Kwisikhululo sombane welanga sokurhweba esele sikho esine-inverter esisebenza kakuhle, Ugcino lwebhetri oludityaniswe ne-AC ludla ngokuba lolokuqala ulwakhiwo olufakelwa kwakhona oluvavanywayo., ukuba iswitshibhodi, itransfoma kunye ne-PCC zingakwazi ukwamkela i-PCS yebhetri eyongezelelweyo. Ukuqhagamshelwa kwe-DC kuyenyuka xa sele kucwangcisiwe ukuvuselelwa kwamandla e-PV, i-clipping elinganisekayo inexabiso elinokubuyiswa, okanye imigaqo yasekuhlaleni yokuqhagamshela i-grid ixhasa isikhululo esinye esidibeneyo selanga kunye nogcino-bhetri.
I-Coupling topology ayimisi ubungakanani bebhetri. Amandla e-PCS afunekayo kunye namandla ebhetri zivela kumthwalo wendawo, ixesha lokukhupha umbane kunye nomthwalo wokusebenza; isigqibo se-AC/DC simisela indlela olu gcino olusebenzisana ngayo nesikhululo se-PV. La manyathelo oyilo ahlukeneyo aqukwe kwi Isikhokelo soyilo se-C&I BESS, Isikhokelo somlinganiselo wamandla-ukuya-kwi-amandla e-BESS kwaye Isikhokelo soqhagamshelo lwe-400 V BESS.
Kwiprojekthi yendawo esele isetyenzisiwe, uyilo kufuneka lungenelele yonke inxalenye yesikhululo samandla elanga elinyanzela i-EPC ukuba isivule kwakhona. Amanqanaba ambalwa okuguqula amandla elanga ukuya kwibhetri abalulekile kuphela xa amandla afunyenweyo okanye inzuzo yokusebenza idlula iindleko zezixhobo ezitshintshiweyo, ixesha elongezelelweyo lokuvala, kunye nomsebenzi ohlaziyiweyo wokukhusela nowolawulo.
Qala ngefama yamandla elanga esele ikhona, hayi ibhetri.
Uhlaziyo lwe-PV lwezorhwebo kufuneka luqale ngesixhobo esele sinika ixabiso kwindawo. Phambi kokuthelekisa ukugcinwa kwebhetri okudityaniswe kwi-AC kunye nokudityaniswe kwi-DC, sima yintoni enokuhlala, yintoni esele kufuneka itshintshwe, kunye nomda wombane ekufuneka i-BESS entsha isebenze kuwo..
| Qala ngokujonga | Isizathu sokuba isakhiwo sinokutshintsha |
|---|---|
| Imodeli ye-inverter ye-PV kunye ne-firmware | Iyachonga ii-interface ezikhoyo kunye nobuchule bokulawula |
| Umhla wokugunyazisa | Ibonisa ukuba kusele ixesha elingakanani lobomi benkonzo |
| Iwaranti eseleyo | Ukutshintshwa kunokuphelisa ixabiso lewaranti. |
| Iphleyiti yegama ye-PV DC | Simisa ubungakanani boluhlu |
| Umgangatho we-Inverter AC | Imisela umda wangoku wokuguqulwa kwe-AC. |
| Imitya kunye nokwabiwa kwe-MPPT | Ibonisa ukuba uhlaziyo luya kufuna ukulungiswa ngokutsha okungakanani kwicala le-DC. |
| Idatha yemveliso ye-PV | Ibonisa xa amandla elanga asetyenziswayo efumanekayo |
| Iinkcukacha zomthwalo wesiza | Ibonisa xa ukugqithisa kwamandla e-PV kunye nemfuno yebhetri ngokwenene zihambelana. |
| I-PCC nomda wokuthumela ngaphandle | Ichaza umda wamandla ajongene negridi |
| I-transformer neswitshibhodi | Ijonga ukuba i-PCS yebhetri eyahlukileyo ingongezwa na. |
Sebenzisa idatha yokusebenza elungelelanisiweyo endaweni yamanani apheleleyo omveliso wonyanga. I-kWh yonyaka ayinakubonisa ukuba ibhetri ibiya kuba namandla okutshajwa na xa kwenzeka isiganeko esijoliswe kuso sokusebenza.
Ubudala be-inverter butshintsha umlinganiselo weendleko kwangoko. I-inverter exhaswayo eyafakwa kwiminyaka emithathu eyadlulayo isenobomi obusebenzisekayo kwaye mhlawumbi isenexabiso lewaranti. Iyunithi eneminyaka elishumi elinanye esele idweliswe ukuba itshintshwe yahlukile: iindleko ze-inverter ethile, zokhuseleko, kunye nokuyifaka kwakhona sele ziyinxalenye yohlahlo-lwabiwo-mali lwendawo lokutsha amandla.
Ukudityaniswa kwe-AC ne-DC kuchaza kuphela indawo yokudibana kumbane.
Ukudibanisa kuchaza Apho iindlela zamandla e-PV nebhetri zidibana khona. Ayimisi ngokwayo umlinganiselo webhetri we-kWh, isakhono sokugcina umbane okanye ukusebenza kolawulo lokuthumela ngaphandle.
Indlela edityaniswe nge-AC
Iindlela eziphambili zamandla zezi:
-
PV → Umthwalo:
I-PV → I-inverter ye-PV → Umthwalo we-AC -
I-PV → Ibhetri:
PV → i-inverter ye-PV → ibhasi ye-AC → i-PCS ye-BESS → ibhetri -
Ibhetri → Umthwalo/Igridi:
Ibhetri → I-BESS PCS → Ibhasi ye-AC
Indlela edityaniswe nge-DC
| Ubunjineli bezakhiwo | Isiphumo esiphambili sokulungiswa kwakhona |
|---|---|
| Edityaniswe nge-AC | Igcina inxalenye enkulu yohlelo lwe-PV DC esele lukho, kodwa yongeza omnye i-AC converter. |
| Idityaniswe nge-DC | Idibanisa i-PV nebhetri ngokusondeleyo, kodwa inokuvula kwakhona uyilo lokhuseleko lwe-voltage, i-MPPT, i-current kunye ne-DC. |
Akufanelanga kuthiwe ibhetri iyahambelana neendawo zokufaka zombane ze-DC ze-inverter esele ikhona edityaniswe kwigridi. Iifestile zovoltage, umsinga, ulwabiwo lwe-MPPT, ukhuseleko, ukwahlulwa kunye nolawulo lwe-converter zonke zifuna ukuqinisekiswa.
Ufakelo kunye nokuthunyelwa kunokuguqula ukhetho olucacileyo lwezakhiwo.
“I-PV esele ikhona ithanda i-AC; i-solar-plus-storage entsha ithanda i-DC” yimbono yokuqala kuphela. Iingqikelelo zokuthunyelwa zombane ezisekelwe kwimeko yokwenyani zinokutshintsha ubungakanani be-BESS, uqoqosho lweprojekthi kunye nesakhiwo esikhethwayo. imagazini ye-PV
| Umsebenzi ophambili | Umbuzo wezakhiwo ekufuneka usonjululwe |
|---|---|
| Ukucheba incopho | Ingaba i-BESS ingakwazi ukuthumela ngokuzimeleyo ngokuchasene nesilindelo se-PCC? |
| Ukusetyenziswa kwelanga ngokwakho | Lingakanani i-PV eseleyo xa ibhetri iyakwazi ukutshaja? |
| Ukuchacha kokusika | Ingaba isitoreji singakwazi ukufikelela kumandla angaphezulu komda we-inverter okhoyo? |
| I-arbitrage yegridi | Kuza kuba rhoqo kangakanani ukuba i-charger ifumane umbane kwigridi? |
| Ulawulo lwe-export | Yeyiphi i-controller kunye ne-actuator ezinyanzelisa usukelo lwe-PCC? |
| Ukuthunyelwa okuxubeneyo | Yeyiphi imida eqhelekileyo ethintela i-PV + BESS? |
| Ugcino-mbuyiselo | Yimalini ye-SOC ekufuneka igcinwe? |
| Iinkonzo zegridi | Ingaba i-PCS kunye nendlela yokudibanisa ziyayixhasa na le ndima? |
Qandisa itheyibhile yokusebenza phambi kokukhetha itopoloji:
Indlela → Umthombo wokutshaja → Indawo yokukhupha i-charge → Iifestile ze-SOC → Umda wamandla → Ijelo le-PCC
Isigqibo Sokuqala Sezorhwebo: Gcina okanye Tshintsha i-Inverter ye-PV Ekhoyo
Phambi kokuba uhlaziyo lwe-DC luqwalasele ukutshintshwa kwe-inverter, phendula:
- Ingaba i-inverter efakiweyo isaxhaswa?
- 2. Ingaba ukutshintshwa sele kubandakanyiwe kuhlahlo-lwabiwo-mali lokufaka enye injini?
- 3. Yeyiphi ixabiso elitsha elifumaneka kuphela emva kokutshintshwa?
- 4. Ingaba loo xabiso liyagqitha iindleko ezongezelelweyo zezixhobo, zobunjineli kunye nexesha lokumiswa komsebenzi?
| Imeko ye-inverter | Imisebenzi yoyilo lwezakhiwo |
|---|---|
| Onempilo + oxhaswayo | Londoloza kuqala; vavanya i-AC. |
| Ixabiso elibalulekileyo lewaranti | Endaweni yoko kufuneka isigqubuthelo esomeleleyo. |
| Isiphelo sobomi / asisetyenziswa | Thelekisa i-AC ne-DC kwakhona. |
| Ukuthengwa kwesinye sele kuxhaswe ngemali. | Musa ukufaka zonke iindleko zokutshintsha kwi-DC. |
| Kucwangciselwe ukutshintshwa okukhulu kwamandla. | I-DC iyakholeleka ngakumbi |
| I-inverter ekhoyo ayikwazi ukumelana nomthwalo wexesha elizayo. | Uyilo olutsha lunokungaphepheki. |
Iingxoxo zangoku zase-Australia ngeeprojekthi ze-hybrid nazo ziye zichonga ukwaluphala kwee-inverter kunye nezivumelwano zokudibanisa esele zikho njengezithintelo eziphambili zokuphucula izixhobo ezikhoyo. Iindaba Zogcino-Amandla
Ukudityaniswa kwe-AC kunokugcina isixhobo selanga esisebenzayo.
Eyona ngenelo iphambili yokudibanisa nge-AC kukuba Ugcino lomda.
| Londoloza apho kunokwenzeka khona | Yongeza okanye uqinisekise kwakhona |
|---|---|
| Iimodyuli ze-PV kunye neentsimbi | Ikhabhathi kaBess |
| I-inverter ye-PV esele ikhona | Ibhetri PCS |
| Ucwangciso lwe-PV MPPT | I-AC feeder kunye nebrekeri |
| Iindlela zamakhebula e-PV DC | Umthamo weswitshibhodi |
| Ujongano lwe-PV olukhoyo | I-PCC mita / ii-CTs |
| Iinkqubo zolondolozo kwicala le-PV | EMS / umlawuli wesityalo |
| Umda wewaranti ye-PV ekhoyo | Ulungelelwaniso lokhuselo |
Oku kukwanciphisa ukusasazeka koxanduva phakathi kwe-EPC yelanga yokuqala kunye nomda omtsha we-BESS.
Efama yelanga yaseMokoan e-Australia, i I-80 MWh BESS idityaniswa nge-AC kwifama yelanga esebenzayo eyi-58 MW., ukwabelana ngonxibelelwano lwegridi nokusebenza kunye njengobutyebi obunye. Uhlaziyo loQoqosho
Musa ukuvula kwakhona iphakheji ye-PV esebenzayo ngaphandle kokuba ixabiso elongezelelweyo liyifuna.
Ukudityaniswa kwe-DC kuya kusomelela xa isakhiwo se-PV sele sitshintsha.
Ukudityaniswa kwe-DC kuya kufumana inkxaso xa iprojekthi sele itshintsha okanye iyila ngokutsha inkqubo ye-PV.
Izinto eziqhelekileyo ezivusa iimpawu ziquka:
- Ukutshintshwa kwe-inverter;
- ukuxhaswa ngemali kokutsha kwamandla;
- Ukwandiswa kwe-PV;
- ulwakhiwo olutsha lwe-PV+BESS;
- ukunqunyulwa okulinganiselweyo okuphindaphindayo;
- Iinzuzo zokudityaniswa kwe-grid.
| Ixabiso elinokubakho | Okufuneka kungqinwe |
|---|---|
| Uguqulo oluphindaphindwe kancinci / BoS | Yeyiphi imixholo eshwabana ngokwenene? |
| Ukuchacha kokusika | Zingaphi ii-kWh ezinokufunyanwa? |
| Uyilo oludityanisiweyo lwenkqubo yokudibanisa | Ingaba inkqubo ye-grid iyiphatha ngokwahlukileyo ngokwenene? |
Thelekisa Ukufakwa kwesona simo samandla + i-AC BESS kunye Ukufakwa ngokutsha kwamandla okucwangcisiweyo + i-DC BESS, hayi inkqubo entsha ye-DC echasa i-inverter ekhoyo engabikhoyo nexabiso elinguziro.
Imithetho yoqhagamshelo kugridi inokwenza ukudityaniswa kwe-DC kube yiprojekthi ekhawulezayo.
E-Australia, iingxoxo zeshishini zango-2026 ziye zanika ingxelo yokuba ezinye iiprojekthi ze-hybrid ezidityaniswe nge-DC zinokunciphisa i-Generator Performance Standard okanye inkqubo yokuqhagamshela nge ukuya kutsho kwiinyanga ezintandathu kuba i-PV ne-BESS zivavanywe njengokuphela kwenkqubo edibeneyo. Le ngxoxo inye ilumkisile ukuba itekhnoloji ye-inverter endala kwiiprojekthi zokuhlaziya ingaphinda ivule umsebenzi wokudibanisa. Iindaba Zogcino-Amandla
Loo nani weenyanga ezintandathu Asiyondlela yokucinga efanayo kuye wonke umntu.
Jonga:
- Ingaba i-BESS PCS eyodwa ibangela isifundo esitsha?
- Ingaba ukutshintshwa kwe-inverter ye-PV kuvula kwakhona imvume ekhoyo?
- Ingaba i-PV+BESS ingayisebenzisa na isabelo sokuthumela ngaphandle esele sikho?
- Ingaba zibhaliswe njengento enye okanye njenge-asethi ezahlukeneyo?
- Yeyiphi inketho egcina unxibelelwano esele luvunyiwe?
Ixesha loqhagamshelwano kunye nomngcipheko wemvume zifanele ukuba kwimodeli yeendleko zolwakhiwo.
Thelekisa ukusebenza kakuhle kwindawo enye yendlela, umda kunye nendawo yokusebenza
Uthelekiso lokusebenza luyasebenza kuphela xa iinkalo ezintathu zifana:
- 1. Indlela yamandla enye
- 2. Umda wokulingana ofanayo
- 3. Iphuzu lokusebenza elifanayo
| Indlela | Ukufaneleka kwezakhiwo |
|---|---|
| PV → Umthwalo | Uguqulo lwebhetri lusenokungathathi nxaxheba |
| I-PV → Ibhetri → Umthwalo | I-DC ingazisusa izigaba zoguqulo. |
| Igridi → Ibhetri → Umthwalo | Inzuzo kwicala le-PV isenokunyamalala |
| I-PV enesikro → Ibhetri → Umthwalo | Ixabiso lisenokuthi livele ekufunyanweni kwamandla angenakufikeleleka. |
Xa uphonononga ibango lokonga, buza:
- Ii-terminal ze-DC okanye ze-AC?
- Hamba nje okanye uya ubuye?
- Abancedisi bayabandakanywa?
- Yeyiphi i-C-rate/amandla?
- Yeyiphi i-SOC kunye nobushushu?
Kwi-MegSolid Energon 261, eyapapashwayo 90% Umfanekiso bubalaseleyo bokusebenza kwenkqubo, hayi i-RTE echaziweyo.
Linganisa i-PV Clipping Phambi Kokuyinika iXabiso leedola
ILR = i-PV DC nameplate / i-inverter AC rating
Umzekelo:
600 kWp PV ÷ 500 kW i-inverter = 1.20
Kwenza njalo hayi Oku kuthetha ukuba i-100 kW isoloko ilahleka.
Use:
- Umphumo we-AC we-inverter;
- Idatha ye-DC / MPPT;
- Ukukhanya okunamandla;
- ubushushu;
- imeko yokusebenza;
- Iimpawu zexesha.
Emva koko bala:
Amandla alinganisiweyo agciniweyo
↓
Amandla akhoyo ngelixa i-BESS inendawo yokongeza i-charge.
↓
Amandla anokufunyanwa ngolwakhiwo olucetywayo
Kwimeko yeshishini kufanele kubekho kuphela isixa sokugqibela.
Ukucutha Akufani nokuncitshiswa kokuthunyelwa ngaphandle
| Imeko | Isizathu | Imisebenzi yoyilo lwezakhiwo |
|---|---|---|
| Ukucutshungulwa kwe-inverter | Umda wokuguqulwa | Ugcino lwe-DC lunokufikelela kumandla awayenokuphela. |
| Ukuncitshiswa kokuthunyelwa kwamanye amazwe | Isenzo solawulo se-PCC | Ugcino lwe-AC okanye lwe-DC lunokunceda. |
| Ukuncitshiswa kwamandla okushushu | Iqondo lobushushu | I-Topology ayilungisi unobangela oyintloko. |
| Umda wokuthunyelwa kwegridi | Umyalelo wangaphandle | Kuxhomekeke kumalungelo okusebenza |
Musa ukufaka wonke amandla akho agodliweyo kwishredispati enophawu oluthi “clipping recovery.”
Imida Yokuthumela Ngaphandle Inokutshintsha Isigqibo Sezakhiwo
Umzekelo:
| Ixabiso lokusebenza | Amandla |
|---|---|
| I-PV | 500 kW |
| Layisha | I-100 kW |
| Umda wokuthumela ngaphandle | 300 kW |
500 − 100 = 400 kW amandla okuthumela kumazwe angaphandle
Umlawuli kufuneka asuse I-100 kW.
Uluhlu olusebenzisekayo:
- I-PCC meter iyaqaphela ukuthunyelwa ngaphandle okugqithisileyo.
- 2. I-EMS icela ukuba i-BESS idayiselwe.
- 3. Ukunqanyulwa kwe-PV kulungisa nayiphi na intsalela eseleyo.
- 4. Xa i-SOC igcwele, i-PV iba sisipheki esiseleyo.
- 5. Ukusilela konxibelelwano kuvusa isikhuseli esichaziweyo.
Uyilo olukhethiweyo kufuneka luxhase Usukelo olunye lwamandla ombane kwi-PCC.
Ukudityaniswa nge-AC akuthethi ukuba zizinto ezahlukileyo ngokwasemsebenzini
Iprojekthi yaseQuorn Park idibanisa Amandla elanga angama-98 MW anesistim ye-BESS edibene ne-AC enama-20 MW / 40 MWh phantsi kweMigangatho yokuSebenza kweZijeneretha enye edityanisiweyo kunye nomlawuli omnye wesikhululo sombane. Iindaba ze-ESS
| Isaleko | Uxanduva |
|---|---|
| BMS | Imida yebhetri |
| PCS | Ukuphunyezwa kwamandla ebhetri |
| I-inverter ye-PV | Isiphumo se-PV |
| EMS / PPC | Ujoliso lwezityalo olulungelelanisiweyo |
| Imitha ye-PCC | Umlinganiselo wemida wokwenene |
Ukuqhagamshelwa ngombane ≠ ukudityaniswa kolawulo ≠ ubhaliso kwinethiwekhi.
Ii-inverters ekwabelwana ngazo nezahlukileyo zenza imida yamandla eyahlukileyo.
I-PV ekhoyo = 450 kW
Isicelo sebhetri = 150 kW
I-inverter ekwabelwana ngayo = 500 kW
Imithombo zizonke ziyi-600 kW, kodwa yi-500 kW kuphela enokudlula kwi-converter ekwabelwana ngayo.
I-AC coupling yahlula imida yomguquli, kodwa umphumo odityanisiweyo usenokuthintelwa:
Ibhodi yezwekazi → Itransfoma → PCC → Isivumelwano sokuthumela ngaphandle
Soloko wahlula:
- Isigqubuthelo sokuguqula
- Umda wokudibanisa
Iswitshibhodi neTransformer esele ikhona zinokwala uhlaziyo lwe-AC.
| Jonga | Ukungaphumeleli okunokwenzeka |
|---|---|
| Isibonda sombane | Amandla ombane anganelanga |
| Umsiki / umondli | Akukho ndlela yokudibanisa esebenzayo |
| Iguquleli | Umthwalo wecala ugqitha umlinganiselo |
| Intambo | I-Ampacity iyasilela |
| Ukhuselo | Ulungelelwaniso luyasilela |
| Ukupima | Umda we-PCC awugqitywanga |
| Iinkonzo zonyango ezingxamisekileyo | Akunakunyanzeliswa umgama wokwenene ongaphezulu. |
Isikrini sokutshutshiswa kwangaphambili:
Umrhumo wegridi we-BESS ovumelekileyo
Ubuncinane obuvumelekileyo kwintloko yokungenisa/yogcino-lwelo
− Umthwalo oqhubekayo
− umda
I-PCS eyi-250 kW ayivelisi i-250 kW yamandla okuhlawulisa avumelekileyo xa kusele i-80 kW kuphela yomthamo oseleyo wenethiwekhi.
Amandla Okuhlalutya Ngumgqibo Woyilo Owahlukileyo
Ibhetri ifakiwe ≠ i-backup iyafumaneka.
Kusafuneka ukugcina okusemva:
- Umthombo owakha igridi;
- ibhasi yomthwalo obalulekileyo;
- Ukwahlulwa kwenkonzo;
- ukuthintela ukuzimela ngombane;
- uyilo olungathathi cala/lokuxhuma emhlabeni;
- Indlela yokuziphatha kwe-PV kwimo yesiqithi;
- ulungelelwaniso lwejenereyitha;
- Ulandelelwano lokubuyisela.
Ukudityaniswa kwe-AC/DC kuphendula kuphela apho i-PV nebhetri zidibana khona.
Thelekisa ii-Failure Domains kunye ne-Serviceability
| Izixhobo azifumaneki | Ulwakhiwo lwe-AC olwahlulweyo | Ulwakhiwo lwe-DC olwabelwana ngalo |
|---|---|---|
| I-inverter ye-PV | UBESS angahlala | Kuxhomekeke kwi-converter ekwabelwana ngayo. |
| BESS PCS | I-PV ngesiqhelo ihlala | Kuxhomekeke kudityaniso |
| Ibhetri/Ulawulo lweBhetri | I-PV ingahlala | Ulawulo oluxubeneyo lufuna ukuphononongwa. |
| Impazamo ye-PV DC | Ibhetri isenokuba yodwa | Umda oqhelekileyo we-DC ufuna ukufundwa |
| EMS/PPC | Kufuneka ukhuseleko olungagungqiyo | Kufuneka ukhuseleko olungagungqiyo |
| Imitha ye-PCC | Kufuneka ukulawula ukubuyela emva | Kufuneka ukulawula ukubuyela emva |
Buza:
Ukuba esi sithako sihlukaniswe iiyure ezine, zeziphi iinkonzo zesiza eziseleyo?
Ukwandisa Kuthetha Izinto Ezithathu Ezahlukileyo
| Ukwandisa | Impembelelo engundoqo |
|---|---|
| Ngaphezulu kwee-PV kW | Uveliso lwelanga / i-inverter / ukunqamla |
| I-kilowathi ezingaphezulu zebhetri | Amandla okutshaja nokukhupha |
| I-kWh yebhetri eninzi | Ubude bexesha |
Chaza izigaba zexesha elizayo njengoko:
Isiqendu → PV kW → BESS kW → BESS kWh → Imfuneko ye-PCC
—hayi nje “okwandekayo.”
Ukudityaniswa kwe-AC akukhawulelwanga kwiinkqubo ezincinci zolungiso olutsha.
Iimveliso zorhwebo zangoku zibonisa ukuba ukudityaniswa kwe-AC kuyilwe kwezixhobo zokugcina ezine-three-phase C&I kunye nezo zokugcina ezimodular zomgangatho we-MWh. Umzekelo, iqonga le-Enphase i-2026 C80, lixhunywe nge-AC kwaye lichazwa njengelokwandisa isiseko ukusuka kwi-80 kWh ukuya kwi-2 MWh, ngelixa lixhasa ii-inverter ze-PV zorhwebo ezivela kwezinye iinkampani. Inxalenye
Ubungakanani beprojekthi bodwa abukhethi itopoloji.
Musa ukudlulisa iipesenti zeendleko zesikali senkonzo kwi-C&I Retrofit
Thelekisa umda wokwenene:
| Into yexabiso | Umoya opholileyo | DC |
|---|---|---|
| I-inverter ye-PV esele ikhona | Ngokuqhelekileyo igcinwa | Inokutshintsha |
| Iintambo / MPPT | Ngokuqhelekileyo igcinwa | Inokutshintsha |
| Iguquleli yebhetri | Uhlukanisa i-PCS | Ekwabelwana ngayo/edityanisiweyo |
| Umgca wokondla we-AC | Kudla ngokongezwa | Kuxhomekeke |
| Ukhuselo lwe-DC | Utshintsho olulinganiselweyo | Inokwandiswa |
| Ukuphinda uqalise | Ngokuqhelekileyo kunomsebenzi omncinci kwicala le-PV. | Inokunyusa |
| Impembelelo yokuvunywa | Ochaphazela indawo ethile | Ochaphazela indawo ethile |
Use:
Iindleko zofakelo ezinyukayo
÷
Ixabiso elonyukayo lobomi bonke
—hayi ipesenti eqhelekileyo evela kwenye iklasi yeprojekthi.
Thelekisa Umda Wokuhlaziywa Okupheleleyo neXesha Lokumisa Umsebenzi
Ingoma
- Ukuphazamiseka kwe-PV;
- Ukuphazamiseka kwebhodi engundoqo;
- Ulawulo lokutshintshela;
- Ukuphinda ukuvulwa.
Impembelelo iyonke yokulungiswa kwakhona = CAPEX + ubunjineli + iindleko zokuvala + ilahleko yexabiso le-PV + ukuqaliswa ngokutsha
Apho iMegSolid ilingana khona noyilo lwezakhiwo
| Imfuneko yeprojekthi | Indlela yokuqala | Umda |
|---|---|---|
| Umthamo wekhabhathi ongange-100 kW | ESSA0100B-0215 | 100 kW / 215.04 kWh |
| Amandla angakumbi akwikhabhathi / ukupholisa okungukwi-liquid | I-Energon 261 | 261.24 kWh / 125 kVA |
| Ulwakhiwo olwahlukileyo lwe-PCS | I-MEGA TS | 30–500 kW |
Amaxabiso alawulwayo e-ESSA0100B-0215 aquka i-100 kW, i-215.04 kWh, i-768 V, i-0.5C kwi-25°C kunye nokupholisa komoya okukrelekrele. Iinketho zocwangciso lwe-PV ziboniswa njenge-120 / 180 / 240 kW.
I-Energon 261 isebenzisa i-LFP eyi-314 Ah kunye nokupholisa okungamanzi. Gcina 125 kVA njengamandla abonakalayo 90% njengekwanakho eliphezulu lenkqubo.
Iireyithingi zePCS ezilawulwa yiMEGA TS ziqala ukusuka 30 ukuya kwi-500 kW.
I-Matrix Yezigqibo yeLanga yorhwebo: Ekuqhagamshelweni nge-AC xa kuthelekiswa noku-kuqhagamshelweni nge-DC
| Imeko | Umoya opholileyo | DC | Ubungqina obuyintloko |
|---|---|---|---|
| I-inverter esempilweni esele ikhona | Oomeleleyo | Ezantsi | Ixabiso eliseleyo le-asethi |
| Ukutshintshwa kucwangcisiwe | Oomeleleyo | Oomeleleyo | Iindleko ezongezelelweyo |
| Uhlengahlengiso oluncinci lwe-PV | Oomeleleyo | Ezantsi | Umda wokulungiswa kwakhona |
| Ukuchetywa kwezinto | Elinganiselweyo | Oomeleleyo | Ii-kWh ezinokufunyanwa |
| Ukucheba incopho | Oomeleleyo | Kungenzeka | Ukuthunyelwa okuzimeleyo |
| Uqhagamshelwano lwe-AC luyathintelwa | Isifundo | Amandla angaphakathi | Ujongano lokugqibela |
| I-PV+BESS entsha | Oomeleleyo | Oomeleleyo | Ukuthunyelwa / Isiphelo / iGridi |
| Ugcino-mbuyiselo | Uphononongo olwahlukileyo | Uphononongo olwahlukileyo | Ubunjineli beziqithi |
Izinto Ezintandathu Ezifunekayo Phambi Kokukhutshwa Koyilo Lwesakhiwo
- 1. Imodeli ye-inverter ye-PV ekhoyo, ubudala bayo kunye newaranti
- 2. Amanqanaba e-PV DC / inverter AC nobungqina bokunqunyulwa
- 3. Idatha ye-PV neyomthwalo ehambelanisiweyo
- 4. PCC, itransfoma, iswitshibhodi nomda wokuthumela ngaphandle
- 5. Umthwalo womsebenzi webhetri
- 6. Ukuphathwa konxibelelwano lwasekuhlaleni
Ngaphandle kwezi ngeniso, itopoloji isengumbono nje.
Umgaqo-siseko Wokugqibela
- Musa ukutshintsha impahla ye-PV eluncedo ngaphandle kwenani elongezelelweyo elinokulinganiswa.
- Musa ukubanga ixabiso lokusika ngaphandle kwedatha yokusebenza.
- Musa ukukhulula uqhagamshelwano lwe-AC phambi kokuba umda oqhelekileyo we-AC udlule.
Ulwakhiwo olukhethwayo loluya oluhambisa ukuthunyelwa okufunekayo kwi-PCC nge- utshintsho lwezixhobo olungenasizathu kunye netyala loshishino elomeleleyo kubo bonke ubomi balo.
Imibuzo Ebuzwa Rhoqo
Ngaba ukugcinwa kwebhetri okudityaniswe nge-AC kudla ngokuba ngcono kwiinkqubo zelanga zorhwebo esele zikho?
Ukudityaniswa kwe-AC kudla ngokuba yeyona skrin yokuqala yokulungiswa kwakhona xa i-inverter ye-PV esele ikhona isenobomi obuncedo obuseleyo kwaye inkqubo ye-AC ingakwazi ukwamkela enye i-PCS. Oku kugcina inxalenye enkulu yepropathi ye-PV efakiweyo, kodwa i-switchboard, i-transformer, i-PCC kunye nezilawuli kusafuneka zikwazi ukudlula.
Yeyiphi imeko ekwenza ukugcinwa kwebhetri okudityaniswe ne-DC kube nomtsalane ngakumbi?
Ukudityaniswa kwe-DC kuya phezulu xa sele kucwangcisiwe ukutshintshwa kwe-inverter okanye ukuphinda kufakwe amandla e-PV, ukunqunyulwa okulinganisiweyo kunexabiso elinokubuyiswa, okanye inkqubo yengingqi yokudibanisa ikhuthaza isikhululo esidibeneyo selanga kunye nogcino-bhetri.
Ingaba ukudibanisa nge-DC kuhlala kusebenza ngcono kunokudibanisa nge-AC?
Hayi. Thelekisa indlela yamandla efanayo, umda wokulinganisa kunye nendawo yokusebenza. Ukuqhagamshela nge-DC kunokususela amanqanaba aguqulo okutshaja i-PV kwi-battery, kodwa elo ncedo lisenokungabaluleki kangako kwiprojekthi elawulwa kukutshaja kwi-grid okanye ukunciphisa umthamo ophezulu.
Ingaba i-BESS edityaniswe nge-AC ingakwazi ukulungisa ukunqunyulwa kwe-PV?
Iyakwazi ukufunxa amandla agqithisileyo afikelela kwi-AC bus, kodwa ayikwazi ukuzihlaziya ngokuzenzekelayo amandla e-DC angenakuguqulwa yi-inverter ye-PV esele ikhona emva kokuba ifikelele kumda wayo ophezulu we-AC.
Iprojekthi yorhwebo mayibale njani ukunqunyulwa kwelanga?
Sebenzisa isiphumo se-AC se-inverter esinamachaphaza exesha kunye nedatha ye-DC/MPPT ekhoyo, ukukhanya kwelanga kunye nemeko yokusebenza. Ireyithingi ye-AC ye-inverter ikhutshwa kwireyithingi ye-PV DC nameplate ayiyondudumo yonyaka enqunyulweyo.
Ingaba ukuncitshiswa kokuthunyelwa kumazwe angaphandle kufana nokunqunyulwa kwe-inverter?
Hayi. I-clipping ivela kumda wuguqulo. Ukuncitshiswa kokuthunyelwa ngaphandle linyathelo lolawulo elijolisiweyo kwi-PCC okanye komnye umda wegridi.
Ingaba i-PV ne-BESS ezidityaniswe nge-AC zingasebenza njengomsinga omnye olungelelanisiweyo?
Ewe. Umlawuli wesiza se-EMS okanye wesikhululo sombane angalungelelanisa ii-converter ezahlukeneyo ze-PV neze-BESS ukuya kuthi ga kwipali enye yokulungelelanisa umbane (PCC).
Ingaba ibhetri edityaniswe ngqo kwisixhobo sokuguqula umbane (DC) ingasebenza nayiphi na i-inverter ye-PV esele ikhona?
Hayi. I-voltage yebhetri, i-voltage ye-PV, i-current, i-MPPT, uguqulo lwe-DC/DC, ukhuseleko kunye namandla okulawula i-inverter konke kufuneka kuqinisekiswe.
Ingaba ukongeza isitoreji sebhetri yelanga ngokuzenzekelayo kubonelela ngenkxaso?
Hayi. Ibekap ufunisa umda we-island, ukwahlulwa kweenkonzo, amandla okwenza igridi apho kufuneka khona, imithwalo ekhuselweyo, ukhuselo kunye nolandelelwano olucacisiweyo lokubuyisela.
Ingaba i-DC coupling isoloko inexabiso eliphantsi?
Hayi. Iiprojekthi zaseGreenfield zinokukhipha izixhobo eziphindaphindiweyo, ngelixa iisiza zaseBrownfield zinokuba sele zinazo ii-inverters ze-PV ezixabisekileyo kunye neziseko ezingundoqo ze-DC. Thelekisa umda wokwenene wongezelelo ofakelweyo.
Yintoni ukugcinwa kwebhetri yelanga yorhwebo edityaniswe nge-AC?
Isebenzisa iindlela ezahlukeneyo zoguqulo lwe-PV nebhetri ezidityaniswe kwicala le-AC. Kuhlaziyo, i-inverter ye-PV esele ikhona isoloko ishiyeka ngelixa i-BESS isebenzisa eyayo i-PCS ehamba macala omabini.
Yintoni ukugcinwa kweebhetri zelanga zorhwebo okudityaniswe nge-DC?
I-PV nebhetri zilungelelaniswa kwicala le-DC phambi kwinqanaba eliphambili lokuguqulwa kwe-AC, kusetyenziswa rhoqo amanqanaba e-DC/DC kunye nesakhiwo se-inverter esabelwana ngaso okanye esidibeneyo.
Yeyiphi idatha ekufuneka iqokelelwe phambi kokuba kukhethwe ukudityaniswa kwe-AC okanye i-DC?
Qokelela imodeli nobudala be-inverter ye-PV, amanqanaba e-DC ye-PV kunye ne-AC ye-inverter, ubungqina bokunqunyulwa, idatha edityanisiweyo ye-PV/umthwalo, imida ye-PCC kunye neye-transformer, umthwalo womsebenzi webhetri kunye neemfuno zokudibanisa zalapha.