-one, iphakethe lebhethri, kanye nomthwalo. I-photovoltaic array iguqula amandla elanga abe amandla kagesi uma kukhona ukukhanya, futhi inikeza amandla kumthwalo ngokusebenzisa i-solar control inverter yonke-in-one umshini, ngenkathi ishaja iphakethe lebhethri; uma kungenakukhanya, ibhethri linikeza amandla emshinini wokulawula i-solar control-in-one umshini, bese kuba ukunikezwa kwamandla kagesi we-AC.
Uma kuqhathaniswa nesistimu yokuphehla amandla exhunywe kugridi, isistimu ye-off-grid yengeza isilawuli sokushaja nesikhiphayo kanye nebhethri. Izindleko zesistimu zikhuphuka cishe ngo-30% -50%, kodwa ububanzi bohlelo lokusebenza lubanzi. Okokuqala, ingasethwa ukuthi ikhiphe amandla alinganiselwe lapho intengo kagesi iphakama, inciphisa izindleko zikagesi; okwesibili, ingakhokhiswa ngezikhathi zezigodi futhi ikhishwe ngezikhathi eziphakeme kakhulu, kusetshenziswa umehluko wentengo ye-peak-valley ukwenza imali; okwesithathu, lapho igridi yamandla ihluleka, uhlelo lwe-photovoltaic luyaqhubeka nokusebenza njengomthombo wamandla oyisipele. , i-inverter ingashintshwa kumodi yokusebenza ye-off-grid, futhi ama-photovoltaics namabhethri anganikeza amandla kumthwalo nge-inverter. Lesi simo sisetshenziswa kakhulu emazweni aphesheya kwezilwandle asethuthukile.
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Izimo zohlelo lokusebenza lwesitoreji samandla esixhunywe kugridi ye-Photovoltaic
Amasistimu okukhiqiza amandla axhunywe kwigridi e-photovoltaic ngokuvamile asebenza kumodi yokuhlanganisa i-AC ye-photovoltaic + isitoreji samandla. Uhlelo lungagcina ukuphehlwa kukagesi okweqile futhi lwandise isilinganiso sokuzisebenzisa ngokwakho. I-Photovoltaic ingasetshenziswa ekusabalaliseni nasekugcinweni kwe-photovoltaic emhlabathini, isitoreji samandla se-photovoltaic yezimboni nezentengiso kanye nezinye izimo. Isistimu iqukethe i-photovoltaic array eyakhiwe izingxenye zeseli yelanga, i-inverter exhunywe kugridi, iphakethe lebhethri, i-PCS yesilawuli sokushaja nesikhiphayo, kanye nomthwalo kagesi. Lapho amandla elanga engaphansi kwamandla omthwalo, uhlelo lunikezwa amandla elanga kanye negridi ndawonye. Lapho amandla elanga emakhulu kunamandla omthwalo, ingxenye yamandla elanga inika amandla umthwalo, futhi ingxenye igcinwa ngesilawuli. Ngesikhathi esifanayo, isistimu yokugcina amandla ingase isetshenziselwe i-peak-valley arbitrage, ukuphathwa kwesidingo nezinye izimo zokwandisa imodeli yenzuzo yesistimu.
Umfanekiso 3 Umdwebo wohlelo lwesistimu yokugcina amandla exhunywe kugridi
Njengesimo esikhulayo sohlelo lokusebenza lwamandla ahlanzekile, amasistimu okugcina amandla axhumeke kugridi ye-photovoltaic adonse ukunaka okukhulu emakethe yamandla entsha yezwe lami. Uhlelo luhlanganisa ukukhiqizwa kwamandla e-photovoltaic, amadivayisi wokugcina amandla kanye negridi yamandla kagesi we-AC ukuze kuzuzwe ukusetshenziswa kahle kwamandla ahlanzekile. Izinzuzo eziyinhloko zimi kanje: 1. Thuthukisa izinga lokusebenzisa amandla okukhiqiza amandla e-photovoltaic. Ukukhiqizwa kwamandla e-Photovoltaic kuthinteka kakhulu isimo sezulu nesimo sendawo, futhi kujwayele ukushintshashintsha kokuphehla amandla. Ngamadivayisi okugcina amandla, amandla okukhipha amandla okukhiqiza amandla e-photovoltaic angalungiswa futhi umthelela wokushintshashintsha kokuphehla amandla kugridi yamandla ungancishiswa. Ngesikhathi esifanayo, amadivaysi okugcina amandla anganikeza amandla kugridi ngaphansi kwezimo eziphansi zokukhanya futhi athuthukise izinga lokusebenzisa amandla okukhiqiza amandla e-photovoltaic. 2. Thuthukisa ukuzinza kwegridi yamandla. Isistimu yokugcina amandla exhunywe kugridi ye-photovoltaic ingakwazi ukubona ukuqapha kwesikhathi sangempela nokulungiswa kwegridi yamandla futhi ithuthukise ukuqina kokusebenza kwegridi yamandla. Lapho igridi yamandla ishintshashintsha, idivayisi yokugcina amandla ingasabela ngokushesha ukuze inikeze noma imunce amandla engeziwe ukuze kuqinisekiswe ukusebenza kahle kwegridi yamandla. 3. Thuthukisa ukusetshenziswa kwamandla amasha Ngokuthuthuka okusheshayo kwemithombo yamandla emisha efana ne-photovoltaics namandla omoya, izinkinga zokusetshenziswa ziye zavela kakhulu. Isistimu yesitoreji samandla exhunywe kugridi ye-photovoltaic ingathuthukisa amandla okufinyelela kanye nezinga lokusebenzisa lamandla amasha futhi ikhulule ukucindezela kokulawula okuphezulu kugridi yamandla. Ngokuthumela amadivaysi okugcina amandla, ukuphuma okubushelelezi kwamandla amasha kungafinyelelwa.
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Izimo zohlelo lokusebenza lwe-Microgrid energy storage system
Njengesisetshenziswa esibalulekile sokugcina amandla, isistimu yokugcina amandla e-microgrid idlala indima ebaluleke kakhulu ekuthuthukisweni kwamandla amasha kanye nesistimu yamandla yezwe lami. Ngokuthuthuka kwesayensi nobuchwepheshe kanye nokuthandwa kwamandla avuselelekayo, izimo zokusetshenziswa kwezinhlelo zokugcina amandla e-microgrid ziyaqhubeka nokukhula, ikakhulukazi okuhlanganisa izici ezimbili ezilandelayo:
1. Uhlelo lokuphehla amandla kanye nokugcinwa kwamandla: Ukuphehla amandla asakazwayo kubhekisela ekusungulweni kwemishini emincane yokuphehla ugesi eduze nohlangothi lwabasebenzisi, njenge-solar photovoltaic, amandla omoya, njll., kanye nokuphehlwa kukagesi okweqile kugcinwa ngohlelo lokugcina amandla. ukuze isetshenziswe ngezikhathi zamandla aphezulu noma Inikeza amandla phakathi nokuhluleka kwegridi.
2. Ukunikezwa kwamandla okusekela i-Microgrid: Ezindaweni ezikude, iziqhingi nezinye izindawo lapho ukufinyelela kwegridi kagesi kunzima khona, isistimu yokugcina amandla e-microgrid ingasetshenziswa njengendawo yokugcina amandla kagesi ukuze kuhlinzekwe ukunikezwa kwamandla okuzinzile endaweni yasendaweni.
Ama-Microgrid angasebenzisa ngokugcwele nangempumelelo amandla okusatshalaliswa kwamandla ahlanzekile ngokugcwalisa amandla amaningi, ukunciphisa izici ezingathandeki njengomthamo omncane, ukukhiqizwa kukagesi okungazinzile, nokuthembeka okuphansi kokuphakelwa kukagesi okuzimele, ukuqinisekisa ukusebenza ngokuphephile kwegridi yamandla, futhi iyinhlangano isithasiselo esiwusizo kumagridi amakhulu kagesi. Izimo zohlelo lwe-Microgrid zivumelana nezimo, isikali singasukela ezinkulungwaneni zama-watts kuya emashumini ama-megawatts, futhi ububanzi bokufaka isicelo bubanzi.
Umfanekiso 4 Umdwebo weSchematic wesistimu yokugcina amandla ye-photovoltaic microgrid
Izimo zokusetshenziswa kwesitoreji samandla e-photovoltaic zicebile futhi zihlukahlukene, zihlanganisa amafomu ahlukahlukene njenge-off-grid, igridi-exhunyiwe kanye negridi encane. Kuzinhlelo zokusebenza ezingokoqobo, izimo ezahlukahlukene zinezinzuzo zazo kanye nezici, ezinikeza abasebenzisi amandla ahlanzekile azinzile nasebenza kahle. Ngokuthuthuka okuqhubekayo kanye nokunciphisa izindleko zobuchwepheshe be-photovoltaic, isitoreji samandla e-photovoltaic sizodlala indima ebaluleke kakhulu ohlelweni lwamandla lwesikhathi esizayo. Ngaso leso sikhathi, ukugqugquzelwa kanye nokusetshenziswa kwezimo ezihlukahlukene kuzophinde kusize ukuthuthuka ngokushesha kwemboni yezamandla entsha yezwe lami futhi kube neqhaza ekufezekiseni uguquko lwamandla kanye nokuthuthukiswa kwekhabhoni eluhlaza nephansi.
Isikhathi sokuthumela: May-11-2024
