Lithapo tsa photovoltaic ke motheo oa ho tšehetsa lisebelisoa tsa motlakase lits'ebetsong tsa photovoltaic.Palo ea likhoele tse sebelisoang mekhoeng ea photovoltaic e feta ea mekhoa e akaretsang ea ho fehla matla, hape ke e 'ngoe ea lintlha tsa bohlokoa tse amang katleho ea sistimi eohle.
Le hoja lithapo tsa photovoltaic DC le AC li nka hoo e ka bang 2-3% ea litšenyehelo tsa tsamaiso ea photovoltaic e abuoang, phihlelo ea sebele e fumane hore ho sebelisa likhoele tse fosahetseng ho ka lebisa tahlehelong e feteletseng ea mohala morerong, botsitso bo fokolang ba phepelo ea motlakase, le lintlha tse ling tse fokotsang matla a motlakase. dipoelo tsa morero.
Ka hona, ho khetha lithapo tse nepahetseng ho ka fokotsa sekhahla sa kotsi ea morero, ho ntlafatsa ts'epahalo ea phepelo ea motlakase, le ho thusa kaho, ts'ebetso le tlhokomelo.
Mefuta ea lithapo tsa photovoltaic
Ho ea ka tsamaiso ea liteishene tsa matla a photovoltaic, lithapo li ka aroloa ka lithapo tsa DC le lithapo tsa AC.Ho latela maemo a fapaneng a ts'ebeliso le lisebelisoa, li arotsoe ka tsela e latelang:
Lithapo tsa DC li sebelisoa haholo bakeng sa:
Khokahano ea letoto lipakeng tsa likarolo;
Khokahano e ts'oanang lipakeng tsa likhoele le lipakeng tsa likhoele le mabokose a kabo ea DC (mabokose a kopanyang);
Pakeng tsa mabokose a kabo ea DC le li-inverters.
Lithapo tsa AC li sebelisoa haholo bakeng sa:
Khokahano lipakeng tsa li-inverters le li-transformer tse nyolohang;
Khokahano lipakeng tsa li-transformer tsa mohato o holimo le lisebelisoa tsa kabo;
Khokahano lipakeng tsa lisebelisoa tsa kabo le li-grid tsa motlakase kapa basebelisi.
Litlhoko tsa lithapo tsa photovoltaic
Lithapo tse sebelisoang karolong e tlase ea motlakase ea DC ea motlakase oa letsatsi la photovoltaic li na le litlhoko tse fapaneng tsa ho hokahanya likarolo tse fapaneng ka lebaka la maemo a fapaneng a tšebeliso le litlhoko tsa theknoloji.Lintlha tse akaretsang tse lokelang ho nahanoa ke: ts'ebetso ea ho kenya mohala, ts'ebetso ea mocheso le lelakabe, ts'ebetso e thibelang botsofali le litlhaloso tsa bophara ba terata.Lithapo tsa DC hangata li beoa ka ntle 'me li hloka ho thibela mongobo, ho sireletsa letsatsi, ho se kenele serame le ho sireletsa UV.Ka hona, lithapo tsa DC ka har'a sistimi ea photovoltaic e ajoang hangata li khetha likhoele tse khethehileng tse netefalitsoeng ke photovoltaic.Mofuta ona oa khoholeho ea khoholeho e sebelisa sekoahelo se nang le likarolo tse peli, se hanyetsanang hantle le UV, metsi, ozone, asiti le khoholeho ea letsoai, e nang le bokhoni bo botle ba maemo a leholimo kaofela le ho se mamelle.Ha ho nahanoa ka sehokelo sa DC le tlhahiso ea hona joale ea mojule oa photovoltaic, likhoele tsa DC tse sebelisoang hangata ke PV1-F1 * 4mm2, PV1-F1 * 6mm2, joalo-joalo.
Lithapo tsa AC li sebelisoa haholo ho tloha lehlakoreng la AC la inverter ho ea lebokoseng la motsoako oa AC kapa khabinete e hoketsoeng ke gridi ea AC.Bakeng sa likhoele tsa AC tse kentsoeng kantle, mongobo, letsatsi, serame, ts'ireletso ea UV, le ho beha sebaka se selelele ho lokela ho nahanoa.Ka kakaretso, ho sebelisoa likhoele tsa mofuta oa YJV;bakeng sa lithapo tsa AC tse kentsoeng ka tlung, tšireletso ea mollo le tšireletso ea likhoto le bohloa e lokela ho nkoa.
Khetho ea lisebelisoa tsa cable
Lithapo tsa DC tse sebelisoang liteisheneng tsa motlakase oa photovoltaic li sebelisoa haholo bakeng sa mosebetsi oa nako e telele oa kantle.Ka lebaka la mefokolo ea maemo a kaho, lihokelo li sebelisoa haholo bakeng sa khokahano ea cable.Lisebelisoa tsa li-cable conductor li ka aroloa ka mokokotlo oa koporo le motheo oa aluminium.
Lithapo tsa mantlha tsa koporo li na le matla a antioxidant a betere ho feta aluminium, bophelo bo bolelele, botsitso bo betere, ho theoha ha matla a tlase le tahlehelo e tlase ea matla.Ha ho hahoa, li-cores tsa koporo li tenyetseha haholoanyane 'me radius e lumellehang ea ho kobeha e nyane, ka hona ho bonolo ho thinya le ho feta liphaepheng.Ho feta moo, li-cores tsa koporo ha li khathale ebile ha li bonolo ho robeha ka mor'a hore li kobehe khafetsa, kahoo wiring e loketse.Ka nako e ts'oanang, li-cores tsa koporo li na le matla a phahameng a mochine 'me li khona ho mamella tsitsipano e kholo ea mochine, e leng se tlisang boiketlo bo boholo ba ho haha le ho beha, hape ho theha maemo a kaho ea mechine.
Ho fapana le hoo, ka lebaka la likarolo tsa lik'hemik'hale tsa aluminium, lithapo tsa mantlha tsa aluminium li na le monyetla oa ho oxidation (electrochemical reaction) nakong ea ho kenya, haholo-holo creep, e ka lebisang ho hloleheng habonolo.
Ka hona, le hoja litšenyehelo tsa lisebelisoa tsa motheo tsa aluminium li le tlaase, molemong oa ts'ireletso ea morero le ts'ebetso e tsitsitseng ea nako e telele, Rabbit Jun e khothalletsa ho sebelisa lisebelisoa tsa koporo tsa koporo mererong ea photovoltaic.
Palo ea khetho ea cable ea photovoltaic
E lekantsoe hajoale
Sebaka se arohaneng sa lithapo tsa DC likarolong tse fapaneng tsa tsamaiso ea photovoltaic li khethoa ho ea ka melao-motheo e latelang: Lithapo tse hokahanyang pakeng tsa li-module tsa lisele tsa letsatsi, likhoele tse hokahanyang pakeng tsa libeteri, le likhoele tse hokelang tsa meroalo ea AC hangata li khethoa ka tekanyo e lekantsoeng. ea hona joale ea 1.25 makhetlo a mangata a mangata a tsoelang pele a sebetsang hona joale a cable ka 'ngoe;
likhoele tse kopanyang pakeng tsa lihlopha tsa lisele tsa letsatsi le lihlopha, le likhoele tse kopanyang pakeng tsa libeteri (lihlopha) le li-inverters hangata li khethoa ka nako e lekantsoeng ea makhetlo a 1.5 ho feta tekanyo e tsoelang pele ea ho sebetsa ea cable ka 'ngoe.
Hajoale, khetho ea karolo ea li-cable cross-section e ipapisitse le kamano pakeng tsa bophara ba cable le ea hajoale, 'me tšusumetso ea mocheso o teng, tahlehelo ea motlakase le mokhoa oa ho beha matla a ho jara lithapo hangata ha li hlokomolohuoe.
Libakeng tse fapaneng tsa ts'ebeliso, matla a hajoale a thapo, 'me ho khothaletsoa hore bophara ba terata bo khetheloe holimo ha motlakase o le haufi le boleng ba tlhoro.
Tšebeliso e fosahetseng ea lithapo tsa photovoltaic tse nang le diameter tse nyenyane li ile tsa baka mollo ka mor'a hore motlakase o be o mongata
Ho lahleheloa ke motlakase
Tahlehelo ea motlakase tsamaisong ea photovoltaic e ka khetholloa e le: tahlehelo ea motlakase = hona joale * bolelele ba cable * voltage factor.E ka bonoa ho latela mokhoa oa hore tahlehelo ea motlakase e lekana le bolelele ba thapo.
Ka hona, nakong ea tlhahlobo ea sebaka sa marang-rang, molao-motheo oa ho boloka lethathamo ho inverter le inverter sebakeng sa marang-rang se haufi ka hohle kamoo ho ka khonehang se lokela ho lateloa.
Lits'ebetsong tse akaretsang, tahlehelo ea mohala oa DC lipakeng tsa "photovoltaic array" le "inverter" ha e fete 5% ea li-voltage tse ngata, 'me tahlehelo ea mohala oa AC lipakeng tsa inverter le sebaka sa khokahano ea grid ha e fete 2% ea motlakase o hlahisoang ke inverter.
Ts'ebetsong ea ts'ebeliso ea boenjiniere, ho ka sebelisoa foromo ea maiketsetso: △U=(I*L*2)/(r*S)
△U: ho theoha ha motlakase oa cable-V
I: Cable e hloka ho mamella boholo ba cable-A
L: bolelele ba ho beha cable-m
S: cable cross-sectional area-mm2;
r: conductivity conductor-m/(Ω*mm2;), r koporo=57, r aluminium=34
Ha u beha lithapo tse ngata tsa mantlha ka bongata, moralo o hloka ho ela hloko lintlha
Ts'ebelisong ea 'nete, ho nahanoa ka lintlha tse kang mokhoa oa ho roala mohala le lithibelo tsa ho tsamaisa, likhoele tsa sistimi ea photovoltaic, haholo lithapo tsa AC, li ka ba le likhoele tse ngata tsa mantlha tse kentsoeng ka bongata.
Ka mohlala, tsamaisong e nyenyane ea mekhahlelo e meraro, mohala o tsoang oa AC o sebelisa "line line four cores" kapa "one line five cores";tsamaisong e kholo ea mekhahlelo e meraro, mohala o tsoang oa AC o sebelisa lithapo tse ngata ka ho bapa ho e-na le lithapo tse kholo tsa bophara bo le bong.
Ha lithapo tse ngata tse nang le lithapo tse ngata li behiloe ka bongata, matla a hona joale a ho jara a likhoele a tla fokotsoa ke karolo e itseng, 'me boemo bona ba ho nyenyefatsa bo hloka ho nahanoa qalong ea moralo oa projeke.
Mekhoa ea ho beha lithapo
Litsenyehelo tsa kaho ea boenjiniere ba cable mererong ea ho hlahisa matla a photovoltaic hangata li phahame, 'me khetho ea mokhoa oa ho beha e ama ka ho toba litšenyehelo tsa kaho.
Ka hona, moralo o utloahalang le khetho e nepahetseng ea mekhoa ea ho beha li-cable ke lihokelo tsa bohlokoa mosebetsing oa moralo oa li-cable.
Mokhoa oa ho beha lithapo o nahanoa ka botlalo ho latela maemo a projeke, maemo a tikoloho, litlhaloso tsa cable, mehlala, bongata le lintlha tse ling, 'me o khethoa ho latela litlhoko tsa ts'ebetso e tšepahalang le tlhokomelo e bonolo le molao-motheo oa tekheniki le moruo.
Ho beoa ha likhoele tsa DC mererong ea ho fehla matla a motlakase haholo-holo ho kenyelletsa ho patoa ka ho toba ka lehlabathe le litene, ho rala ka liphaephe, ho beha likoti, ho beha liforomo tsa cable, ho beha lithanele, joalo-joalo.
Ho beha lithapo tsa AC ha ho fapane haholo le mekhoa ea ho beha litsamaiso tse akaretsang tsa matla.
Lithapo tsa DC li sebelisoa haholo lipakeng tsa li-module tsa photovoltaic, lipakeng tsa likhoele le mabokose a kopanyang a DC, le lipakeng tsa mabokose a kopanyang le li-inverters.
Li na le libaka tse nyane tse arohaneng le bongata bo boholo.Hangata, likhoele li tlameletsoe ka masakaneng a module kapa li behiloe ka liphaephe.Ha ho behoa, lintlha tse latelang li lokela ho nahanoa:
Bakeng sa ho hokahanya likhoele pakeng tsa li-module le lithapo tse kopanyang pakeng tsa likhoele le mabokose a kopanyang, li-brackets tsa module li lokela ho sebelisoa e le tšehetso ea mocha le ho lokisoa ha cable ka hohle kamoo ho ka khonehang, e leng ho ka fokotsang tšusumetso ea maemo a tikoloho ho isa tekanyong e itseng.
Matla a ho beha cable e lokela ho ba a ts'oanang le a loketseng, 'me ha aa lokela ho ba thata haholo.Phapang ea mocheso pakeng tsa motšehare le bosiu libakeng tsa photovoltaic hangata e kholo, 'me ho atolosoa ha mocheso le ho fokotseha ho lokela ho qojoa ho thibela ho senyeha ha cable.
Mohala oa thepa ea photovoltaic o etella pele holim'a mohaho o lokela ho ela hloko ka kakaretso aesthetics ea mohaho.
Sebaka sa ho beha se lokela ho qoba ho beha lithapo mathōkong a nchocho a marako le masakaneng ho qoba ho seha le ho sila lera la insuela ho baka lipotoloho tse khutšoane, kapa matla a ho kuta ho khaola lithapo le ho baka lipotoloho tse bulehileng.
Ka nako e ts'oanang, mathata a kang ho otla ha lehalima ka ho toba meleng ea lithapo a lokela ho nkoa.
Rera ka mokhoa o utloahalang tsela ea ho beha lithapo, fokotsa litharo, 'me u kopanye ho beha ka hohle kamoo ho ka khonehang ho fokotsa ho epolloa ha lefatše le tšebeliso ea cable nakong ea kaho ea morero.
Lintlha tsa litšenyehelo tsa cable ea photovoltaic
Theko ea lithapo tse tšoanelehang tsa photovoltaic DC 'marakeng hona joale li fapana ho ea ka sebaka sa sefapano le bophahamo ba theko.
Ho phaella moo, litšenyehelo tsa mohala li amana le moralo oa seteishene sa matla.Moralo o ntlafalitsoeng oa likarolo o ka boloka tšebeliso ea likhoele tsa DC.
Ka kakaretso, litšenyehelo tsa likhoele tsa photovoltaic li tloha ho 0.12 ho isa ho 0.25/W.Haeba e feta haholo, ho ka 'na ha hlokahala hore u hlahlobe hore na moqapi o utloahala kapa hore na lithapo tse khethehileng li sebelisoa ka mabaka a khethehileng.
Kakaretso
Le hoja lithapo tsa photovoltaic e le karolo e nyenyane feela ea tsamaiso ea photovoltaic, ha ho bonolo joalokaha ho nahanoa ho khetha lithapo tse loketseng ho etsa bonnete ba hore lebelo le tlaase la kotsi ea morero, ho ntlafatsa ts'epo ea phepelo ea matla, le ho thusa kaho, ts'ebetso le tlhokomelo.Ke tšepa hore selelekela sa sengoloa sena se ka u fa tšehetso e itseng ea theory mabapi le moralo le khetho ea nako e tlang.
Ka kopo, ikutloe u lokolohile ho ikopanya le rona bakeng sa lintlha tse ling mabapi le lithapo tsa letsatsi.
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Nako ea poso: Jun-19-2024
