Ushintsho lomhlaba olubheke emandleni ahlanzekile ludale isidingo esingakaze sibonwe sezixazululo zamandla ezingathembekile ezingabhekana nemvelo eguquguqukayo yemithombo evuselelekayo njengeyokushisa kwelanga nomoya. Njengoba amabhizinisi amaningi kanye nabangumnikazi bezindlu betshala imali kumaphaneli elanga kanye nesitoreji sebhethri, ingxenye eyodwa ebalulekile ivame ukunquma impumelelo yesistimu yonke: i-power inverter. Ngaphandle kwe-inverter esezingeni eliphezulu, ngisho ne-solar array ehamba phambili noma i-wind turbine ayikwazi ukuhambisa ugesi oqhubekayo, osizo esikhungweni. Yingakho izindaba mayelana nobuchwepheshe bamandla ziqhubeka nokugcizelela ukubaluleka kokusha kwe-inverter emkhakheni ovuselelekayo. Abaphathi bamandla namuhla bafuna imishini engaguquli kuphela i-direct current ibe yi-alternating current ngempumelelo, kodwa futhi ihlanganise kalula nengqalasizinda ekhona namapulatifomu okuqapha. Isidingo sama-inverter ahlakaniphile, aqine kakhulu asikaze sibe phezulu, njengoba izinhlangano zizabalaza ukwehlisa ukukhishwa kwazo kwekhabhoni ngenkathi kugcinwa ukwethembeka kokusebenza. Ukuze siphendule kulesi sidingo semakethe esikhulayo, i-Lifei izibeke phambili ngomkhiqizo omusha owenzelwe ukusetha isilinganiso esisha sezinhlelo zamandla avuselelekayo emhlabeni wonke.

Ukusetshenziswa kwamandla avuselelekayo kuye kwanda kakhulu emashumini eminyaka adlule, kanti ukufakwa kwamaphaneli elanga kuphela kukhuphuke ngaphezu kwamaphesenti angu-20 minyaka yonke ezifundeni eziningi. Lokhu kwanda ngokushesha kubeka ingcindezi enkulu kubakhiqizi bezingxenye ukuthi bakhiqize imishini engamelana nezimo ezinzima zangaphandle, izidingo zenethiwekhi eziguquguqukayo, kanye nokujikeleza kwansuku zonke okuqhubekayo. Ama-inverter asendulo avame ukwehluleka ezindaweni ezifana nokuphathwa kokushisa, ukusebenza kahle kokuguqula, kanye nokuxilonga ukude, okuholela ekuyekeni ukusebenza okubizayo kanye nokuncipha kokutholwa kwamandla. Ngakho-ke, ochwepheshe bemboni baye babheka izindaba eziyiqiniso mayelana nemishini yamandla ebhekana nalezi zinkinga ngqo. Ingxoxo isuke ekukhiqizeni nje amandla avuselelekayo ukuya ekwenzeni kahle wonke ama-watt akhiqiziwe, futhi i-inverter isesikhungweni salokho kwenziwa kahle. Amabhizinisi manje acatshangelwa ukusebenza kwe-inverter njengesici esibalulekile lapho kubalwa inzuzo yokutshalwa kwezimali kumaphrojekthi elanga nawomoya. I-Lifei iqaphele leli threndi kusenesikhathi futhi yafaka imali enkulu ocwaningweni nasekuthuthukisweni ukuze idale isixazululo esihlangabezana nezidingo eziqinile zengqalasizinda yamandla yesimanje. Umphumela uwu-inverter wamandla ongagcini nje ngokuhlangabezana namazinga amanje kodwa uphinde ubheke phambili izidingo zesikhathi esizayo zokuxhumana nenethiwekhi kanye nokuphathwa kwamandla okusekelwe kudatha.

I-Lifei, uhlobo olwaziwa ngokuzibophezela kwalo kwezinto ezintsha zikagesi ngokusebenzisana ne-Delixi Electric, lwenze isingeniso ku-inverter yamandla entsha eyenzelwe izinhlelo zamandla avuselelekayo ezohwebo nezimboni. Lo mkhiqizo umele ukuthuthuka okukhulu kubuchwepheshe bokuguqula amandla, uhlanganisa izinto ezithuthukisiwe ze-semiconductor nezinqubo zokulawula ezihlakaniphile ukuze kufezeke ukusebenza okuholela embonini. I-inverter yakhelwe ukubhekana nohlu olubanzi lwamavoltage okufaka namazinga amandla, okwenza ilungele konke kusuka kumalungiselelo elanga ophahleni aphakathi nendawo kuya kumalungiselelo amakhulu axhunywe ezinsizakalweni. Ithimba lobunjiniyela le-Lifei lagxila ezinsileni ezintathu eziyinhloko ngesikhathi sokuthuthukiswa: ukukhulisa ukudluliswa kwamandla, ukuqinisekisa ukwethembeka kwesikhathi eside ezindaweni eziyingozi, nokunikeza abasebenzisi ukubonakala kwesikhathi sangempela ekusebenzeni nasekusebenzeni kwesistimu. Ukwethulwa kuye kwadala intshisekelo enkulu kulo lonke umkhakha wamandla, nabathuthukisi bokuqala bedumisa ikhono leyunithi lokugcina ukusebenza kahle okuphezulu kokuguqulwa ngisho nasezindaweni ezithile. Ezinkampanini ezifuna ukuthuthukisa ingqalasizinda yazo yamandla avuselelekayo, lesi sipho esisha esivela ku-Lifei sinikeza inketho eyinhle ethembisa ukuthuthukisa kokubili ukukhiqizwa kwamandla nokuthula kwengqondo yokusebenza.

Uzakhiwo lwe-inverter luhlanganisa izinto eziningi ezintsha zokuklama eziluhlukanisa namamodeli esizukulwane esidala. Isici esibalulekile ukwakhiwa kwayo okuyimodyuli, okuvumela ukufakwa okulula, ukugcinwa, nokukala njengoba izidingo zamandla zikhula. Ochwepheshe bangasebenzisa amamodeli amandla ngamanye ngaphandle kokukhipha uhlelo lonke, kunciphisa isikhathi esiphakathi sokulungisa nokukhulisa ukutholakala kohlelo. Le modyuli iphinde ivumele abaklami bohlelo ukuthi balungise kahle ukucushwa kwe-inverter ezidingweni ezithile zephrojekthi, bagweme ukungasebenzi kahle okuhambisana nokweqisa noma ukungabi ncamashi kwemishini. I-Lifei iphinde yahlanganisa imisebenzi eqinile yokusekela igridi ku-inverter, okuhlanganisa ukulawula amandla okusabela, ukudlula kwevoltheji ephansi, namakhono okulawula imvamisa. Lezi zici ziqinisekisa ukuthi i-inverter ayihambisani nezinga elisha lokuxhuma igridi kuphela kodwa futhi iqhuba ngempela ekuzinzeni kugridi ezindaweni ezinokungena okuningi kwezivuselelekayo. Njengoba izindaba mayelana nobuchwepheshe bamandla ziqhubeka nokushintsha, ukuzibophezela kwe-Lifei ekwakhiweni okuyimodyuli, okwaziyo igridi kubeka le inverter njengenketho ehlala isikhathi eside ezinhlanganweni ezihlela ukwandisa umthamo wazo wamandla avuselelekayo ngokuhamba kwesikhathi. Isipiliyoni esijulile senkampani ekusabalalisweni nasekulawuleni ugesi, esaqiniswa ngokusebenzisana neminyaka nabalingani bemboni, sibonakala ngokucacile ekwakhiweni okucatshangelwe kakhulu komkhiqizo omusha.

Inhliziyo ye-inverter entsha yakwaLifei igxile ekusebenzeni kahle kwamandla okudlula izindinganiso ezijwayelekile. Leyunithi ifinyelela ukusebenza okuphezulu kokuguqula okungaphezu kwamaphesenti angu-98, okusho ukuthi ingxenye encane kuphela yamandla atholwe kumaphaneli elanga noma izinjini zomoya elahlekile ngesikhathi sokuguqulwa. Lokhu kusebenza kahle kuguqulela ngqo ekukhiqizeni amandla amaningi esikhathini eside sesistimu, kuthuthukisa inzuzo yezezimali kubanikazi bamaphrojekthi futhi kunciphisa isikhathi sokubuyisa imali abayisebenzisile. I-inverter isebenzisa ama-algorithm athuthukile wokulandela amaphuzu amandla aphezulu alungisa njalo ezimweni eziguquguqukayo zelanga nezinga lokushisa, iqinisekisa ukuthi i-solar array ihlale isebenza endaweni yayo yokukhiqiza ephezulu. Noma ngisho nezinsuku ezinefu elingxenye, lapho amazinga okukhanya eshintsha ngokushesha, ubuchwepheshe be-MPPT be-inverter busabela ngokushesha ukuze buqonge amandla amaningi atholakalayo. Lokhu kugcizelelwa ekusebenzeni kahle kwamandla kuyizindaba ezinhle kakhulu ezimayelana namandla ezifuna ukuzizwa abaphathi bezindawo nabathuthukisi bamandla avuselelekayo, ngoba kuthinta ngqo ibhizinisi labo kanye nemigomo yabo yokusimama ngokufanayo.

Ukuqina kungenye yezimpawu ezibalulekile ze-inverter ye-Lifei, eyaklanywa futhi yahlolwa ukuthi isebenze ngokuthembekile kwezinye zezimo ezinzima kakhulu zemvelo. Indawo yangaphandle inezinga eliphezulu lokuvikela ukungena, ivikela izingxenye zangaphakathi kothuli, umswakama, nesifutho sikasawoti esingadala ukwehluleka kungakaphumeli imikhiqizo encane. Ukuphathwa okusebenzayo kokushisa, okuhlanganisa ukulawula okuhlakaniphile kwabalandeli nokuthuthukiswa kwe-heat sink, kugcina izindawo ezibalulekile ze-semiconductor ezingeni lokushisa eliphephile ngisho nasezikhathini ezishisa kakhulu zasehlobo. I-Lifei iphinde yafaka ukuvikelwa kokushintshashintsha nokugadwa okuthuthukisiwe kokufakwa ukuze kuvikelwe imishayo yokuduma nomonakalo womhlaba, izimbangela ezivamile zokuyeka ukusebenza kwe-inverter ekufakweni ensimini. Ngaphezu kokuqina kwezingxenye zangaphandle, i-inverter inesici esiphelele sesikhulumi sokugada esinikeza abasebenzisi ukubonakala okungakaze kube khona ekusebenzeni kwesistimu. Ngokusebenzisa ideshibhodi ephephile esekelwe efwini, abasebenzisi bangalandelela ukuphuma kwamandla ngesikhathi sangempela, ukukhiqizwa kwamandla komlando, izitayela zokusebenza kahle, nanoma yiziphi izimo zokwehluleka noma izexwayiso. Leli khono lokugada elihlakaniphile lenza ukulungiswa okungaphambili, okuvumela izinkinga ukuthi zibonakale futhi zixazululwe ngaphambi kokuba zibe izinkinga ezibizayo, okubaluleke kakhulu ekufakweni okukhulu lapho ukuyeka ukusebenza okungalindelekile kungaba nemiphumela emikhulu yezezimali.

Uma uhlola imishini yokuguqula amandla ezinhlelweni zamandla avuselelekayo, izindleko zokuba nomnikazi wesistimu ngokuphelele zivame ukubaluleka kakhulu kunentengo yokuqala yokuthenga, kanti i-inverter entsha yakwa-Lifei ihamba phambili kuleli nqanaba elibalulekile. Ukuhlanganiswa kokusebenza kahle okuphezulu kokuguqula, ukwakhiwa okuqinile, nokulungiseka okuyimodular kusho ukuthi abanikazi bachitha kancane ezintweni ezilahlekile zamandla, izingxenye zokushintsha, nokulungiswa okungahleliwe phakathi nempilo yomkhiqizo. Abahlaziyi bemboni sebeqaphele ukuthi ama-inverter avame ukuba yingxenye yokuqala ukwehluleka ohlelweni lwamandla avuselelekayo, okwenza ukwethembeka kube umshayeli oyinhloko wezomnotho wephrojekthi yesikhathi eside. Ifilosofi yokuklama yakwa-Lifei ibhekana ngqo nalobu bucayi ngokusebenzisa izingxenye ezisezingeni eliphezulu nezinqubo eziqinile zokulawula ikhwalithi ezilingisa izindinganiso ezihlotshaniswa nomkhiqizo wakwa-Delixi Electric isikhathi eside. Lokhu kugxila ekhwalithini kunciphisa amathuba okwehluleka kusenesikhathi futhi kwandisa impilo ewusizo ye-inverter ngaphezu kwezilindelo ezijwayelekile zemboni. Kuba thuthukisi bamaphrojekthi nabaphathi bezimpahla, izindleko eziphansi zokuba nomnikazi wesistimu ezinikezwa yi-inverter lokhu ziguqulela ekubuyiseleni okuthuthukisiwe kwamazinga angaphakathi kanye nemali engenayo ehlala ibikezelwa phakathi neminyaka eminingi yamaphrojekthi.

Ukuphakama kokusebenza kubonakala hhayi kuphela ezinombolweni zokusebenza kahle kwe-inverter kodwa nasekukwazi kwayo ukugcina ukusebenza okuzinzile ngaphansi kwezimo eziyinselele zenethiwekhi. Izindawo eziningi ezinokungena okuphezulu kwamandla avuselelekayo zibhekana nokushintshashintsha kwe-voltage yenethiwekhi kanye ne-frequency okungadala ukuthi ama-inverter angaphansi aphume ku-inthanethi, okuholela ekulahlekelweni kokukhiqiza kanye nezinhlawulo zokungazinzi kwenethiwekhi. I-inverter ye-Lifei ihlanganisa izici ezithuthukisiwe zokusekela inethiwekhi ezivumela ukuthi idlule ekuphazamisekeni futhi iqhubeke nokudlulisa amandla enethiwekini, isiza ukuzolisa inethiwekhi kunokuyenza ingazinzi. Leli khono libaluleke kakhulu njengoba izinsiza zibeka izidingo eziqinile zokuxhuma izinhlelo zamandla avuselelekayo. Ngaphezu kwalokho, ibanga elibanzi le-voltage yokufaka ye-inverter linikeza abaklami besistimu ukuguquguquka ekucushweni kwama-solar arrays, okwamukela ubuchwepheshe bamaphaneli ahlukene kanye nobude bezintambo ngaphandle kokwehla kokusebenza. Ukusebenza okungcono kakhulu kwaleli inverter kuqinisekiswe ngokuhlolwa okuningiliziwe kuzo zombili izimo zase-laboratory nezingokoqobo, kunikeza amakhasimende isiqiniseko sokuthi imishini izohlinzeka njengoba ithenjisiwe. Ezinhlanganweni ezifuna ukuhlukanisa amaphrojekthi azo amandla avuselelekayo ngokusebenzisa ubuchwepheshe obuphezulu, lo mkhiqizo umele isinyathelo esicacile phambili ekwakhiweni nasekusebenziseni kwe-power electronics.

Abathengi bokuqala be-inverter yamandla entsha ye-Lifei babike imiphumela emihle ezinhlotsheni ezahlukahlukene zezicelo zamandla avuselelekayo, kusukela ekufakweni kwamathayela ezindlu ezinkampanini kuya kumapulazi amakhulu elanga. Isibonelo esisodwa esibalulekile sibandakanya indawo yokukhiqiza eningizimu yeChina efake i-solar array engu-500 kW ehambisana nama-inverters e-Lifei ukunciphisa ingxenye enkulu yokusetshenziswa kukagesi kwayo. Umphathi wamandla waleli fayili ubike ukuthi uhlelo lufinyelele isici samandla esidlula kakhulu isilinganiso sesifunda, ngenxa yokusebenza kahle kwe-inverter nokusebenza okuthembekile ezinyangeni zasehlobo ezishisayo, ezinomswakama. Inkundla yokuhlola ehlakaniphile yavumela ithimba lokugcina ukuthi libone inkinga encane yokungenisa umoya ngesikhathi, livimbele lokho okwakungaba ukwehluleka okubizayo ngenxa yokushisa ngokweqile. Lokhu kuqinisekiswa kwezinto zangempela kwamandla e-inverter nokukwazi ukuhlola kwadala ukwaziswa okuhle embonini, kuqinisa inani lokutshala imali ezintweni zokuguqula amandla ezisezingeni eliphezulu. Izindaba zempumelelo ezinjalo ziyizo kanye izindaba zamandla ezikhuthaza amanye amabhizinisi ukuthi aqhubeke namaphrojekthi awo amandla avuselelekayo, azi ukuthi ubuchwepheshe obuthembekile buyatholakala ukusekela izinhloso zawo.

Esinye isicelo esikhangayo sivela ekusebenzeni kwezolimo eNingizimu-mpumalanga ye-Asia okwethule ama-inverter e-Lifei njengengxenye yohlelo lwe-microgrid oluhlanganisa ilanga nedizili. Indawo yayisebenzisa izinjini zikadizili kuphela ukuze ihlangabezane nezidingo zayo zamandla, okubangele izindleko eziphezulu zamafutha kanye nezindleko eziningi zokugcinwa. Ngokuhlanganisa ukukhiqizwa kwamandla elanga nama-inverter e-Lifei kanye nokugcinwa kwamabhethri, leli pulazi lahlisa ukusetshenziswa kwalo kukadizili ngaphezu kuka-60 ekhulwini, lazinikeza imali enkulu yokusebenza kanye nomthelela ongaphansi kakhulu wekhabhoni. Amandla e-inverter okwazi ukuphatha imithombo yamandla amaningi nokuxhumana nohlelo lokuphatha ibhethri kwakubalulekile empumelelweni yephrojekthi. Abasebenzi bamapulazi babonisa ukubonga isikhombimsebenzisi somsebenzisi esinembayo sesikhulumi sokuqapha, esabavumela ukuthi balandelele ukuhamba kwamandla kanye nempilo yohlelo ngaphandle kokuqeqeshwa okukhethekile kwezobuchwepheshe. Lezi zimo zamakhasimende zikhombisa ukuthi i-inverter ye-Lifei ayiyona nje imikhiqizo ethuthukisiwe ngokobuchwepheshe kodwa futhi iyithuluzi elisebenzayo elinikeza izinzuzo ezilinganisekayo ezindaweni ezahlukene zokusebenza. Njengoba izinhlangano eziningi ezisezigabeni ezahlukene zifuna ukwehlisa izindleko zamandla futhi zithuthukise ukusimama, ukutholakala kwama-inverter amandla asebenza kahle futhi asebenza kahle kuzoqhubeka nokusheshisa ushintsho oluya emandleni avuselelekayo. Ukuze uthole izibuyekezo ezengeziwe mayelana nentuthuko yenkampani kanye nokwethulwa kwemikhiqizo, abafundi abanentshisekelo bangalandela okwakamuva.Izindaba isigaba kuwebhusayithi ye-Lifei.

Ukuqalisa kwe-inverter yamandla entsha yakwaLifei kuphawula isigaba esibalulekile ekuguqukeni okuqhubekayo kwezinhlelo zamandla avuselelekayo, okunikeza inhlanganisela yokusebenza kahle, ukuqina, kanye nomsebenzi ohlakaniphile oxazulula izidingo ezicindezelayo kakhulu zabasebenzisi bamandla banamuhla. Njengoba umhlaba uqhubeka nokuguqukela emithonjeni yamandla esimeme, ikhwalithi yempahla yokuguqula amandla izodlala indima ebaluleke kakhulu ekunqumeni impumelelo yamaphrojekthi ngabanye kanye nokuzinza kwenethiwekhi ebanzi. Ukuzibophezela kukaLifei ekuqanjweni okusha, okusekelwa ubuchwepheshe obubanzi bokuhlangana kwayo neDelixi Electric, kubeka inkampani njengomlingani onokwethenjelwa ezinhlanganweni ezifuna ukukhulisa inzuzo ezitshalweni zamandla avuselelekayo. Lo mkhiqizo omusha we-inverter uhlinzeka ngenani elibonakalayo ngokusebenzisa izindleko eziphansi zokuba nazo, amakhono angcono kakhulu okusebenzisana nenethiwekhi, nokuqapha okuphelele okunika amandla abasebenzisi ukuthi balungise izinhlelo zabo zamandla ngendlela engoqobo. Ezinkampanini ezilindele isixazululo samandla esihlangabezana ngempela nezidingo zengqalasizinda yamandla yekhulu lama-21, lokhu kuqalisa kumele kube yithuba eliqinisekile lokuthuthukisa impahla yazo nokuthola imiphumela engcono.

Izinhlangano ezithanda ukwazi kabanzi mayelana ne-inverter yamandla ye-Lifei kanye nendlela engahlanganiswa ngayo ezinhlelweni zabo zamandla avuselelekayo ziyakhuthazwa ukuthi zivakashele iwebhusayithi esemthethweni ye-Lifei. I-Ikhaya ikhasi linikeza ukubuka konke kwezimpahla zenkampani eziphelele kanye nomsebenzi wayo wokuletha izixazululo zikagesi ezithuthukisiwe kumakhasimende emhlabeni wonke. Kulabo abagxile kakhulu ezinhlelweni zamandla avuselelekayo, i-Amandla Amasha isigaba sinikeza imininingwane enemininingwane ngezibhamu zamandla elanga, izinhlelo zokugcina amandla e-lithium-ion, nemikhiqizo ehambisanayo esebenza kahle ne-inverter entsha. Ngaphezu kwalokho, i-DELIXI ElectricAmagqamisa ekhasini agqamisa ifa lobuchwepheshe elijulile kanye nesipiliyoni embonini esihlinzeka inqubo yokuthuthukisa imikhiqizo ye-Lifei. Ithimba elise-Lifei lilungele ukuhlinzeka ngemininingwane yobuchwepheshe, ukwesekwa komklamo wesistimu, nemininingwane yentengo ukusiza amabhizinisi ukuthi ahlolisise izinzuzo ezingenzeka zokuthuthukisa ingqalasizinda yabo yokuguqula amandla. Njengoba indawo yamandla avuselelekayo iqhubeka nokushintsha, ukuhlala unolwazi mayelana nezindaba zakamuva mayelana nobuchwepheshe bamandla kubalulekile ekwenzeni izinqumo zamasu eziqhubela phambili kokubili ukusebenza kwemvelo kanye nokwezimali. I-Lifei imema zonke izinhlangothi ezithintekayo ukuthi zixhumane futhi zithole ukuthi lesi sixazululo samandla esisha singawuguqula kanjani uhlelo lwazo lwamandla lube ngcono.