Iyo yekushanda nheyo ye inverter:
Mwoyo weiyo inverter mudziyo ndiyo inverter switch wedunhu, iyo inonzi inonzi inverter circuit kwenguva pfupi.Dunhu rinopedzisa inverter basa nekubatidza nekudzima magetsi emagetsi switch.
Features:
(1) Kushanda kwepamusoro kunodiwa.
Pamusana pemutengo wepamusoro wemasero ezuva panguva ino, kuitira kuti tiwedzere kushandiswa kwemasero ezuva uye kuvandudza kushanda kwegadziriro, tinofanira kuedza kuvandudza kushanda kweiyo inverter.
(2) Kuvimbika kwepamusoro kunodiwa.
Parizvino, iyo photovoltaic power station system inonyanya kushandiswa munzvimbo dziri kure, uye nhepfenyuro dzakawanda dzemagetsi hadzina kutariswa uye dzinochengetwa, izvo zvinoda kuti inverter ive neane musoro wedunhu chimiro, kusarudzwa kwechikamu chakasimba, uye inoda kuti inverter ive nemabasa akasiyana ekudzivirira, akadai. se: kupinza DC polarity reverse dziviriro, AC inobuda pfupi dunhu chengetedzo, kupisa, kuwandisa kuchengetedza, nezvimwe.
(3) Mhepo yekupinza inodiwa kuti ive nehupamhi hwekuchinjisa.
Nekuti iyo terminal voltage yesolar cell inosiyana nemutoro uye kusimba kwezuva.Kunyanya kana bhatiri riri kuchembera, terminal yayo yemagetsi inosiyana zvakanyanya.Semuenzaniso, kune bhatiri re12V, magetsi ayo anogona kusiyana pakati pe10V ne16V, izvo zvinoda kuti inverter ishande zvakajairwa mukati meiyo hombe yekupinza voltage reDC.
Photovoltaic inverter classification:
Kune nzira dzakawanda dzekuisa inverters.Semuenzaniso, zvichienderana nehuwandu hwezvikamu zve AC voltage inobuda ne inverter, inogona kugoverwa kuva single-phase inverters uye matatu-phase inverters;Yakakamurwa kuita transistor inverters, thyristor inverters uye kudzima thyristor inverters.Zvinoenderana nemusimboti weiyo inverter wedunhu, inogona zvakare kukamurwa kuita-inofadza oscillation inverter, yakatsikwa wave superposition inverter uye pulse wide modulation inverter.Zvinoenderana nekushandiswa mune grid-yakabatana system kana off-grid system, inogona kukamurwa kuita grid-yakabatana inverter uye off-grid inverter.Kuti uite kuti vashandisi ve optoelectronic vasarudze ma inverters, pano chete ma inverters anoiswa muzvikamu zvinoenderana neakasiyana anoshanda nguva.
1. Centralized inverter
Iyo yepakati inverter tekinoroji ndeyekuti akati wandei akafanana photovoltaic tambo dzakabatana kune iyo DC yekupinza yeiyo yakafanana centralized inverter.Kazhinji, matatu-chikamu IGBT magetsi modules anoshandiswa kune yakakwirira simba, uye munda mhedzisiro transistors inoshandiswa kune yakaderera simba.Iyo DSP inoshandura mutongi kuti avandudze kunaka kwesimba rakagadzirwa, zvichiita kuti ive pedyo zvakanyanya kune sine wave ikozvino, inowanzoshandiswa mumasitimu emahombe emagetsi emagetsi (> 10kW).Chinhu chikuru ndechekuti simba reiyo system rakakwira uye mutengo wakaderera, asi nekuti iyo inobuda voltage uye ikozvino yeakasiyana PV tambo kazhinji haina kunyatsoenderana (kunyanya kana PV tambo dzakavharika zvishoma nekuda kwemakore, mumvuri, mavara. , nezvimwewo), iyo centralized inverter inogamuchirwa.Kuchinja kwenzira kuchaita kuti kuderedzwa kwekushanda kweiyo inverter process uye kuderera kwesimba revashandisi vemagetsi.Panguva imwecheteyo, kuvimbika kwekugadzirwa kwemagetsi kwese photovoltaic system kunokonzerwa nekushaya simba kwekushanda kweboka re photovoltaic unit.Iyo yazvino tsvakiridzo dhairekitori ndeye kushandiswa kwenzvimbo vector modulation control uye kuvandudza kweiyo topological yekubatanidza ma inverters kuti uwane hunyanzvi hwepamusoro pasi pemamiriro emutoro.
2. Inverter yetambo
Iyo tambo inverter yakavakirwa pane modular pfungwa.Imwe neimwe PV tambo (1-5kw) inopfuura nepakati inverter, ine yakanyanya simba peak yekutevera padivi reDC, uye yakabatana mukufanana kudivi reAC.Iyo inonyanya kufarirwa inverter pamusika.
Mazhinji mahombe emagetsi ephotovoltaic anoshandisa tambo inverters.Iyo inobatsira ndeyokuti haisi kukanganiswa nekusiyana kwemodule uye shading pakati petambo, uye panguva imwechete inoderedza kusawirirana pakati pehutano hwakanaka hwekushanda kwe photovoltaic modules uye inverter, nokudaro kuwedzera simba rekugadzira.Aya mabhenefiti ehunyanzvi haangodzikisi mutengo wesystem, asiwo anowedzera kuvimbika kwehurongwa.Panguva imwecheteyo, pfungwa ye "tenzi-muranda" inotangwa pakati pezvisungo, kuitira kuti hurongwa hugone kubatanidza mapoka akawanda e photovoltaic tambo pamwe chete uye rega imwe kana yakawanda yavo ishande pasi pemamiriro ekuti tambo imwe yesimba haigoni kuita. imwe inverter basa., nokudaro kubudisa magetsi akawanda.
Pfungwa yazvino ndeyekuti inverters yakati wandei inoumba "timu" pamwe chete pachinzvimbo che "tenzi-muranda" pfungwa, iyo inoita kuti sisitimu yakavimbika ienderere mberi.Parizvino, transformerless tambo inverters yakatonga.
3. Micro inverter
Mune yechinyakare PV sisitimu, iyo DC yekuisa kupera kwetambo yega yega inverter yakabatana munhevedzano neanosvika gumi photovoltaic mapaneru.Kana 10 mapaneru akabatanidzwa munhevedzano, kana imwe isingashande zvakanaka, iyi tambo inobatwa.Kana iyo MPPT imwechete yakashandiswa kune akawanda mapeji einverter, zvese zvinopinda zvichange zvichikanganiswa, zvakanyanya kuderedza simba rekugadzira simba.Mumashandisirwo anoshanda, akasiyana occlusion zvinhu zvakaita semakore, miti, chimneys, mhuka, guruva, ice nechando zvinokonzeresa zvinhu zviri pamusoro, uye mamiriro acho akajairika.MuPV system ye micro-inverter, imwe neimwe pani yakabatana kune micro-inverter.Kana imwe yemapanera ikatadza kushanda zvakanaka, iyi pani chete ndiyo inobatwa.Mamwe ese mamwe mapaneru ePV achashanda nemazvo, zvichiita kuti hurongwa hwese hunyatsoshanda uye huchigadzira simba rakawanda.Mumashandisirwo anoshanda, kana tambo inverter ikatadza, zvinokonzeresa akati wandei kilowatts e solar panels kutadza kushanda, nepo kukanganisa kweiyo micro-inverter kutadza kuri kudiki.
4. Power optimizer
Kuiswa kwesimba rekusimudzira mune solar simba rekugadzira system kunogona kuvandudza zvakanyanya shanduko inoshanda, uye kurerutsa mabasa eiyo inverter kuderedza mutengo.Kuti uwane yakangwara solar kugadzirwa kwesimba system, mudziyo wemagetsi optimizer unogona chaizvo kuita kuti sero rega rega rezuva riite kuita kwayo kwakanyanya uye kutarisa mashandisiro ebhatiri chero nguva.Iyo simba optimizer chishandiso chiri pakati pesimba rekugadzira system uye inverter, uye basa rayo guru nderekutsiva iyo yekutanga yakakwana yemagetsi point tracking basa reiyo inverter.Iyo simba optimizer inoita yakanyanya kukurumidza kukurumidza optimal simba poindi yekutevera scanning nekuenzanisa nekuita kurerutsa dunhu uye imwechete solar sero inoenderana nemagetsi optimizer, kuitira kuti sero rega rega rezuva rigone kuwana yakaringana simba rekutevera rekutevera, Uye zvakare, mamiriro ebhatiri anogona inotariswa chero nguva uye chero kupi nekuisa chip yekutaurirana, uye dambudziko rinogona kutaurwa nekukurumidza kuitira kuti vashandi vakakodzera vagadzirise nekukurumidza.
Basa re photovoltaic inverter
Iyo inverter haina kungoita basa reDC-AC kutendeuka, asi zvakare ine basa rekuwedzera kushanda kwesero rezuva uye basa rekuchengetedza kukanganisa system.Kupfupisa, kune otomatiki kushanda uye kuvharika mabasa, yakanyanya simba yekutevera yekudzora basa, anti-yakasununguka mashandiro ekuita (yegridi-yakabatana system), otomatiki voltage kugadzirisa basa (yegridhi-yakabatana system), DC yekuona basa (yegridi- yakabatana system), DC yekudzika yekuona Basa (yegridi-yakabatana masisitimu).Heino sumo pfupi kune otomatiki mashandiro uye kuvhara mabasa uye iyo yakanyanya simba yekutevera yekudzora basa.
(1) Kushanda otomatiki uye kumisa basa
Mushure mekubuda kwezuva mangwanani, kupisa kwezuva kwezuva kunowedzera zvishoma nezvishoma, uye kubuda kwesero rezuva kunowedzerawo.Kana simba rekubuda rinodiwa neinverter rasvika, iyo inverter inotanga kumhanya yega.Mushure mekupinda mukushanda, iyo inverter inotarisisa kubuda kweiyo solar cell module nguva dzese.Chero bedzi simba rinobuda re solar cell module rakakura kudarika simba rinobuda rinodiwa kuti inverter ishande, inverter icharamba ichimhanya;ichamira pakuvira kwezuva, kunyange kuine makore uye kuchinaya.Iyo inverter inogonawo kushanda.Kana iyo yakabuda ye solar cell module ikaita diki uye kubuda kweiyo inverter kuri pedyo ne0, iyo inverter inoumba inomira.
(2) Maximum simba rekutevera kutonga basa
Kubuda kwesolar cell module kunosiyana nekusimba kwemwaranzi yezuva uye tembiricha yesolar cell module pachayo (chip tembiricha).Mukuwedzera, sezvo solar cell module ine maitiro ekuti mhepo inoderera nekuwedzera kwezvino, pane imwe nzvimbo yekushanda yakakwana iyo iyo simba guru rinogona kuwanikwa.Kusimba kwemwaranzi yezuva kuri kuchinja, uye zviri pachena kuti yakakwana nzvimbo yekushanda iri kuchinjawo.Zvichienderana neshanduko idzi, nzvimbo yekushanda yesolar cell module inogara iri padanho repamusoro pesimba, uye sisitimu inogara ichiwana iyo yakanyanya simba kubuda kubva kune solar cell module.Kudzora uku ndiyo yakanyanya simba yekutevera kutonga.Chinhu chikuru chemainverters emagetsi ezuva masystem ndechekuti iwo anosanganisira basa repamusoro pesimba rekutsvaga simba (MPPT).
Nguva yekutumira: Oct-26-2022
