NguLiu, uMphathi Jikelele kunye noNjineli we-R&D kwa-KRL Power
Iminyaka engama-20 yamava kwi-C&I Energy Storage | Owayesakuba yi-R&D yakwa-Huawei
Ukugcinwa kwamandla akuseyonto yokuzikhethela kumaziko amaninzi orhwebo nawoshishino. Apho ukuqhawuka kombane kuyaphazamisa imveliso, iindleko zedizili ziqhubeka nokunyuka, okanye iiseti ezinkulu ze-photovoltaic azikwazi ukusetyenziswa ngokupheleleyo, inkqubo yamandla ngokwayo iba yimpahla ebaluleke kakhulu kwishishini.
Iifektri, iindawo zemigodi, iipaki zemizi-mveliso, amaziko edatha kunye nezakhiwo ezikude azidingi nje ibhetri enkulu. Zidinga iziko lamandla elikwaziyo ukulungelelanisa ukuveliswa kombane ngamaqonga elanga, ukugcinwa kombane kwibhetri, umbane we-utility, ukuveliswa kombane ngedizili kunye nemithwalo etshintshayo ngaphandle kokudala ingqokelela entsonkothileyo yezixhobo ezivela kwimithombo eyahlukeneyo.
I- KRL B522L 250kW/522kWh inkqubo yokugcina amandla epholisiweyo ngokweliqweqwe Yaphuhliselwa le mfuneko. Idibanisa ibhetri ye-522kWh ye-lithium iron phosphate, i-PCS ye-250kW esebenza macala omabini, i-MPPT ye-240kW enee-channel ezimbini, i-BMS, i-EMS kunye nojongano wejenereyitha yedizili kwikhabhathi enye edityaniswe kakhulu.
Kubathengi, ixabiso lokwenene alikho kumthamo wayo kuphela. Le nkqubo idala iziko lamandla elinokulawulwa elinokunciphisa ukuxhomekeka kwinethiwekhi yombane, liphucule ukusetyenziswa kwamandla elanga, linciphise iiyure zokusebenza zedizili kwaye likhusele imithwalo ebalulekileyo.
Yeyiphi Ingxaki Abazama Ukuyisombulula Ngokwenene Umthengi?
Uninzi lweemibuzo ngeeprojekthi ekuqaleni zijolise kwinani elinye: Ndingadinga iikhilowathi-yemitha ezingaphi? Elo nani lodwa alonelanga ukukhetha inkqubo yokugcina amandla yorhwebo.
Ucwangciso olusebenza ngokobuchwepheshe kufuneka luphendule imibuzo emine eyahlukileyo:
- Yeyiphi imilinganiselo yamandla angapheliyo ekufuneka inkqubo iyinikezele?
- Imithwalo ekhuselekileyo kufuneka isebenze iiyure ezingaphi?
- Lingakanani amandla elanga afumanekayo ukuze kusetyenziswe emini nokutshaja ibhetri?
- Kufanele kwenzeke ntoni xa amandla elanga kunye namandla agciniweyo bengonelanga?
I-250kW PCS ichaza amandla alinganisiweyo akhawuntara nokukhupha amandla e-cabinet. Ibhetri ye-522kWh ichaza amandla ayo aqhelekileyo agciniweyo. Ezi xabiso zimbini kufuneka zivavanywe zikunye.
Umzekelo, ibhetri eyi-522kWh ngokwethiyori ingakwazi ukuxhasa umthwalo ongaguqukiyo we-250kW kangangentsuku ezimalunga ne-2.09. Ingakwazi ngokwethiyori ukuxhasa umthwalo we-100kW kangangentsuku ezimalunga ne-5.22. Ixesha lokwenene lokusebenza liya kuba mfutshane emva kokuba kuthathwe ingqalelo imeko yokugcina yebhetri, ilahleko yoguqulo, imida yokukhusela ibhetri, ubushushu, ukuguga kunye nemfuno yemithwalo etshintshayo.
| Umthwalo oqhelekileyo oxhaswayo | Ixesha eliqikelelweyo lokusebenza livela kwi-522kWh |
|---|---|
| 250kW | Iiyure eziyi-2.09 |
| 200kW | Iiyure eziyi-2.61 |
| 150kW | Iiyure ezintathu nemizuzu amashumi amane anesibhozo |
| Ilikhulu lamawaka eekhilowathi | Iiyure eziyi-5.22 |
La ngamaqikelelo amandla okuqala, hayi ixesha lokusebenza eliqinisekisiweyo. Ukuze kufunyanwe ubungakanani obugqibeleleyo kufuneka iprofayile yemithwalo yendawo ngokwamaxesha kunye nefestile ye-SOC evunyelweneyo enokusetyenziswa.
Umsinga wokuqalisa imoto yenye into ebalulekileyo ekufuneka iqwalaselwe. Iziko elinomthwalo oqhelekileyo we-150kW lisengagqitha kwi-PCS ye-250kW ngexesha lokuqaliswa ngaxeshanye kweempompo, iikompressor, izixhobo zokuthutha okanye izixhobo ze-HVAC. Ngoko ke, ulandelelwano lokuqalisa iimoto, uqwalaselo lwe-VFD kunye nemfuno ephezulu kufuneka ziqinisekiswe phambi kokuba kwenziwe ukhetho lokugqibela lwenkqubo.
Ikhabhinethi enye yokulungelelanisa iSola, iGcino, iGridi kunye neDizili
I-B522L yenzelwe ukuba ibe yikhabhathi enye equka yonke imicimbi ye-microgrid yelanga, yokugcina amandla, neyedizili, kunokuba ibe yikhabhathi yebhetri exhomekeke kwizixhobo ezininzi zoguqulo zangaphandle.
Ingqikelelo yayo echanekileyo yohlelo yile: PV array → integrated dual-channel MPPT → DC energy system → battery and integrated PCS → AC distribution → industrial loads.
Igridi nejeneretha yedizili zidityaniswe ngokusebenzisa uyilo oluvunyiweyo lwe-AC switchgear, ulikhuselo kunye nosasazo lweprojekthi. I-EMS ke ilungelelanisa imithombo yamandla ekhoyo ngokwemfuno yomthwalo, i-SOC yebhetri, imveliso yelanga, amaxesha erhafu kunye nemigaqo yokusebenza yejeneretha.
Ngenxa yokuba i-B522L sele iquka umthamo we-240kW MPPT kunye ne-250kW PCS, akufuneki kongezwe i-inverter ye-PV yangaphandle okanye i-MPPT yangaphandle kwi-topology esemgangathweni, ngaphandle kokuba iprojekthi ethile ifuna i-subsystem ye-PV edityaniswe nge-AC eyilwe ngokwahlukileyo.
Le nqanaba yodibaniso inciphisa iindawo zokusebenzisana kwezixhobo, yenza lula uxanduva lolawulo kwaye inika iqela le-EPC umda ocacileyo wokwamkela umsebenzi.
Isizathu sokuba i-KRL B522L ilungele iiprojekthi ze-C&I ezinamandla aphezulu
I-B522L ithatha indawo efanelekileyo ephakathi kweekhabhathi ezincinci ze-C&I kunye neenkqubo ezikwiikhontenela ezinamandla angamashumi amawaka e-megawatt. Ikhabhathi enye inokuxhasa imithwalo emikhulu yoshishino ngaphandle kokunyanzela umthengi kwangoko ukuba asebenzise isisombululo sekhontenela enkulu.
Amandla Alinganiselweyo kunye nobungakanani bamandla
Umdibaniso wamandla e-PCS alinganiselwe kwi-250kW kunye namandla ebhetri angama-522kWh unika ixesha eliqikelelwa kwiiyure ezimbini zokusebenza xa ikhutshwa ngokupheleleyo. Oku kulungele ukunciphisa umthwalo wokuphakama, ukutshintshelwa kwamandla elanga, inkxaso yokunqamka kombane okwexeshana ukuya kokuphakathi, kunye nokusebenza kwe-microgrid yelanga nedizili.
Uqhagamshelwano Oluthe Ngqo Lwe-PV Enkulu
The integrated 240kW MPPT provides two MPPT channels with a 250–850Vdc operating range. This allows two PV sub-arrays or differently oriented PV strings to be managed without installing a separate standard PV inverter in the base architecture.
Amandla okusebenza kunye nokuzimela ngokupheleleyo
Le khabhinethi inye ixhasa iindlela zokusebenza ezidityaniswe kwinethiwekhi zombane kunye nezo zingadibananga nazo. Xa inethiwekhi yombane ingasebenzi, inkqubo inokutshintshela kubonelelo olungadibananga ne-gridi kwisithuba esingaphantsi kwe-10ms phantsi kwezicwangciso zenkqubo ezivunyiweyo.
Olu tshintsho lukhawulezayo luncedo kulawulo lwemveliso, unxibelelwano kunye nemithwalo emininzi yorhwebo. Nangona kunjalo, akufanelanga ukuba luthathwe ngokuzenzekelayo njengokuthatha indawo kuyo yonke i-UPS ye-double-conversion. Iiseva zama-data center, iinkqubo zokhuseleko lwezonyango kunye nezilawuli zenkqubo ezibuthathaka ngokugqithisileyo zisenokufuna umaleko we-UPS ozinikeleyo kunye novavanyo lokutshintshela olulungelelanisiweyo.
Ulungelelwaniso lweJenereyitha yedizili
Ujongano oludityanisiweyo lwejenereyitha yedizili luvumela i-EMS ukuba isebenzise ijenereyitha njengomthombo wokuxhasa olawulwayo. Endaweni yokuqhuba ijenereyitha ngokuqhubekayo phantsi komthwalo ophantsi nongasebenzi kakuhle, inkqubo inokubeka phambili amandla aveliswa lilanga kunye namandla agciniweyo, ize iqalise okanye yandise umthwalo wejenereyitha xa izinga lamandla ebhetri (SOC), imfuno yomthwalo okanye iishedyuli zokusebenza zifuna njalo.
Ukupholisa nge-Likiid kwiimeko ezifuna kakhulu
Ukupholisa ngokwamanzi kunceda ukulawula umahluko wamaqondo obushushu kuyo yonke inkqubo yebhetri kwaye kuxhasa ukusebenza okuzinzileyo ngakumbi xa kusetyenziswa amandla aphezulu rhoqo. Uluhlu lwamaqondo obushushu aqinisekisiweyo okusebenza kwesi sicwangciso lolu -30°C to 55°C.
Ikhabhathi yebhetri inokhuseleko olulinganiselwe kwi-IP65. Ukufakwa kokugqibela ngaphandle kufuneka kusacinge ngokuhamba kwamanzi, umgangatho wezikhukula, isithuba sokungenisa umoya, ukwahlulwa kwemililo, umthwalo wesiseko, uthuli olungqongileyo, imvuthuluka yetyuwa, ukuphakama kwendawo kunye nemigaqo yombane yasekuhlaleni.
Iinkcukacha zobuchwepheshe ze-KRL B522L
| Into | Iinkcukacha ze-KRL B522L |
|---|---|
| Umzekelo | KRL-B522L-250H3S-240M2-HX1 |
| Ikhemistri yebhetri | I-Lithium iron phosphate |
| Amandla ebhetri alinganisiweyo | 522 kWh |
| I-voltage yebhetri exeliweyo | Amashumi asibhozo anamathathu anamabini A |
| Umthamo webhetri oqikelelweyo | 628 Amah |
| Amandla alinganisiweyo e-PCS | 250kW |
| Ukuphuma okunxibelelene nogridi/okuzimeleyo | 400Vac/230Vac, i-three-phase |
| Isantya esilinganisiweyo | 50Hz/60Hz |
| Umlinganiselo ophezulu wamandla ombane otyibilikayo | Ngenxa yokuba i-375A ingekho, kufuneka ufake isicelo sokufumana i-375A. |
| Amandla angenayo e-PV | 240kW |
| Iitshaneli ze-MPPT | 2 |
| Uluhlu lwe-voltage ye-MPPT | 250–850Vdc |
| I-voltage ephezulu ye-PV | 950V umbane oqhubekayo |
| Ukutshintshela phakathi kwe-grid nokungaphandle kwayo | Ngaphantsi kwe-10ms |
| Ixhwayelo legenerator yedizili | Kubandakanyiwe |
| Ukuhlanganiswa kolawulo | BMS, PCS kunye ne-EMS |
| Ukukholisa ibhetri | Ukupholisa ngamanzi |
| Ukhuseleko lwekhabhathi yebhetri | Ipasi yomgangatho we-IP65 |
| Unxibelelwano | RS485, WiFi okanye 4G, kuxhomekeke kuseto. |
| Iqondo lobushushu lokusebenza | -30°C to 55°C |
| Ubuchule obuhambelanayo | Ukuya kutsho kwiikhabhathi ezi-6, kuxhomekeke kuyilo lwenkqubo. |
| Imilinganiselo elinganiselweyo | 2480 × 1400 × 2050mm |
| Ubunzima obuqikelelwayo | 4,900kg |
Abathengi abathelekisa iimfumba ezahlukeneyo banokujonga kwakhona eyona ipheleleyo. Uluhlu lweemveliso zika-KRL zokugcina amandla ezorhwebo nezoshishino.
Indlela iZiko laMandla elisebenza ngayo
Ukusebenza Okunika Ilanga Ukuphambili
Emini, amandla aveliswa yelanga aqala axhase umthwalo osebenzayo. Amandla agqithisileyo afumanekayo atshaja ibhetri. Xa imveliso yelanga yehla ngenxa yeelifu okanye imfuno yangokuhlwa, ibhetri ibonelela ngomahluko.
Kwimveliso epheleleyo ye-240kW ye-PV, ixesha eliqikelelwayo lokuhambisa i-522kWh malunga neeyure ezi-2.18. Ixesha lokwenene lokutshaja lide ngakumbi kuba inkqubo ye-PV isenokuba ixhasa imithwalo yezixhobo, ngelixa amandla okutshaja achatshazelwa kukukhanya kwelanga, imida ye-SOC, ubushushu kunye nokulahleka kokuguqulwa.
Ukunciphisa ixesha eliphezulu lomthwalo kumbane nokulawula iindleko zombane
Kwisakhiwo esidityaniswe kunethiwekhi yombane, i-EMS inokukhupha umbane kwibhetri xa imfuno yenethiwekhi isondela kumda ovunyelwene ngawo okanye ngexesha lamazinga exabiso aphezulu. Inokuphinda itshaje ngexesha lamazinga exabiso aphantsi okanye xa kukho umbane ogqithisileyo oveliswe ngamaqweqwe elanga.
Isiphumo sezemali sixhomekeke kwitarif yengingqi. Umthengi kufuneka anikeze iintlawulo zomrhumo, amaxabiso exesha-lokusetyenziswa, izithintelo zokuthumela ngaphandle kunye nedatha yomthwalo yezinsuku ezingama-30 ubuncinane phambi kokucela ukubalwa kwe-ROI. Ukuze ufumane umbono obanzi wocwangciso lweprojekthi, bona i-KRL's Izisombululo ze-ESS zorhwebo nezoshishino.
Ukusebenza kwe-Microgrid engaxhunyaniswanga
Kwiindawo ezikude, amandla elanga anokusebenza njengomthombo oyintloko wamandla, ibhetri njengomthombo wokulinganisa nowobusuku, kunye nejenereta yedizili njengentshaxa yexesha elide.
Olu lungelelwaniso lunokunciphisa ukusetyenziswa kwamafutha, ixesha lokusebenza kwejeneretha, ubuninzi bokugcinwa kunye nomngcipheko wokuhanjiswa kwamafutha. Oku akuthethi ukuba ijeneretha inokususwa ngamaxesha onke. Kwindawo engaphandle kwegridi ebaluleke kakhulu kumsebenzi, umthamo wedizili ofunekayo uxhomekeke kwiimeko zelanga ngokwamaxesha onyaka, ukuzimela okwamkelekileyo, isicwangciso sokutshaja ibhetri kunye neziphumo zemozulu embi ehlala ixesha elide.
Ukusebenza ngombane wokuxhasa
Xa umbane usilela, ikhabhathi inokuxhasa ibhasi ekhethiweyo yomthwalo obalulekileyo. Imithwalo engabalulekanga ngokwesiqhelo kufuneka yohlulwe okanye ikhutshwe ngokuzenzekelayo ukuze amandla agciniweyo angasetyenziswa zizixhobo ezingaphantsi kwezibalaseleyo. Iziko elivavanya lo msebenzi lingajonga kwakhona isikhokelo se-KRL malunga ne Ibhetri yokurhweba yokuxhasa xa kukho ukunqamka kombane.
Apho le nkqubo idala ixabiso elikhulu khona
- Iifektri neepaki zemizi-mveliso: Nciphisa iincopho zomthamo, fumana amandla avela kwi-PV yophahla, kwaye ukhusela izixhobo zokuvelisa eziphambili kwiziphazamiso zombane ezimfutshane kunye neegridi ezingazinzi.
- Izimayini, amachibi e-oyile kunye neendawo zemizi-mveliso ezikude: Thatha indawo yenxalenye yokuveliswa kombane ngedizili, ngelixa ugcina ijenereyitha yokuxhasa ngexesha leentsuku ezinde ezinelanga elincinci kunye nemithwalo enzima engaxhaphakanga.
- Iiziko ledatha nezixhobo zonxibelelwano: Xhasa ukomelela kwinqanaba lezibonelelo kunye nolawulo lweendleko zamandla, ngelixa ulungelelanisa imithwalo ebalulekileyo ye-IT kunye ne-UPS yendawo kunye nesakhiwo sokuhambisa.
- Izibhedlele nezikhungo zikaxakeka: Yanika unyango olongezelelweyo lokumelana nokuphazamiseka kwamandla xa iisekethe ezibalulekileyo nezingabalulekanga zahlulwe ngokuchanekileyo kwaye imigaqo-nkqubo yasekuhlaleni yokuxhasa ngombane iyagutyungelwa.
- Izizinda zorhwebo neendawo zokutshaja izithuthi zombane: Nciphisa imfuno yegridi edalwe yi-HVAC, izixhobo zokupholisa okanye ukutshajwa kwezithuthi ngaxeshanye, ngelixa ukonyusa ukusetyenziswa kwamandla elanga kwingingqi.
Ukusuka kwiKhabhinethi enye ukuya kwiNkqubo yeeKhabhinethi ezininzi
Ukuya kutsho kwiikhabhathi ezintandathu ze-B522L zinokusetyenziswa ngokunxuseneyo, zisenza malunga ne-3.132MWh yomthamo webhetri oqhelekileyo kunye nokuya kutsho kwi-1.5MW yamandla e-PCS adityanisiweyo.
Ukukwazi ukusebenza ngokunxuseneyo akufanelanga kutolikwe njengokudibanisa iikhabhathi ngomtya-lentsimbi omnye nje. Uyilo lweekhabhathi ezininzi lufuna iibhaskibha ezilinganisiweyo ngokufanelekileyo okanye ikhabhathi edibanisayo, iswitshiji ye-AC, ulungelelwaniso lokhuseleko, umthamo wetransfoma, uhlalutyo lomjikelo omfutshane, ukugandaywa komhlaba, unxibelelwano kunye nesicwangciso se-EMS kwinqanaba lesiza.
Ezi zidibanisi kufuneka zibekelwe kwidayagram yomgca omnye yesigaba sokuqala ukuba umthengi ulindele ukwandisa kwixesha elizayo. Ukuzicwangcisa kwangethuba kuphepha ukutshintsha iitransformer ezincinci kakhulu, iswitshi-geya okanye iintambo kamva.
Into Ekufuneka uMthengi ayiqinisekise phambi koku-odola
- Iprofayile yemithwalo yeeyure ezingama-24, ngokukhethekileyo ngamaxesha emizuzu eli-15.
- Umthwalo oqhubekayo, umthwalo ophezulu kunye nemfuno yokuqalisa iimoto
- Ukwahlulwa komthwalo obalulekileyo nongabalulekanga
- Ixesha elifunekayo lokugcina ikopi yokhuseleko
- Umthamo we-photovoltaic okhoyo okanye ocetywayo kunye nedatha ye-string
- Ivoltheji yegridi, imvamisa, umthamo wetransformer kunye nendlela yokunqamka kombane
- Umgangatho wejenereta yedizili, ivoltiji, umlawuli kunye nesixhobo sonxibelelwano
- Imisebenzi efunekayo yokuqhagamshela kwigridi, yokuzimela kwigridi, kunye yokuqalisa ngokwayo xa kukho ugesi.
- Iqondo lobushushu lasekhaya, ukuphakama, ukufuma, uthuli kunye neemeko zenzipho
- Umzobo womgca omnye wangoku kunye nolungiselelo lokhuseleko
- Ukwandiswa okulindelekileyo kwixesha elizayo
- Ilizwe lokuhanjiswa, ishedyuli yeprojekthi kunye nee-Incoterms
- I-EPC, iintambo zombane, itransformer, iswitshi-geya nemida yomsebenzi wokumiselwa kokusebenza
Xa le nkcukacha sele ifumanekile, i-KRL ingakuqinisekisa ukuba ikhabhathi enye ye-B522L yanele na, okanye umsebenzi kufuneka usebenzise iikhabhathi ezininzi okanye inkqubo enkulu esesityeni.
Kutheni usebenza ngqo ne-KRL Power?
I-KRL Power ngumenzi wemveliso oyintloko onesiseko sokwenza iibhetri esiqale ngo-2005, kunye nobuchule bobunjineli obubandakanya iiseli, ii-PACKs, ukudityaniswa kwe-BMS, kunye neenkqubo ezipheleleyo zokugcina amandla e-C&I.
Kubathengi nakumaqabane e-EPC, intsebenziswano ethe ngqo nefektri inika iinzuzo eziphathekayo: isicwangciso sinokulungelelaniswa neprofayile yokwenene yemithwalo, iindawo zonxibelelwano zinokuqinisekiswa phambi kokuveliswa, kwaye iimfuno zokwandisa zinokufakwa kuyilo lwangaphambili lombane.
Injongo ayikokuthengisa eyona bhetri inkulu kunazo zonke. Kukuhambisa ulungelelwaniso oluchanekileyo lwamandla, umbane, umbane ovela kwelanga, inkxaso yejenereyitha kunye nendlela yokusebenza yeprojekthi.
Cela isicwangciso esikhethekileyo seprojekthi
I-KRL B522L lukhetho olomeleleyo xa iprojekthi ifuna amandla odidi lwe-250kW, malunga neeyure ezimbini zokugcina amandla apheleleyo, ingeniso enkulu yamandla avela kwi-PV ngokuthe ngqo kunye nenkxaso edityanisiweyo yegridi nedizili kwikhabhathi enye edityanisiweyo.
Thumela i-KRL iprofayile yakho yomthwalo, umzobo womgca omnye, iinkcukacha ze-PV, iinkcukacha zobuchwepheshe zegenerator, iimeko zendawo kunye nesilindelo sokuzimela. Iqela lethu lobunjineli liza kulungiselela isakhiwo sokuqala, ulungiselelo lwezixhobo kunye nekhowuteshini yorhwebo yeprojekthi yakho.
Phonononga okupheleleyo Iinkcukacha zemveliso ye-KRL B522L 250kW/522kWh Okanye qhagamshelana ne-KRL Power ukuze ufumane isiphakamiso se-microgrid ye-solar-storage-diesel esenziwe ngokweemfuno zakho.
Imibuzo Ebuzwa Rhoqo
Ingaba i-B522L enye ingakwazi ukunika amandla umthwalo woshishino we-250kW kangangeeyure ezimbini?
The nominal calculation is 522kWh ÷ 250kW = 2.09 hours. Actual runtime will be lower after reserve SOC, conversion losses, battery protection limits, ageing and auxiliary consumption are considered. KRL must review the load profile before confirming the guaranteed operating window.
Ingaba i-PV array ingaqhagamshelwa ngqo kwikhabhathi?
Yes. The B522L includes a 240kW MPPT with two MPPT channels and a 250–850Vdc operating range. PV strings must be designed within the permitted voltage and current limits. A separate PV inverter is not required for the standard DC-coupled configuration.
Ingaba le nkqubo ingayithatha indawo ngokupheleleyo yejenereyitha yedizili?
Iyakuze inciphise kakhulu ixesha lokusebenza kwejeneretha kunye nokusetyenziswa kwamafutha, kodwa ukutshintshwa ngokupheleleyo kuxhomekeke kumthwalo, kwizibonelelo zamandla elanga, kwixesha elifunekayo lokuzimela, nakwimozulu yexesha lonyaka. Izibonelelo ezibalulekileyo ezingekho kwinethiwekhi zihlala zigcina ijeneretha kwiimeko zokukhanya kwelanga okuphantsi ixesha elide, ngaphandle kokuba kufakwe iibhetri ezongezelelweyo ezaneleyo kunye nokuphindaphindwa kwe-PV.
Ingaba ixesha lokudlulisa elingaphantsi kwe-10ms lenza le nkqubo ibe yi-UPS?
Inika utshintsho olukhawulezayo ukusuka kwinethiwekhi ukuya ekuzimeleni iindawo ezininzi zokusetyenziswa zombane kushishino nakwezorhwebo, kodwa ayithathi ndawo ngokuzenzekelayo kuyo yonke i-UPS enikeleyo. Iiseva ezibuthathaka, izixhobo zonyango kunye neenkqubo zokulawula inkqubo kufuneka zivavanywe kunye ne-UPS epheleleyo, iswitshi-gear kunye nesakhiwo sokhuseleko.
Ibhetri ye-522kWh ingatshaja ngokukhawuleza kangakanani?
Kwinqanaba eliphezulu elinokwenzeka lomgangatho wamandla ongenayo we-PV we-240kW, i-522kWh imele malunga neeyure eziyi-2.18 zamandla. Ukutshaja ngokwenene kuthatha ixesha elide ngenxa yokuba umphumo welanga uyatshintsha, imithwalo yezixhobo zendawo inokusebenzisa inxalenye yamandla e-PV, kwaye i-BMS isebenzisa imida ye-SOC, iqondo lobushushu kunye nokutshaja.
Ingaba i-B522L ingasebenza nenkqubo yelanga esele ikho?
Ewe, kodwa uyilo olusele lukho kufuneka luhlolwe. Iintambo ezintsha ze-PV zinokudityaniswa kwi-MPPT edityanisiweyo ngaphakathi kwemida yayo yevoltheji kunye neyokuhamba kwangoku. Ukuba isiza sele sinee-inverters ze-PV ezidityaniswe nge-AC, i-KRL kufuneka iqinisekise ulawulo, ukuthintela i-anti-islanding, umda wokuthumela umbane ngaphandle kunye nokuhambelana nokusebenza ngaphandle kothungelwano.
Ngaba iikhabhathi ezintandathu zingadityaniswa ngokunxuseneyo kwangoko?
Le mveliso ixhasa iikhabhathi ezintandathu ezihamba ngokunxuseneyo, kodwa yonke inkqubo ifuna iswitshi-gear, iibhasi-bhara okanye ikhabhathi edibanisayo, umthamo wetransfoma, amakhonkco onxibelelwano, ulungelelwaniso lokhuseleko kunye nolawulo lwe-EMS kwinqanaba lesiza. Iindawo zokwandisa kufuneka zibekelwe bucala kumzobo womgca omnye wephase yokuqala.
Ingaba yonke inkqubo yi-IP65?
Umgangatho oqinisekisiweyo we-IP65 usebenza kwikhabhathi yebhetri. Uyilo lwesiseko, iindawo zokungena iintambo, izikhewu, amacala okukhupha amanzi, ukhuselo kunyuko lwamanzi kunye nezixhobo ze-AC ezingqongileyo kusafuneka ziyilwe ngobuchwepheshe ukuze zilungele indawo yofakelo.
Yeyiphi inkcazelo efunekayo ukuze kufunyanwe ikowuteshini echanekileyo ye-EXW okanye yeprojekthi?
I-KRL ifuna iprofayile yemthwalo, amandla aphezulu nawawokuqhubekayo, usukelo oluzimeleyo, ivoltage kunye nefrikhwensi, idatha ye-PV array, iinkcukacha zegenerator, umzobo womgca omnye, iimeko zendawo, indawo yokuhanjiselwa, ishedyuli yeprojekthi kunye nemida ecacileyo yomsebenzi we-switchgear, itransformer, iintambo, ufakelo kunye nokuqaliswa kokusebenza.
Ingaba i-B522L ilungele ukwandiswa komthamo kwixesha elizayo?
Ewe. Le nkqubo ingaba yinxalenye yofakelo olwenziwa ngokwamanqanaba ngeekhabhathi ezininzi. Uyilo lokuqala kufuneka lubekele bucala umthamo wombane owaneleyo, indawo ebonakalayo, iindawo zokudibanisa unxibelelwano kunye nezixhobo zokhuseleko ukuze iikhabhathi zexesha elizayo zikwazi ukongezwa ngaphandle kokwakha ngokutsha iziseko ezingundoqo.