Amandla elanga asezindlini zorhwebo ahlala ajongwa ngenani elinye eliphambili, i-total PV kWp, nangona ukucwangciswa kophahla kunokuba ngumqobo wokwenene kwi-inverter. I-inverter eyi-50 kW inokuba namandla aneleyo e-AC kodwa isenokuba yimveliso engeyiyo ukuba uphahla lufuna amaqela amaninzi azimeleyo e-PV asebenzayo kunalawo isakhiwo sayo se-MPPT esinokuxhasa.
Umzekelo wegumbi lokugcina impahla: Khawucinge ngendawo yokugcina impahla ecwangcisa malunga ne-65–70 kW ye-PV kophahla oluphambili olujonge empuma, icandelo elijonge entshona, isongezelelo esijonge emazantsi kunye nesigqubuthelo sendawo yokulayisha esinomthunzi emva kwemini. Umthamo uphela we-PV unokungena ngaphakathi kwesigcina esiphezulu se-75 kW se-PV sikaMegSolid. I-R50KH3 i-inverter ye-hybrid enezigaba ezintathu, kodwa uphahla akufuneki luvunywe nge-kW kuphela kuba ezo zithili zine zisenokufuna ukulandelela ngokuzimeleyo.
I-R30KH3, i-R40KH3 kunye ne-R50KH3 nganye inikezela Iitracker zeMPPT ezine, zineestrings ezimbini kwitracker nganye., ngelixa imveliso yabo ye-AC elinganisiweyo iyi-30, 40 ne-50 kW kwaye amandla abo aphezulu e-PV angama-45, 60 ne-75 kW. Ii-port ze-string ezimbini phantsi kwe-MPPT enye zisabelana ngomlandeli omnye, ngoko ke unxibelelwano lwe-string olusibhozo lwenza kuphela amaqela amane alandelelwayo ngokuzimeleyo.
I-Inverter kW imisela inqanaba lamandla; inani le-MPPT limisela ukuba mangaphi amaqela asebenzayo e-PV anokulandelelwa ngokuzimeleyo.
Impendulo yombuzo wobukhulu obahlukeneyo ye-MPPT Count ne-AC Power
Amandla ombane we-AC aveliswayo, amandla aphezulu e-PV kunye nenani le-MPPT ziphendula imibuzo eyahlukeneyo malunga nobungakanani.
| Umzekelo | Umphumo we-AC oqikelelweyo | Amandla aphezulu e-PV | Izilandeleli ze-MPPT | Imitya ngeMPPT nganye |
|---|---|---|---|---|
| R30KH3 | 30 kW | 45 kW | 4 | 2 |
| R40KH3 | 40 kW | 60 kW | 4 | 2 |
| R50KH3 | Amashumi amahlanu eekhilowathi | 75 kW | 4 | 2 |
Umphumo oqikelelweyo umisela udidi lwamandla e-AC ye-inverter, elona mandla aphezulu e-PV achaza imida epapashiweyo ye-array ye-PV, kwaye inani le-MPPT limisela ukuba zingaphi iqela le-PV ezinokusebenza ngokulandelela ngokuzimeleyo. Ii-rooftops ezifanayo ze-50 kW kunye nee-rooftops ze-50 kW ezohlulwe zaya kwiinkalo ezahlukeneyo zinokufuna udidi olufanayo lwamandla e-AC kodwa zibe nesakhiwo esahluke kakhulu sokungenisa i-PV.
Iskrini sokuqala sokuthenga sifuna iimpendulo zombini: udidi lwe-AC olufunekayo lwe-30, 40 okanye 50 kW, kunye nenani lamaqela okusebenza e-PV ahluke kakhulu ngokwezinto ezakhiwayo afuna ukulandelelwa ngokuzimeleyo.
Nje ukuba imephu ye-MPPT idlule, i Ukukhetha i-inverter ye-hybrid eyi-30 kW, 40 kW okanye 50 kW Isenokwenziwa ke ngokusekelwe kumthwalo we-AC, umthamo we-PV kunye nomsebenzi wokugcina, endaweni yokuba isekelwe kwijometri yophahla kuphela.
Iingeni ezisibhozo zamacandelo zisenza amaqela amane okulandelela
Iistrings ezimbini ezidityaniswe kwi-MPPT enye aziba zizitrakha ezizimeleyo ezimbini kuba zisebenzisa indawo yokusebenza enye ekhethwe lelo jelo le-MPPT, ngoko ke ukubakho kweepoti zeestrings ezimbini asisizathu saneleyo sokudibanisa iindawo ezimbini zophahla.
Iintambo zilungele ngakumbi ukwabelana nge-MPPT enye xa iimeko zazo zombane nezokusebenza zifana. Ukuhluka kwezinto ezifana nendlela ezijonge ngayo, ithunzi, ulungelelwaniso lweemodyuli okanye iprofayile yokukhanya kwelanga kwenza ukudibanisa okunjalo kube nzima ukukuthethelela.
| Imeko yeqela le-PV | Isigqibo sokuqala se-MPPT |
|---|---|
| Ulwakhiwo olufanayo, ukuthambeka kunye noyilo lomtya | Umgqatswa oqinileyo wokwabelana |
| Ukwalungelelana okufanayo kunye nokufipha okwahluke kakhulu. | Phonononga ngokwahlukeneyo |
| Amaqela ajonge empuma nawajonge entshona | Khetha ukulandelela ngokwahlukeneyo apho kunokwenzeka khona. |
| Iimpawu zombane ezahlukeneyo zemodyuli okanye zomtya | Qinisekisa phambi kokwabelana |
| Imicu emibini idityaniswe nje kuba iipoti ezimbini zikhona. | Asonelanga isizathu |
Iintambo ezijonge empuma nezijonge entshona azithintelwa ngokuzenzekelayo ekwabelaneni ngetracker kuyo yonke idizayini, kodwa iimeko zazo ezilungileyo zokusebenza zinokwahluka ngokuhamba kosuku, ngoko ke ukuzigcina kwi-MPPT ezahlukeneyo kunika i-inverter inkululeko yokulandela iqela ngalinye ngokuzimeleyo xa ulwakhiwo luvumela.
Iitracker ezine zenza amaqela amane azimeleyo okusebenza; iingeno ezisibhozo zomtya ongokwenyama zonyusa kuphela umthamo wokudibanisa ngaphakathi kwala maqela.
Imilo yophahla ingenza i-MPPT ibale umqobo wokuqala.
Iinqaba zorhwebo zinokwahlulwa zibe ngamaqela amane eendawo ze-PV ezisebenzisekayo, nokuba isixa-mpenda se-kWp sisahleli ngaphakathi komda ophezulu opapashiweyo we-inverter.
Olunye ucwangciso olusebenzisekayo lunokuba:
- MPPT 1 → uphahla oluphambili olujonge empuma
- MPPT 2 → uphahla oluphambili olujonge entshona
- MPPT 3 → isandiso esijonge emazantsi
- MPPT 4 → isigqubuthelo esinika umthunzi emva kwemini
Le nkcazelo yomlinganiselo nje. Isiqwenga esinye sophahla asisoloko silingana ne-MPPT enye, kwaye uphahla olukhulu lunokufuna iitracker ezingaphezulu kwesinye ngenxa yomthunzi, umsinga okanye imida yoyilo lwezityholo. Umgaqo obalulekileyo kukuba itracker nganye kufuneka ifumane izityholo ze-PV ezinokwabelana ngokufanelekileyo ngendawo enye yokusebenza.
Kwenzeka Ntoni Xa Uphahla Ludinga Amaqela Angaphezu Kwamane
Uthintelo luyacaca ngakumbi xa isiza sineqela le-PV elineentsingiselo ezintlanu okanye ezintandathu ezahluke ngokuphathekayo. Ukuthenga i-inverter enkulu ngokwe-kW akusombululi loo nto ngokuzenzekelayo kuba amandla e-AC ongezelelweyo akadali ii-trackers ezizimeleyo ezongezelelweyo, ngoko i-EPC isenokufuneka idibanise kuphela amaqela ahambelanayo, iphinde icinge ngoyilo lwe-string, itshintshe ulwakhiwo lwesigqubuthelo, yahlule iprojekthi kwii-inverters ezingaphezulu kwesinye okanye ikhethe enye i-architecture yokufaka i-PV.
Ukudityaniswa Kwegcini Akususi Ukuqinisekiswa kwe-MPPT
Iiprojekthi zelanga zorhwebo ezikwaquka ukugcinwa zisadinga ukugcina lo mthetho wecala le-DC xa zisenza isigqibo. Isakhiwo sebhetri yelanga esidityaniswe nge-AC okanye nge-DC, kuba itopoloji yokudibanisa ayisusi imfuneko yokuba i-array ye-PV ingene kwii-inputs ze-inverter ngokombane.
Thumela i-PV kWp ecetyiweyo ngokwecandelo lophahla, icala elijongwe kulo, umahluko wokugqunywa, kunye nolungiselelo lokuqala lwezintambo; i-MegSolid ingabuyisa ulwabiwo lokuqala lwee-MPPT ezine kwaye ibonise ukuba i-R30KH3, i-R40KH3 okanye i-R50KH3 yeyona ilungele ngakumbi phambi kokuba iprojekthi iqinisekise udidi lwamandla e-inverter.
I-kWp ezilinganayo zinokufihla iimeko zokusebenza ezahlukeneyo.
Iziqwenga ezibini zophahla zinokuthwala zombini i-15 kWp kodwa zibe neemeko zombane ezahluke kakhulu ukuba enye ifumana ukukhanya kwelanga okucocekileyo emini emaqanda ngelixa enye ithunziwe yimbonakalo ye-HVAC emva kwemini, ngoko ke umthamo ofanayo ofakelweyo akufuneki uthathwe njengobungqina bokuba iistrings zifanele ukuba kwitracker enye.
Iiparapet, izixhobo ze-HVAC, iiventi, izakhiwo ezingqongileyo, iikhanopi, ukuthambeka kophahla, i-azimuth kunye nomthunzi wamaxesha onyaka zonke zidala iimeko zokusebenza ezahlukeneyo kwiinqwelo zorhwebo. Ezi meko zitshintsha iprofayile yokukhanya okubonwa ziimodyuli kwaye zinokudala iindawo ezahlukeneyo zamandla aphezulu naxa inani leemodyuli lifana.
Ukulandelela Ukuguquguquka Kuneemida
Iitshaneli ezine ze-MPPT ezizimeleyo zinika i-R-series inkululeko engakumbi yokwahlula la maqela apho kubalulekileyo. Iitrakha azisusi umthunzi, kwaye aziboneleli ngenzuzo yamandla engaguqukiyo xa kuthelekiswa ne-inverter ene-MPPT ezimbini. Olu ncedo lukhona kuphela xa uphahla luneqela elisebenzayo ekungafanelekanga ukuba lwabelane ngendawo enye yokulandelela.
I-inverter yelanga yorhwebo Ukukhetha akufanelanga kuphelele kwi-AC kW kuba imilo yophahla kunye neqela lokusebenza le-PV zinokwahlula iimveliso ezinomlinganiselo wokuphumisa ofanayo.
Amandla e-PV epheleleyo anokudlula ngelixa umsinga omnye we-MPPT usilela.
R30KH3, R40KH3 kunye ne-R50KH3 nganye iyapapasha 40 Umbane ongenayo ophezulu ngeMPPT nganye, 60 Umbane wokudibana okufutshane ngeMPPT nganye, izilandeleli ezine kunye nemicu emibini kwisilandeleli ngasinye.
Oku kudala uvavanyo lwesibini lokuphumelela/ukusilela emva kokuba amandla e-PV epheleleyo ehlolwe.
Ii-proposals zinokuhlala zingaphantsi komlinganiselo ophezulu wamandla e-PV we-R50KH3 we-75 kW kodwa zisasilela ukuba umbane omninzi ugxininiswe kwi-MPPT enye, ingakumbi xa kusetyenziswa ii-modules ezinombane ophezulu okanye ii-strings ezihambelanayo. Ulandelelwano lokuhluza lolu:
Amandla aphelele e-PV adlula → amaqela ophahla ahlulwe → umsinga ngamnye we-MPPT ujongezwa → ukwabiwa kwemicu kwamkelwa okanye kulungiswe
Amaxhobo okudibanisa angasibhozo akhoyo awawatyhili umda wokuqhuba wangoku we-40 A nge-MPPT nganye, kuba isibini ngasinye seepoti sisengowetracker enye.
Lo mba mkhulu ngokwaneleyo ukuba ungalichaphazela itenko. Ukuba i-inverter i-odolwe kuqala, kwaye ingxaki yomsinga we-MPPT ivele emva kokuba iindlela zeekhebula zophahla kunye nokwabiwa kweestrings sele kulungisiwe, isiza sinokufuneka siphinde siwabele iistrings, sitshintshe iindlela zeekhebula okanye songeze enye i-inverter, nto leyo kanye luhlobo lokuyila ngokutsha ekujoliswe ekukuphepheni ngokwenza uhlolo lwe-MPPT phambi kokuthenga.
Uxinzelelo lwe-voltage luyakwazi ukwala imephu yophahla ebinokwamkeleka.
Iitracker ezine ezikhoyo azenzi yonke imilinganiselo yomtya ibe semthethweni. Umtya ngamnye ocetywayo kusafuneka uhlale ngaphakathi kwi-voltage window ye-inverter.
Jonga iFasitela leVoltage emva kokuba amaQela eSilingi enikwe
Iinkcukacha zemveliso ye-R-series yangoku zithi:
- Uluhlu lwe-voltage ye-MPPT: 150–850 V
- I-voltage yokuqalisa ye-PV: 180 V
- Ivotshi engenayo ye-PV elinganisiweyo: 600 V
La maqondo athetha ukuba umyili kusafuneka ajonge i-Vmpp elindelekileyo, i-Voc yexesha elibandayo, i-Vmpp yexesha elishushu, iimodyuli ngomtya kunye neekoefficient zokushisa zemodyuli phambi kokuba avume ulwabiwo lwendawo yophahla. Iqela elinye losilingi lingangena kwimephu ye-MPPT ezine kwaye lisasilela kuvavanyo lwe-voltage, ngelixa elinye lingangena kwi-voltage window kodwa lisasilela kumda wangoku we-MPPT nganye.
Uyilo lokugqibela lomtya kufuneka luqwalaselwe ngokweemida zovoltage zeprojekthi ezivunyiweyo, ngelixa uluhlu olupapashiweyo lokusebenza lwe-MPPT oluphakathi kwe-150–850 V, i-voltage yokuqalisa eyi-180 V kunye ne-PV input eyi-600 V eyi-rated zisahlala zizixhobo eziphambili zemveliso kwi-fit screen yesigaba sokuqala.
Inani le-MPPT limisela ukuba mangaphi amaqela anokulandelwa ngokuzimeleyo; ivoltheji netheko zimisela ukuba lawo maqela asebenza ngokufanelekileyo ngombane na.
Ii-MPPT ezininzi azisusi ezinye iimida zombane
Iitracker ezine zongeza ukuguquguquka, kodwa amandla e-PV, ivoltheji yomcu, umsinga ngakunye we-MPPT kunye nokuhambelana kwemodyuli kusafuneka ziphumelele zodwa.
Iitshaneli zeMPPT ezongezelelweyo azinakulungisa:
- udidi lwamandla e-AC olungaphantsi kolunye;
- Amandla e-PV angaphaya komda womzekelo okhethiweyo;
- I-voltage yomtya ayichanekanga;
- Umphungulelo ogqithisileyo kwi-tracker enye;
- imodyuli engahambelaniyo okanye iimpawu zombane zomtya;
- Umbhobho omkhulu obufanele ukuba uqwalaselwe kuyilo lophahla.
Ii-MPPT ezine aziboneleli ngamandla amaninzi kunee-MPPT ezimbini kulo lonke uphahla. Ii-array ezifanayo zinokuba neqela elinye okanye amabini kuphela amacandelo asebenzayo. Kule meko, ii-tracker ezingasetyenziswanga zongeza ixabiso elincinci kwiprojekthi kwaye isigqibo sinokuthi sikhokelwe ngamandla e-AC, umthwalo webhetri, ixabiso okanye uyilo lwenkqubo endaweni yoko.
Inzuzo iba namandla ngakumbi kwiindawo ezinophahla olujonge empuma/ntshona, izakhiwo ezininzi, iikhanopi kunye nopahla oluphambili, umahluko osoloko ubuya kubonakala kumbala wethunzi okanye ukwandiswa kophahla okwenziwe ngokwamanqanaba apho iqela elinye le-PV elizimeleyo linokongezwa kamva.
Nje ukuba isakhiwo se-PV sihambelana ngokobuchwepheshe bombane, Ukuphambili kokutshaja i-PV kumisela ukuba kwakufanele idayithri itshajwe nini ngombane welanga ogqithisileyo, ngelixa Ingqiqo yezinto eziphambili ye-BESS EMS Ilungelelanisa igcini kunye nezinye iinjongo zokusebenza; akukho naliphi na inqanaba lolawulo elinokulungisa ulungiselelo lwe-MPPT/lwezintambo olungafanelekanga olungaphantsi kwalo.
Khetha i-R30, i-R40 okanye i-R50 emva kokuba i-MPPT Map Passes
Ukukhetha imodeli kuba lula xa uphahla sele lwehlisiwe lwaba ngamaqela e-PV anokusetyenziswa ngombane. I-R30KH3, i-R40KH3 kunye ne-R50KH3 ke zohluka kakhulu kwisigaba samandla malunga nolwakhiwo olufanayo lwe-MPPT ezine.
| Isiphumo sokuqala seprojekthi | Indlela yemveliso |
|---|---|
| I-PV ≤45 kW kunye nemveliso ye-AC efunekayo ilingana ne-30 kW | R30KH3 |
| I-PV ≤60 kW kunye nemveliso ye-AC efunekayo ilingana ne-40 kW | R40KH3 |
| I-PV ≤75 kW kunye nemveliso ye-AC efunekayo ilingana ne-50 kW | R50KH3 |
| Ngaphezu kweqela ezine le-PV ezahluke kakhulu ngokwezinto ezibalulekileyo | Hlela ngokutsha ukwahlulwa kwezinto okanye isakhiwo se-inverter |
| I-MPPT enye idlula imida yayo yangoku. | Yabela ngokutsha imicu phambi kokuba kuvunywe |
| I-voltage ecetywayo iphandle kwesithuba se-voltage esivumelekileyo. | Tshintsha ubude bomtya okanye useto |
Imigca emithathu yokuqala yeyokudlulisela nje ukusuka ekukhethweni kwe-MPPT ukuya ekukhethweni kwe-power-class; iprofayili yomthwalo, umsebenzi wokuxhasa, amandla ebhetri kunye nokudityaniswa kwinethiwekhi zisachaphazela imodeli yokugqibela.
I-R30KH3, i-R40KH3 kunye ne-R50KH3 zineziphumo ze-AC ezilinganisiweyo ze 30 / 40 / 50 kW kunye namandla aphezulu e-PV ka 45 / 60 / 75 kW, ngoko ke indlela yemveliso kufuneka ikhethwe kuphela emva kokuba i-roof map, i-per-MPPT current kunye ne-string-voltage checks ziphumelele.
Okubanzi Uyilo lwenkqubo yokugcina amandla ebhetri ye-C&I Kufuneka ke kulungelelaniswe amandla e-inverter, amandla ebhetri, imida yokuqhagamshela kunye nendlela yokusebenza.
Ukhuseleko olongezelelweyo lukwahlala luyilelo olwahlukileyo kuba ukusebenza kokutshintsha kwinqanaba le-inverter ngokwako akungqini ukuba yonke indawo iya kuhlala inombane ngexesha lokunqamka kombane; imithwalo ekhuselweyo, amacwangciso okwahlula nokudlulisa asenqala ukumisela ukuba Inkqubo yebhetri edityaniswe nogridi ingasebenza njengomthombo wamandla oncedisayo..
Ii-MPPT ezine zongeza ixabiso kuphela xa uphahla lufuna ii-trackers ezine.
Esona sizathu sinamandla sokusebenzisa ii-MPPT ezine sisophahla apho amaqela ee-PV ahluke kakhulu ngokwezinto ezisetyenzisiweyo, ngenye indlela, anokunyanzelwa ukuba afakwe kwindawo enye yokulandelela ilanga.
I-R30KH3, i-R40KH3 kunye ne-R50KH3 ziba ngabagqatswa abomeleleyo xa iprojekthi ineendlela ezininzi ezifanelekileyo zokubeka uphahla, amacandelo ezakhiwo ahlukeneyo, umahluko osisipheneyo kwimithunzi, iikhanopi ezahlukileyo kunye neendibano zophahla okanye izibini ezininzi zeentambo ezihambelana ngombane ezixhamla ekulandeleni iyanamhlanje ngokuzimeleyo.
Iindawo ezinesigaba esinye esifanayo sophahla kunye neentambo ezifanayo zinokufumana okuncinci kwiitracker zazo zine. Yenza imephu yophahla phambi kokuba uhlawulele ukuguquguquka okongeziweyo kwe-MPPT. Apho indawo ngokwenene idinga amaqela amane azimeleyo, i-R-series inika indlela ecacileyo yemveliso: Iitracker zeMPPT ezine zihlala zingaguquki ngelixa umthengi ekhetha isiphumo se-AC esiyi-30, 40 okanye 50 kW kunye namandla aphezulu e-PV ayi-45, 60 okanye 75 kW ukuze ahambelane nomsebenzi wendawo.
Ukudityaniswa kwebhetri kusisihlolo esahlukileyo
Ukudityaniswa kwebhetri kufuneka ke kuhlolwe ngokwahlukileyo kuba i-R-series idwelisa i Uluhlu lwebhetri ye-lithium-ion eyi-150–800 V, iindawo zokufaka iibhetri ezimbini kunye nomlinganiselo ophezulu wangaxeshanye wogalelo lwamandla lwebhetri we-80 A. Iinkqubo ezivela kubaboneleli abahlukeneyo zisadinga unxibelelwano lwe-BMS oluhambelanayo kunye nemida yokusebenza, ngoko ke Umda wokudityaniswa kwe-PCS nebhetri Iba yinxalenye ebalulekileyo kuphela emva kokuba isakhiwo se-PV-side sigqityiwe.
Thumela i-PV kW ecetyiweyo, i-AC output efunekayo, idatha yombane yemoja/yomtya kunye nokwabiwa kweendawo zophahla; i-MegSolid ingahlola ukuba la maqela mane e-MPPT angangena kakuhle na nokuba leliphi udidi lwamandla lwe-R-series ekufuneka lusiwe kuyilo oluneenkcukacha.
Imibuzo Ebuzwa Rhoqo
Ithini intsingiselo ye-4 MPPT kwi-inverter yelanga yorhwebo?
Oku kuthetha ukuba i-inverter ineetshaneli ezine ezizimeleyo zokulandelela i-maximum-power-point, ezivumela ukuba kufikelele kumaqela amane okusebenza e-PV alandelelwe ngokuzimeleyo xa uyilo lombane luxhasa eso sabelo.
Ingaba i-4 MPPT ithetha ukuba i-inverter inokulungelelanisa ngokugqibeleleyo iindawo ezisibhozo zophahla ngokuzimeleyo?
Hayi. Ii-R30KH3, R40KH3 kunye ne-R50KH3 zibonelela ngeengeni zomtya ezimbini kwi-MPPT nganye, kodwa imitya emibini ephantsi kwe-tracker enye yabelana ngendawo efanayo yokusebenza ye-MPPT, ngoko ke iingeni zomtya ezisibhozo zisenza kuphela amaqela amane azimeleyo okulandela.
Ingaba iistrings ezijonge empuma nezijonge entshona kufuneka zisebenzise ii-MPPT ezahlukileyo?
Kwiimeko ezininzi ewe xa iiprofayili zabo zokukhanya kunye neendawo zokusebenza zohluke kakhulu, kodwa isigqibo sokugqibela kufuneka sisekelwe kwiimeko zangempela zemodyuli, isitringu, ivoltiji, ikhariji kunye nokufiphala endaweni yomgaqo ojikeleleyo osekwe kuphela kwicala elijonge ngalo.
Ingaba i-inverter ye-50 kW ingamkela i-PV ye-75 kW?
I-R50KH3 ikhupha i-AC output elinganiselwe kwi-50 kW kunye namandla e-PV aphezulu angama-75 kW. I-array isafuneka idlule kwimida ye-per-MPPT current, i-voltage, i-string kunye noyilo lweprojekthi phambi kokuba loo mthamo we-PV uvunywe.
Yeyiphi eyona nani liphezulu lomsinga wokungena nge-MPPT nganye kwi-R30KH3, R40KH3 kunye ne-R50KH3?
Eyona max current yokufaka ipapashiweyo yi-40 A nge-MPPT nganye, kunye ne-60 A njenge-short-circuit current nge-MPPT nganye, ngoko ke i-tracker nganye kufuneka ihlolwe yodwa emva kokuba amandla e-PV iyonke ahlolwe.
Luluphi uluhlu lwe-voltage ye-MPPT lwe-R30KH3, R40KH3 kunye ne-R50KH3?
Uluhlu lokusebenza lwe-MPPT olupapashiweyo yi-150–850 V, kunye ne-voltage yokuqalisa eyi-180 V kunye ne-voltage engenayo ye-PV elinganisiweyo eyi-600 V. Uyilo lokugqibela lwe-string kusafuneka lwanelise imida ye-voltage yeprojekthi evunyiweyo kulo lonke uluhlu lobushushu olulindelekileyo.
Ngaba ii-MPPT ezininzi zingakulungisa ukugqatswa okungaphelelanga?
Iizikhokeli ezizimeleyo ezingakumbi zinganceda ukwahlula amaqela e-PV anemiqathango yokusebenza eyahlukileyo, kodwa azisusi umthunzi ngokwawo okanye ziqinisekise inzuzo yamandla engaguqukiyo. Ucwangciso lophahla nendlela yokusingatha umthunzi zisabalulekile.
I-inverter ye-4 MPPT ayifuneki nini?
Iinqwelo zokuthengisa ezifanayo ezineqela elinye okanye amabini azinzileyo okusebenza kwe-PV zinokungaxhamli kakhulu kuzo zonke iitracker ezine, ngoko ke amandla e-AC, umthamo we-PV, umthwalo webhetri kunye nexabiso zinokuba yeyona nto ibalulekileyo kunenani le-MPPT.
Zikhethwe njani ii-R30KH3, R40KH3 kunye ne-R50KH3 emva kokuba isicwangciso se-MPPT sigqityiwe?
I-R30KH3 ilungele iiprojekthi ezingaphakathi kwemida yayo ye-30 kW AC / 45 kW PV, i-R40KH3 ingaphakathi kwe-40 kW / 60 kW, kunye ne-R50KH3 ingaphakathi kwe-50 kW / 75 kW, kuxhomekeke kwiitsheki zombane ezijongene nomthwalo, ibhetri, igridi kunye neprojekthi.
Ingaba iintambo ezimbini ezineentlobo ezahlukeneyo zemodyuli zinokwabelana nge-MPPT enye?
Akufanelanga kuthiwe ziyahambelana. Iimpawu zombane ezahlukeneyo zinokudala indawo yokusebenza ekwabelwana ngayo engafanelekanga, ngoko ke idatha yemodyuli nedatha yesitringu kufuneka zihlolwe phambi kokuba zibekwe kwi-tracker enye.
Ingaba i-inverter ye-4 MPPT iluncedo kwiinqaba zophahla lweendawo zokugcina iimpahla?
Ingaba luncedo ngokukodwa apho iinqaba zee-warehouse zinezicandelo ezisinge empuma/ntshona, iikhanopi, izandiso okanye iindawo ezinomthunzi eziphindaphindayo ezixhamla kumaqela okulandelela azimeleyo.
Ingaba i-inverter ye-4 MPPT iluncedo kwiivenkile ezinkulu nakwiindawo zentengiso?
Ewe, ingakumbi apho isiza sidibanisa uphahla oluphambili, i-PV yecarport, iikhanopi okanye iinxalenye ezininzi zezakhiwo ezineendlela zokujonga okanye iipateni zokuthambeka ezahlukeneyo, ukuba imida yevoltheji yomcu kunye neyokuhamba kwesigaba nayo iyadlula.
Ingaba i-inverter ye-4 MPPT ifanelekile kwiindawo zemizi-mveliso ezinokwandiswa kophahla kwixesha elizayo?
Isenokuba luncedo apho isixhobo sokulandelela esingasetyenziswanga sisahleli sikhona kwisigaba se-PV esizayo esine-elektroniki eyahlukileyo, kodwa ukwandiswa kusafuneka lungene kumda wamandla apheleleyo e-PV ye-inverter, umsinga we-MPPT, ivoltheji kunye namandla e-AC.