Kwiminyaka yakutshanje, iinkqubo zokugcina amandla e-photovoltaic zasekhaya ezihlakaniphile ziye zathandwa ngokuqhubekayo.Inokubonelela ngamandla aluhlaza kwintsapho kungakhathaliseki ukuba yimini nobusuku kunye nomsinga oqhubekayo.Ngokuvelisa umbane welanga, ungakhathazeki ngamaxabiso ombane akwizinga eliphezulu, ukonga iindleko zombane, kwaye unokukhusela ngcono ubomi obuphezulu bosapho ngalunye.
Emini, inkqubo yokugcina amandla e-photovoltaic yendlu ithatha ukuveliswa kwamandla elanga kwaye igcinwe ngokuzenzekelayo kwimithwalo yasebusuku.Xa kufikwa ekuphumeni kombane ngengozi, inkqubo inokuphinda itshintshe ngokuzenzekelayo unikezelo lwamandla olwenziwa ekhaya kwangethuba ukuze kuqinisekiswe ukusebenza okuqhelekileyo kokukhanyisa kunye neenkqubo zezixhobo zombane ngamaxesha onke.Ngexesha lokusetyenziswa kwamandla, ipakethe yebhetri kwinkqubo yokugcina amandla kwintsapho inokuhlawuliswa ngokwayo ukusebenzisa i-peak yamandla angasese okanye xa umbane usetyenziswa.Ukongeza kokusetyenziswa njengombane ongxamisekileyo, inkqubo yokugcina amandla ekhaya inokulungelelaniswa.Inkcitho yamandla.Inkqubo yokugcina amandla e-photovoltaic yasekhaya ifana nesikhululo samandla sokugcina amandla esincinci, esingachatshazelwa kuxinzelelo lwamandla asezidolophini.
Uphawu lombuzo lobuchwephesha?
Ziziphi iinxalenye zenkqubo yokugcinwa kwamandla e-photovoltaic yekhaya elinamandla ngokuqhelekileyo liqulunqwe kwaye yintoni eyona nto ixhomekeke kuyo?Ziziphi iindidi zeenkqubo zokugcina amandla e-photovoltaic ekhaya?Indlela yokukhetha inkqubo efanelekileyo yokugcina amandla e-photovoltaic ekhaya?
CEM "Okwesibini Ukuqonda" ulwazi oluncinci
L yintoni inkqubo yokugcina amandla e-photovoltaic yasekhaya
Inkqubo yokugcina amandla e-photovoltaic yasekhaya yinkqubo edibanisa inkqubo yokuguqula i-photoelectric yelanga kunye nezixhobo zokugcina amandla, ezinokuguqula ukuveliswa kwamandla elanga kumandla ombane agciniweyo.Le nkqubo ivumela abasebenzisi bamakhaya ukuba bavelise umbane emini kwaye bagcine amandla ombane amaninzi, kwaye bawasebenzise ebusuku okanye kwiimeko zokukhanya okuphantsi.
l Ulwahlulo lwenkqubo yokugcina amandla e-photovoltaic yentsapho
Inkqubo yokugcina amandla osapho okwangoku yahlulahlulwe yaziintlobo ezimbini, enye yigridi-idityanisiwe inkqubo yokugcina amandla osapho, kwaye enye yinkqubo yokugcina amandla enethiwekhi.
Ukuthelekisa inkqubo yokugcina amandla osapho
Iqukethe ezintlanu ezininzi zazo, ezibandakanya: uluhlu lwebhetri yelanga, i-grid-connected inverter, inkqubo yokulawula i-BMS, ipakethe yebhetri, umthwalo wonxibelelwano.Inkqubo isebenzisa i-photovoltaic kunye nenkqubo yokugcina amandla edibeneyo yokunikezelwa kwamandla.Xa umbane kamasipala uqhelekile, inkqubo yegridi ye-photovoltaic kunye namandla kamasipala anikwe amandla ngumthwalo;xa amandla kamasipala ephukile, inkqubo yokugcina amandla kunye ne-photovoltaic grid -i-grid system idibaniswa namandla.Inkqubo yokugcina amandla enethiwekhi yothungelwano yohlulwe kwiindlela ezintathu zokusebenza.Imodeli enye: I-Photovoltaic inikezela ukugcinwa kwamandla kunye nokufikelela kombane kwi-Intanethi;Imodeli yesi-2: I-Photovoltaic inikezela ukugcinwa kwamandla kunye nokunye ukusetyenziswa kwamandla omsebenzisi;Umzekelo 3: I-Photovoltaic inikezela kuphela ukugcinwa kwamandla.
Inkqubo yokugcina amandla osapho
Izimele, kwaye akukho xhulumaniso lombane kunye negridi yamandla.Ngoko ke, inkqubo yonke ayifuni ukuxhunywa kwi-inverter, kwaye i-photovoltaic inverter inokuhlangabezana neemfuno.Inkqubo yokugcina amandla yekhaya lokuhamba ihlukaniswe kwiindlela ezintathu zokusebenza, imodi ye-1: ukugcinwa kwe-photovoltaic kunye nombane womsebenzisi (iintsuku ezinelanga);Imodi yesi-2: i-photovoltaic kunye neebhetri zokugcina amandla zibonelela abasebenzisi ngombane (iintsuku ezinamafu);Imodi yesi-3: Ugcino lwamandla: Ugcino lwamandla Ibhetri ibonelela abasebenzisi ngombane (ngorhatya nangeemini zemvula).
Ingaba igridi edibeneyo yokugcina amandla ekhaya okanye inethiwekhi yeenkqubo zokugcina amandla kwinethiwekhi, i-inverter ayinakuhlukaniswa.I-inverter ifana nengqondo kunye nentliziyo kwinkqubo.
yintoni i-inverter?
I-inverter licandelo eliqhelekileyo kwi-electron yombane, enokuguqula umbane we-DC (ibhetri, ibhetri) ibe ngumbane we-AC (ngokubanzi i-220V50Hz sine okanye i-square wave).Ngokwemigaqo edumileyo, i-inverter sisixhobo esiguqula i-DC (DC) ibe ngamandla e-AC (AC).Iqukethe ibhulorho ye-inverter, ingqiqo yokulawula kunye nesekethe yokucoca.Amacandelo aqhelekileyo yi-diode yokulungisa kunye ne-crystal tube.Phantse zonke izixhobo zendlu kunye neekhomputha zinezilungisi, ezifakwe kumbane wezixhobo zombane.Utshintsho lwe-DC lunxibelelana, olubizwa ngokuba yi-inverter.
l Kutheni i-inverter ikwindawo ebaluleke kangaka?
Ugqithiso lwe-AC lusebenza ngakumbi kunothumelo lweDC, kwaye lusetyenziswa kakhulu kuthumelo lwamandla.Amandla okusabalalisa amandla ombane ogqithisiweyo kwi-wire angafumaneka nge-P = I2R (i-square × resistor yamandla = okwangoku).Ngokucacileyo, ukulahlekelwa kwamandla kufuneka kuncitshiswe ukunciphisa i-current current or resistance of the wire.Ngenxa yeendleko kunye nobuchwephesha obulinganiselweyo, kunzima ukunciphisa umgca wothumelo (njengocingo lobhedu) ukuxhathisa, ngoko ke ukunciphisa ukuhanjiswa kwangoku kuyindlela eyodwa kunye nesebenzayo.Ngokutsho kwe-P = IU (amandla = okwangoku × i-voltage, enyanisweni, amandla asebenzayo p = IUCOS φ), ukuguqula umbane we-DC kumandla e-AC, ukuphucula i-voltage yegridi yamandla ukunciphisa umsinga kwingcingo ukufezekisa injongo yokonga. amandla.
Ngokufanayo, kwinkqubo yokuvelisa amandla elanga le-photovoltaic, amandla e-photovoltaic arrays ngamandla e-DC, kodwa imithwalo emininzi idinga amandla e-AC.Kukho umda omkhulu wenkqubo yonikezelo lwamandla e-DC, engafanelekanga ukutshintsha i-voltage, kunye noluhlu lwesicelo somthwalo lulinganiselwe.Ukongeza kumthwalo okhethekileyo wamandla, i-inverter kufuneka isetyenziswe ukuguqula umbane we-DC kumandla we-AC.I-Photovoltaic inverter yintliziyo yenkqubo yokuvelisa amandla elanga photovoltaic.Iguqulela umbane we-DC owenziwe ngamacandelo e-photovoltaic kumandla e-AC, ukuthutha izixhobo zombane kunye nemithwalo yendawo okanye iigridi, kwaye inemisebenzi yokukhusela ehambelanayo.I-inverter ye-photovoltaic ikakhulu iqulunqwe iimodyuli zamandla, iibhodi zeesekethe zokulawula, i-breakers circuit, izihlungi, i-resistors zombane, i-transformers, i-contactors kunye neekhabhinethi.Njengekhonkco, uphuhliso lwayo luxhomekeke ekuphuhliseni iteknoloji yamandla e-elektroniki, iteknoloji yesixhobo se-semiconductor kunye neteknoloji yokulawula yanamhlanje.
Ukuhlelwa kwee-inverters
I-inverter inokwahlulwa ngokwezi ndidi zintathu zilandelayo:
1. igridi -i-inverter edibeneyo
I-inverter edibeneyo yegridi yi-inverter ekhethekileyo.Ukongeza kwinguqu yenguqu yombane we-DC, imveliso yamandla e-AC inokudityaniswa kunye ne-frequency kunye nesigaba sombane kamasipala.Ke ngoko I-inverter inamandla okulungelelanisa ujongano kunye nocingo lwesixeko.Uyilo lwale inverter kukuhambisa amandla angasetyenziswanga kwigridi yamandla.Ayidingi kuxhotyiswa ngebhetri.Iyakwazi ukuxhotyiswa ngeteknoloji yeMTTP kwisekethe yegalelo layo.
2. Shiya i-inverter ye-Intanethi
I-inverter ye-liberal idla ngokufakelwa kwibhodi yeseli yelanga, ijenereyitha encinci yevili lomoya okanye enye i-DC amandla, kwaye amandla e-DC aguqulwa abe ngumbane we-AC ongasetyenziselwa unikezelo lwamandla ekhaya.Inokusebenzisa amandla avela kwigridi yamandla kunye nebhetri ukunika amandla umthwalo wamandla.Ngenxa yokuba ayinanto yakwenza namandla kamasipala kwaye ayifuni naluphi na unikezelo lwamandla angaphandle, kuthiwa "ukuhamba".
I-roser inverter ekuqaleni yayiyinkqubo enika amandla ebhetri ukuqonda igridi encinci yengingqi.Kwimeko yegalelo langoku, igalelo le-DC, igalelo lokutshaja ngokukhawuleza, imveliso ephezulu ye-DC kunye nemveliso ye-AC ekhawulezayo, i-out-of-network inverter inokugcina amandla kwaye iguqulelwe kwezinye izinto.Isebenzisa ingqiqo yolawulo ukulungelelanisa igalelo kunye nemveliso yemeko ukuqinisekisa ukuba ukusebenza kakuhle kubonelelwa kwimvelaphi yeepaneli zelanga okanye iijenereyitha ezincinci zamavili omoya, kwaye umgangatho wamandla uphuculwe ngokusebenzisa imveliso ye-sine ecocekileyo yamaza.
Kwi-inverter yenethiwekhi, ibhetri inyanzelekile kwinkqubo yamandla elanga yenethiwekhi, kwaye igcina amandla ngebhetri ukuze isetyenziswe phantsi kokutshona kwelanga okanye ngaphandle kombane.I-backbone inverter ikwanceda ukunciphisa ukuxhomekeka kwiigridi zamandla emveli.Oku kuxhomekeka kudla ngokubangela ingxaki yeengxaki ezingazinzanga zamandla ekucinywa kombane, ukucinywa kombane, kunye neenkampani zamandla ezingenakuziphelisa.
Ukongezelela, i-inverter yokwahlula kunye nomlawuli wokutshaja kwelanga kuthetha ukuba kukho i-PWM okanye i-MPPT isilawuli selanga ngaphakathi kwe-solar inverter.Abasebenzisi banokudibanisa igalelo le-photovoltaic kwi-inverter yelanga kwaye bajonge kwisikrini sokubonisa isikrini se-solar inverter ukubonisa i-Photovoltaic state, ekulungele ukudibanisa inkqubo kunye nokuhlolwa.Isiguquli se-mesh senza ukuzibona kwijenereyitha yokugcina kunye nebhetri ukuqinisekisa umgangatho opheleleyo kunye nozinzile wamandla.Ikakhulu isetyenziselwa ukubonelela ngombane kwiiprojekthi ezithile zokuhlala kunye nezorhwebo, kwaye amanani aphantsi-ewatt asetyenziselwa umbane kwizixhobo zombane zentsapho.
3. I-inverter edibeneyo
Kwii-inverters ze-hybridi, ngokuqhelekileyo kukho iintsingiselo ezimbini ezahlukeneyo, enye i-inverter yokuhamba ye-controller yokutshaja yelanga eyakhelweyo, kwaye enye i-inverter ehlukaniswe kwinethiwekhi.Ingasetyenziselwa inkqubo ye-photovoltaic yenethiwekhi, kwaye ibhetri yayo nayo inokulungiswa ngokuguquguqukayo.
Umsebenzi ophambili we-inverter
1. Ukusebenza ngokuzenzekelayo kunye nomsebenzi wokuyeka
Emini, njengoko i-angle yelanga ikhula ngokuthe ngcembe, amandla emitha yelanga aya kwanda.Inkqubo ye-photovoltaic inokuthatha amandla amaninzi elanga.Nje ukuba amandla okuphuma komsebenzi we-inverter afikelele, i-inverter inokuqalisa ngokuzenzekelayo.baleka.Xa ukuveliswa kwamandla kwenkqubo ye-photovoltaic iba yincinci kwaye imveliso yegridi / inverter yokugcina amandla yi-0 okanye phantse i-0, iya kuyeka ukusebenza kwaye ibe yindawo yokulinda.
2. Anti-Island Effect umsebenzi
Ngexesha legridi ye-photovoltaic -inkqubo edibeneyo, inkqubo yokuvelisa amandla e-photovoltaic kunye nenkqubo yamandla ixhunyiwe kwigridi.Xa igridi yamandla kawonkewonke ingaqhelekanga ngenxa yamandla angaqhelekanga, inkqubo yokuvelisa amandla e-photovoltaic ayikwazi ukuyeka ukusebenza ngexesha okanye ukuqhawula kunye nenkqubo yamandla.Isekwimeko yobonelelo lombane.Ibizwa ngokuba yi-island effect.Isiphumo sesiqithi senzeka, kwaye siyingozi kwiinkqubo ze-photovoltaic kunye neegridi.
I-grid-ixhunyiwe / i-inverter yokugcina amandla ine-anti-lone yesiphaluka yokukhusela isiqithi ngaphakathi, ekwazi ukubona ngengqondo i-voltage, i-frequency kunye nolunye ulwazi lwegridi yamandla ukuba idibaniswe ngexesha langempela.Nje ukuba igridi yamandla oluntu ifunyenwe, ngenxa yokungaqhelekanga, isiguquli-guquli sinokulinganiswa ngokomlinganiselo wokwenyani owahlukileyo ngokomlinganiselo wokwenyani owahlukileyo.Ixabiso linqunyulwa ngaphakathi kwexesha elihambelanayo, imveliso emisiweyo, kwaye ibika impazamo.
3. Ubuninzi bomsebenzi wokulawula ukulandelela indawo yamandla
Ubuninzi bomsebenzi wokulawula ukulandelela umkhondo ngumsebenzi weMPPT, eyona teknoloji ingundoqo ye-grid -ixhunyiwe / i-inverter yokugcina amandla.Ibhekisa kumandla okulandelela awona mandla aphezulu emveliso yecandelo ngexesha lokwenyani.
Amandla okukhutshwa kwenkqubo ye-photovoltaic aya kuchatshazelwa yizinto ezahlukeneyo kwaye akwimeko yokutshintsha, kwaye amandla aphumayo angcono agcinwa ngokubhaliweyo.
Umsebenzi weMPPT wegridi / inverter yokugcina amandla inokulandelwa ngexesha langempela ukuya kumandla aphezulu ukuba icandelo linokuvelisa ixesha ngalinye.Ngokusebenzisa inkqubo yohlengahlengiso olukrelekrele i-voltage yendawo yokusebenza (okanye yangoku), isondela kufutshane nencopho yamandla ombane, ubukhulu becala Ukuphucula amandla okuvelisa amandla eenkqubo ze-photovoltaic, ngaloo ndlela kuqinisekisa ukuba inkqubo inokuqhubeka nokusebenza ngokufanelekileyo.
4. Umsebenzi wokuhlola umtya weqela elihlakaniphile
Ngesiseko sokubekwa esweni kweMPPT yegridi / yokugcina amandla inverter, umsebenzi wokukhangela umtya weqela elikrelekrele uphunyeziwe.Xa kuthelekiswa nokubeka iliso kweMPPT, ukujongwa kwamandla ombane kuchanekile kwiintambo zeqela ngalinye.Abasebenzisi Ungajonga ngokucacileyo idatha yexesha lokwenyani yendlela nganye.
Okwangoku, izixhobo zokugcina amandla kubasebenzisi ikakhulu yinkqubo yokulawula ibhetri ye-BMS, kunye ne-photovoltaic grid -i-inverter edibeneyo kunye ne-inverter yokugcina amandla.Ukuphendula kwiimfuno zezixhobo zokugcina amandla eentsapho ezingentla kwaye zidibene neempawu zokukhusela zodwa zeyunithi yesiphaluka seyunithi yeenkqubo ze-photovoltaic, i-Huashengchang iqalise isethi yeenkqubo zokugcina amandla e-photovoltaic ekhaya.Ii-inverters ziyi-grid -i-inverters edibeneyo kunye ne-hybrid inverters.ububele.
Iingenelo zokugcina amandla ekhaya
Ibhetri yeKlasi A, ubomi obude, ikhuselekile kakhulu
Sebenzisa ibhetri ye-LIFEPO4 ukuqinisekisa ukhuseleko oluphezulu,
Ubomi benkonzo ende, ngaphezu kwe-5000+ amaxesha okusetyenziswa
Itekhnoloji yebhetri echanekileyo ephezulu, inokudityaniswa ngokuguquguqukayo
Ngeebrakethi zokufika, kulula ukuyifaka kunye noyilo lwe-modve olulula, kulula ukudibanisa kunye nokulawula ubushushu.
Abahlobo abavela kulo lonke ilizwe bamkelekile ukuba batyelele i-Huizhou Ruidejin New Energy Co., Ltd.Iqela.Sinolwazi oluchwephesha kakhulu kunye nesikhokelo solwazi lwebhetri.Ukuba ufuna ukwazi ngakumbi malunga nophuhliso lwenkampani yethu kunye namaqela.Ungaqhagamshelana nathi nanini na, besilindele ukufika kwakho.Abahlobo bam
Ixesha lokuposa: Aug-22-2023