Ni ryari Umugenzuzi wa PWM aruta sisitemu yo hanze ya Grid?

Niba ushaka ikintu cyoroshye kandi gihenze kuri sisitemu yizuba ya gride, umugenzuzi wa pwm ashobora kuba amahitamo meza. Pwm ikora neza mugihe ukeneye kwishyurwa byoroshye. Nibyiza niba imirasire yizuba yizuba ari kimwe na bateri yawe. Abashiraho benshi batora pwm kubintu bito kuko byoroshye gukoresha. Irashobora kandi kwizerwa kandi ntikeneye kwitabwaho cyane. Ubona byinshi muri pwm ahantu hashyushye cyangwa niba udakeneye imbaraga nyinshi.

Ibyingenzi

• Igenzura rya PWM rihendutse kandi ryoroshye kuri sisitemu ntoya.

• Bakora neza iyo izuba ryizuba kandi bateri ifite voltage imwe.

• Abagenzuzi ba PWM nibyiza ahantu hashyushye kandi bakora neza.

• Biroroshye gushiraho kandi ntukeneye kwitabwaho cyane.

• Niba ufite sisitemu nini cyangwa utuye ahantu hakonje, ugomba gukoresha MPPT.

Igiciro nubworoherane muri Off-Grid Solar Sisitemu

Ibitekerezo byingengo yimari ya PWM

Niba ushaka kugumisha imirasire y'izuba ya gride ihendutse, umugenzuzi wa pwm ni ugutoranya ubwenge. Ntugomba gukoresha byinshi kugirango utangire. Iyo ugereranije igiciro cyumugenzuzi wa pwm numugenzuzi wa MPPT, uzabona itandukaniro rinini. Hano reba byihuse ibiciro biri:

Urashobora no kubona pwm zimwe na zimwe zicunga izuba, nka Morningstar TriStar 45A, hafi $ 180 niba ushaka ikintu cyateye imbere gato. Kubintu byinshi bito, nubwo, uzishyura make cyane. Niba ingengo yimari ya sisitemu yose iri munsi ya $ 500-800, pwm ninzira nziza yo kugenda. Ubona umugenzuzi wizewe utarinze kumena banki.

Gushiraho Byoroheje no Kubungabunga

Kimwe mubintu byiza kuri pwm nuburyo byoroshye gukoresha. Ntukeneye ibikoresho byihariye cyangwa uburambe bwinshi kugirango ushyire mugenzuzi wa pwm. Abantu benshi barashobora gushiraho imirasire yizuba mu ntambwe nkeya. Igishushanyo kiroroshye, ntabwo rero uzitiranya na buto nyinshi cyangwa igenamiterere.

Inama: Niba uri mushya kurizuba, pwm ituma kwiga byoroshye. Urashobora kuyobora sisitemu yawe nta mananiza.

Dore impamvu zimwe abantu bakunda kugenzura pwm:

• Ntibihendutse

• Biroroshye gukoresha

• Birashoboka cyane kunanirwa

• Nibyiza kuri sisitemu nto munsi ya watt 350

Uzakoresha kandi igihe gito mukubungabunga. Abagenzuzi ba Pwm ntabwo bafite ibice byinshi bishobora gucika. Ugenzura gusa amasano kandi ugumane ibintu neza. Ibi bivuze ko ushobora kwishimira ingufu zizuba utitaye kubisanwa. Niba ushaka imashanyarazi yizuba ikomeza ibintu byoroshye, pwm ninzira igenda.

Ibihe n'ibikorwa byiza

Imikorere y'Ibihe Bishyushye

Niba utuye ahantu hashyushye cyangwa izuba, uzabona ko umugenzuzi wa pwm akora neza. Ikirere gishyushye gifasha pwm gukora akazi kayo kuko itandukaniro mumikorere hagati ya pwm nubundi bwoko bwabagenzuzi riba rito. Ahantu nka Florida cyangwa Texas, urashobora kwiringira umugenzuzi wa pwm kugirango bateri yawe ikomeze nta mbaraga nyinshi zapfushije ubusa.

• pwm kora neza mubihe byubushyuhe nubushyuhe.

• Ntabwo bakora neza ahantu hakonje. Kurugero, muri Montana, ibizamini byerekanaga ko kuri 32 ° F, abandi bagenzuzi baretse 40% imbaraga zirenze pwm.

• Iyo ubushyuhe buzamutse, pwm yegera imikorere yimikorere ihenze cyane.

Icyitonderwa: Niba uteganya gukoresha sisitemu yizuba ahantu hashyushye, ntuzabura imbaraga nyinshi uhitamo pwm. Urabona kwishyurwa kwizewe no gukora byoroshye.

Imikorere muri sisitemu nto

Urabona byinshi muri pwm iyo sisitemu yizuba ari nto. Niba igenamiterere ari munsi ya watt 400 , pwm ni amahitamo meza. Bituma ibintu byoroshye kandi bihendutse. Ntukeneye panne yinyongera cyangwa ibikoresho byiza kugirango ubone ibisubizo byiza.

• pwm ikora neza mugihe izuba ryumuriro wizuba rihuye na voltage ya bateri. Ibi bigufasha kwirinda gutakaza ingufu.

• Niba ukoresheje imirasire y'izuba hamwe na voltage irenze iyo bateri yawe, pwm izatakaza ingufu.

• Kuri sisitemu nto, pwm iguha imikorere ihagije kugirango bateri yawe igire ubuzima bwiza nibikoresho byawe bikore.

Niba ushaka imikorere isumba iyindi ya sisitemu nini cyangwa mubihe bikonje, ushobora gukenera undi mugenzuzi. Ariko kubintu byinshi bito, bitari grid gushiraho mubihe bishyushye, pwm iguha impirimbanyi iboneye yikiguzi.

Guhuza Imirasire y'izuba

Guhuza Umwanya wa Bateri na Batiri

Urashaka ko imirasire y'izuba ikorana neza na sisitemu. Inzira nziza yo gukora ibi ni guhuza voltage yumuriro wizuba hamwe na banki ya batiri. Sisitemu nyinshi zitari grid zikoresha Batteri 12V, 24V, cyangwa 48V . Igenzura ryinshi ryizuba rirashobora kumva voltage ya bateri hanyuma ikayihindura, ariko ugomba guhora ugenzura mbere yuko ugura.

Dore ibyo ugomba kwibuka mugihe ukoresheje a umugenzuzi wa pwm :

• Menya neza ko imirasire y'izuba ifite voltage imwe na banki yawe ya batiri.

• Abagenzuzi benshi ba pwm bakora neza hamwe na 12V na bateri 12V, cyangwa 24V paneli na 24V.

• Buri gihe genzura ibisobanuro kugirango urebe niba umugenzuzi ashobora kuyobora ibyo washyizeho.

• Niba ukoresheje voltage itari yo, sisitemu yawe ntishobora gukora neza cyangwa irashobora no kwangirika.

Impanuro: Kugenzura inshuro ebyiri amashanyarazi afunguye (Voc) yumuriro wizuba. Kuri bateri ya 12V, umugenzuzi usanzwe akoresha kugeza kuri VV 23V. Gukoresha panneaux ya voltage irashobora gutera ibibazo.

Iyo umugenzuzi wa PWM akwiranye nibisanzwe

Uzasanga umugenzuzi wa pwm akora cyane hamwe nizuba risanzwe ryizuba mumashanyarazi mato mato mato. Niba ufite akazu gato cyangwa sisitemu yoroshye, urashobora gukoresha umugenzuzi wa pwm ntakibazo. Reba kuri iyi mbonerahamwe urebe aho pwm ihuye neza:

Niba ukoresha imirasire y'izuba 12V, wirinda ibibazo byinshi bihuza. Ibibazo bibaho mugihe ugerageje gukoresha panne 24V hamwe na bateri ya 12V. Ibi birashobora gusunika voltage hejuru cyane kuri pwm mugenzuzi kandi irashobora kuyangiza. Na none, niba imirasire yizuba yawe ikora ibintu birenze ibyo umugenzuzi wawe ashobora gukora, ushobora kubyikorera cyane.

• Buri gihe uhuze panne na voltage ya bateri.

• Reba ko amashanyarazi magufi (Isc) yumuriro wizuba nturenga imipaka yabagenzuzi.

• Irinde gukoresha panne 24V hamwe na bateri 12V muri sisitemu ya pwm.

Iyo ukurikije izi ntambwe, umugenzuzi wizuba wizuba azagenda neza, kandi uzabona byinshi mumirasire yizuba na bateri.

Guhitamo neza Sisitemu yawe ya Off-Grid

Kwizerwa no Kuramba

Urashaka ko imirasire y'izuba itari gride imara igihe kirekire. Umugenzuzi wa pwm arashobora gufasha mugihe uyikoresheje muburyo bwiza. Abantu benshi batora pwm kuko biroroshye kandi ntibikeneye kwitabwaho cyane. Umugenzuzi wa pwm arashobora kumara imyaka 10 kugeza 15 . Ibiranga byinshi bitanga garanti byibuze imyaka ibiri, kandi bimwe bigatanga icumi.

Dore impamvu zimwe pwm ninziza yo kwizerwa no kuramba:

• Hariho ibice bike byimuka, bityo bike birashobora gucika.

• Igishushanyo cyoroshye cyoroshye kubona ibibazo.

• Ntukeneye ibikoresho byihariye kugirango ubikosore.

• Abagenzuzi benshi ba pwm bakora neza muri ikirere gishyushye, izuba.

Urashobora kugira ibibazo niba ukoresha umugenzuzi wawe cyane cyangwa ahantu hakomeye. Witondere ibi bibazo bisanzwe:

• Kwishyuza bikora ibintu bidasanzwe cyangwa bidahoraho

• Ibyangiritse urashobora kubona, nkibitwikwa cyangwa ibice

• Mugaragaza ntacyo yerekana cyangwa idakora

• Batteri zuzuye cyangwa zituzuye bihagije kenshi

Niba ubona ibi bintu, reba insinga zawe nigenamiterere. Rimwe na rimwe, urashobora kubikosora mugusukura cyangwa gukomera insinga. Niba ubonye gutwika, guturika, cyangwa ingese, ushobora gukenera umugenzuzi mushya.

Ugomba kandi kurinda pwm yawe umutekano wumurabyo, umuriro mwinshi, cyangwa amazi. Ibi bintu birashobora kubabaza umugenzuzi wawe kandi biragoye kubikemura. Buri gihe shyira umugenzuzi wawe ahantu humye, hakonje. Ibi bifasha sisitemu yizuba gukora neza kandi igakomeza imbaraga zawe.

Igihe cyo Kwirinda Umugenzuzi wa PWM

Rimwe na rimwe, umugenzuzi wa pwm ntabwo ari amahitamo meza. Ibice bimwe bikenera ubundi bwoko bwumuriro wizuba. Niba ushaka imikorere myiza cyangwa ufite sisitemu nini, ugomba kureba mppt izuba riva.

Dore ibihe utagomba gukoresha pwm:

• Ukoresha imirasire y'izuba hamwe na voltage ndende idahuye na bateri yawe.

• Sisitemu yawe ikeneye gukora neza mugihe cyubukonje.

• Ushaka gushyira panne yawe kure ya bateri yawe.

• Ugomba kwishyuza ubwoko bushya bwa bateri bukeneye kugenzurwa neza.

Gukoresha pwm igenzura hamwe na panne-voltage nini ni ntabwo ari igitekerezo cyiza kuko panne nshya nyinshi zikora voltage abagenzuzi ba pwm badashobora gukora neza, bityo ukabura imbaraga nyinshi.

Reka turebe kumeza yoroshye yo kugereranya pwm na mppt izuba riva:

Urashobora kubona ko mppt iguha amahitamo menshi. Urashobora gukoresha panne-voltage nini hamwe ninsinga ndende udatakaje imbaraga nyinshi. Ibi nibyingenzi niba ushaka sisitemu nini cyangwa ushaka kuzamura nyuma.

Bimwe mubintu bibi kubashinzwe kugenzura pwm ni:

• Ntabwo zikora neza, cyane cyane mubihe bikonje cyangwa hamwe na panne idahuye.

• Ufite uburyo buke bwo gushushanya izuba.

• Ntabwo zakozwe kuri sisitemu nini cyangwa imbaraga nyinshi.

Niba ushaka imbaraga zo kwishyuza cyane cyangwa ushaka kuzamura sisitemu, mppt nibyiza. Uzishyura byinshi, ariko urabona gukora neza no guhitamo byinshi.

Mugihe uhisemo kugenzura neza sisitemu ya off-grid, tekereza kubyo ukeneye. Niba ushaka ikintu cyoroshye kandi cyizewe kuri kabine nto cyangwa isuka, pwm ni amahitamo meza. Niba ushaka gukora sisitemu nini cyangwa ukeneye imikorere yo hejuru, mppt nibyiza.

Urashobora kubona imyaka myinshi yo kwishyuza neza hamwe na pwm niba uhuye na panne yawe na bateri hanyuma ugakomeza sisitemu yawe ahantu hashyushye, humye. Niba ukeneye imbaraga nyinshi, amahitamo menshi, cyangwa imikorere myiza, mppt izagufasha kugera kuntego zawe.

Mugihe uhisemo pwm mugenzuzi wa sisitemu yizuba ya gride, wibande kubyingenzi. Reba ikiguzi, guhuza voltage, ingano ya sisitemu, nikirere cyaho. Abantu benshi batekereza mppt burigihe nibyiza , ariko ntabwo arukuri kuri buri gurupe. Niba ushaka ikintu cyoroshye kandi cyizewe, pwm ikora neza kuri sisitemu nto ahantu hashyushye. Buri gihe guhuza panne yawe na voltage ya bateri . Niba ubona ko pwm idashobora guhaza ibyo ukeneye, noneho gerageza mppt izuba riva. Wibuke, mppt iguha amahitamo menshi, ariko pwm irashobora kuba ihuye neza nakazi keza.

Ibibazo

Ni irihe tandukaniro nyamukuru riri hagati ya pwm na mppt?

Uzabona ko pwm ikoresha amashanyarazi yoroheje kuri off-off, mugihe mppt ikurikirana ingufu nziza kumwanya wawe. Mppt iguha imbaraga nyinshi, cyane cyane mubihe bikonje cyangwa hamwe na panne-voltage nyinshi.

Nshobora kuzamura mvuye kuri pwm mugenzuzi kugeza mppt nyuma?

Nibyo, urashobora guhinduranya pwm mugenzuzi wa mppt niba ushaka gukora neza. Gusa menya neza ko sisitemu yawe ihuye na voltage nshya yumugenzuzi nimbibi zubu.

Nkeneye mppt kuri sisitemu ntoya ya gride?

Ntukeneye mppt kuri buri gurupe. Niba sisitemu yawe ari nto kandi voltage ya panel yawe ihuye na bateri yawe, pwm ikora neza. Mppt ifasha cyane mugihe ufite sisitemu nini cyangwa panne hamwe na voltage ndende.

Mppt izakora neza mugihe cyijimye?

Nibyo, mppt irashobora guhinduka kugirango uhindure urumuri rwizuba kandi ubone imbaraga ziva mumwanya wawe muminsi yibicu. Pwm ntabwo ikurikirana ingufu nziza, bityo ubura imbaraga mugihe ikirere gihindutse.

Nabwirwa n'iki ko pwm cyangwa mppt ibereye?

Ibaze niba ushaka imikorere myiza cyangwa gushiraho byoroshye. Mppt iguha imbaraga nyinshi kandi zihinduka. Niba ushaka ikintu cyoroshye kandi gihenze, umugenzuzi wa pwm ni amahitamo meza kuri sisitemu nto.