Mefuta ea li-inverters tsa polokelo ea matla Tsela ea thekenoloji ea li-inverters tsa polokelo ea matla: ho na le litsela tse peli tse kholo tsa ho kopanya ha DC le AC coupling Sistimi ea polokelo ea PV, ho kenyelletsa le li-module tsa letsatsi, balaoli, li-inverters, libeteri tsa lapeng tsa lithium, meroalo le lisebelisoa tse ling. Hajoale,li-inverters tsa polokelo ea matlahaholo-holo ke litsela tse peli tsa tekheniki: DC coupling le AC coupling. Khokahano ea AC kapa ea DC e bolela tsela eo liphanele tsa letsatsi li kopantsoeng kapa li hokahaneng le polokelo kapa sistimi ea betri. Mofuta oa khokahano lipakeng tsa li-module tsa letsatsi le libeteri e ka ba AC kapa DC. Lipotoloho tse ngata tsa elektroniki li sebelisa matla a DC, ka module ea letsatsi e hlahisang matla a DC le betri e bolokang matla a DC, leha ho le joalo lisebelisoa tse ngata li sebelisa matla a AC. 
Hybrid Solar System + Energy Storage System Hybrid solar inverter + sistimi ea polokelo ea matla, moo matla a DC a tsoang ho li-module tsa PV a bolokiloeng, ka molaoli, ka har'alithium betri ea lapeng, 'me grid e ka boela ea tjhaja betri ka sesebelisoa sa bi-directional DC-AC. Sebaka sa ho kopana ha matla se lehlakoreng la betri ea DC. Motšehare, matla a PV a qala ho fanoa ka mojaro, ebe betri ea lapeng ea lithium e lefisoa ke molaoli oa MPPT, 'me tsamaiso ea polokelo ea matla e kopantsoe le marang-rang, e le hore matla a feteletseng a ka kopanngoa le marang-rang; bosiu, betri e lokolloa ho mojaro, 'me khaello e tlatsitsoe ke grid; ha marang-rang a tsoa, matla a PV le betri ea lapeng ea lithium e fanoa feela ho moroalo oa off-grid, 'me mojaro o qetellong ea marang-rang o ke ke oa sebelisoa. Ha matla a mojaro a le moholo ho feta matla a PV, marang-rang le PV li ka fana ka matla ho mojaro ka nako e le 'ngoe. Hobane matla a PV kapa matla a mojaro ha a tsitse, e itšetlehile ka betri ea lapeng ea lithium ho leka-lekanya matla a tsamaiso. Ho feta moo, sistimi e boetse e ts'ehetsa mosebelisi ho beha nako ea ho tjhaja le ho tjhaja ho fihlela tlhoko ea motlakase ea mosebelisi. Molao-motheo oa ts'ebetso ea sistimi ea coupling ea DC 
Inverter e nyalisitsoeng e na le ts'ebetso e kopaneng ea off-grid bakeng sa ts'ebetso e ntlafalitsoeng ea ho tjhaja. Li-inverters tse tlanngoeng ke grid li tima motlakase ka bo eona ho sistimi ea solar nakong ea ho khaoha ha motlakase ka mabaka a polokeho. Ka lehlakoreng le leng, li-inverters tsa Hybrid li thusa basebelisi ho ba le ts'ebetso ea marang-rang le ea marang-rang, kahoo matla a fumaneha le nakong ea ho khaoha ha motlakase. Li-inverters tsa Hybrid li nolofatsa ho beha leihlo matla, ho lumella data ea bohlokoa joalo ka ts'ebetso le tlhahiso ea matla hore e hlahlojoe ka phanele ea inverter kapa lisebelisoa tse bohlale tse hokahaneng. Haeba sistimi e na le li-inverters tse peli, li tlameha ho beoa leihlo ka thoko. dC coupling e fokotsa tahlehelo ho phetoho ea AC-DC. Bokhoni ba ho tjhaja betri bo ka ba 95-99%, ha khokahano ea AC e le 90%. Li-inverters tsa Hybrid li na le moruo, li kopane ebile li bonolo ho li kenya. Ho kenya inverter e ncha ea hybrid e nang le li-betri tse kopantsoeng le DC ho ka ba theko e tlaase ho feta ho khutlisetsa libeteri tse kopantsoeng tsa AC ho sistimi e teng hobane molaoli o batla a le theko e tlase ho feta mochini o hokahantsoeng ke grid, switch switching e batla e theko e tlase ho feta khabinete ea kabo, le DC. -tharollo e kopantsoeng e ka etsoa ka inverter ea taolo e le 'ngoe, ho boloka litšenyehelo tsa lisebelisoa ka bobeli le litšenyehelo tsa ho kenya. Haholo-holo bakeng sa litsamaiso tse nyane le tse mahareng tsa matla a kantle ho grid, litsamaiso tse kopaneng tsa DC li na le litšenyehelo tse ngata haholo. Inverter e nyalisitsoeng e na le modular haholo 'me ho bonolo ho eketsa likarolo le lilaoli tse ncha,' me likarolo tse ling li ka eketsoa habonolo ho sebelisoa lilaoli tsa letsatsi tsa DC tse theko e tlase. Li-inverters tse nyalisitsoeng li etselitsoe ho kopanya polokelo ka nako efe kapa efe, ho etsa hore ho be bonolo ho eketsa libanka tsa betri. Sistimi ea hybrid inverter e kopane haholoanyane 'me e sebelisa lisele tse nang le matla a phahameng, tse nang le boholo bo nyane ba lithapo le tahlehelo e tlase. 
DC coupling system sebopeho 
Sebopeho sa sistimi e kopanyang ea AC Leha ho le joalo, li-inverters tsa letsatsi tse nyalisitsoeng ha li tšoanelehe bakeng sa ho ntlafatsa lisebelisoa tsa letsatsi tse teng 'me li bitsa chelete e ngata ho kenya lisebelisoa tse phahameng tsa matla. Haeba moreki a batla ho ntlafatsa sistimi e teng ea letsatsi ho kenyelletsa betri ea lapeng ea lithium, ho khetha hybrid solar inverter ho ka thatafatsa boemo. Ka lehlakoreng le leng, inverter ea betri e ka 'na ea e-ba le litšenyehelo tse ngata, kaha ho khetha ho kenya mochine o motlakase oa letsatsi ho tla hloka rework e feletseng le e theko e boima ea tsamaiso eohle ea mahlaseli a letsatsi. Lisebelisoa tse phahameng tsa motlakase li rarahane ho kenya 'me li ka bitsa chelete e ngata ka lebaka la tlhokahalo ea li-controller tse ngata tse phahameng. Haeba matla a mangata a sebelisoa motšehare, ho na le ho fokotseha ho fokolang ha katleho ka lebaka la DC (PV) ho ea ho DC (batt) ho ea ho AC. 
Sistimi e Kopantsoeng ea Solar + Sistimi ea polokelo ea Matla Sistimi ea polokelo ea Coupled PV +, eo hape e tsejoang ka hore ke AC retrofit PV + Storage system, e ka hlokomela hore matla a DC a tsoang ho li-module tsa PV a fetoloa matla a AC ka inverter e hoketsoeng ke grid, ebe matla a feteletseng a fetoloa matla a DC ebe a bolokoa betri ka mochini oa AC o kopantsoeng oa polokelo. Sebaka sa ho kopana ha matla se pheletsong ea AC. E kenyelletsa sistimi ea phepelo ea matla a photovoltaic le sistimi ea phepelo ea betri ea lithium lapeng. Sistimi ea photovoltaic e na le mofuta oa photovoltaic le inverter e hokahantsoeng le grid, athe sistimi ea betri ea lapeng ea lithium e na le banka ea betri le inverter ea bi-directional. Litsamaiso tsena tse peli li ka sebetsa ka boikemelo ntle le ho kena-kenana kapa li ka arohanngoa le marang-rang ho theha tsamaiso ea microgrid. Molao-motheo oa ts'ebetso ea AC coupling system 
Sistimi e kopantsoeng ea AC e lumellana ka 100%, ho bonolo ho e kenya ebile e atolosoa habonolo. Likarolo tse tloaelehileng tsa ho kenya lapeng lia fumaneha, esita le litsamaiso tse batlang li le kholo (2kW ho isa ho MW) li ka atolosoa habonolo hore li sebelisoe hammoho le li-jenereithara tse tlamelletsoeng le tse ikemetseng (lisete tsa diesel, li-turbine tsa moea, jj.). Boholo ba li-inverter tsa letsatsi tse ka holimo ho 3kW li na le lisebelisoa tse peli tsa MPPT, kahoo liphanele tse telele tsa likhoele li ka kenngoa ka mekhoa e fapaneng le li-angles tse sekameng. Ho li-voltages tse phahameng tsa DC, ho kopanya AC ho bonolo ebile ha ho thata ho kenya lisebelisoa tse kholo ho feta litsamaiso tse kopantsoeng tsa DC tse hlokang balaoli ba litefiso tse ngata tsa MPPT, ka hona li theko e tlase. AC coupling e loketse bakeng sa ho tsosolosa tsamaiso 'me e sebetsa hantle haholoanyane motšehare ka meroalo ea AC. Sistimi tse teng tsa PV tse hoketsoeng ke grid li ka fetoloa lits'ebetso tsa polokelo ea matla ka litšenyehelo tse tlase tsa ho kenya. E ka fana ka matla a sireletsehileng ho basebelisi ha marang-rang a matla a felile. E lumellana le litsamaiso tsa PV tse hoketsoeng ke grid tsa bahlahisi ba fapaneng. Sistimi e kopaneng ea AC hangata e sebelisoa bakeng sa lits'ebetso tse kholo tsa off-grid mme e sebelisa li-inverters tsa letsatsi li kopantsoe le li-inverter tsa mefuta e mengata kapa li-inverter / charger ho tsamaisa libeteri le grid/jenereithara. Leha e batla e le bonolo ebile e le matla ho e qala, ha e sebetse hantle hanyane (90-94%) ha ho tjhaja libetri ha ho bapisoa le lisebelisoa tse kopantsoeng le DC (98%). Leha ho le joalo, litsamaiso tsena li sebetsa hantle haholo ha li matlafatsa meroalo e phahameng ea AC nakong ea mots'eare, li fihla ho 97% kapa ho feta, 'me tse ling li ka atolosoa ka li-inverter tse ngata tsa letsatsi ho theha li-microgrid. Ho tjhaja ka AC-coupled ha ho sebetse hantle ebile ho bitsa chelete e ngata bakeng sa lisebelisoa tse nyane. Matla a kenang betri ka ho kopanya AC a tlameha ho fetoloa habeli, 'me ha mosebelisi a qala ho sebelisa matla, a tlameha ho fetoloa hape, ho eketsa tahlehelo e eketsehileng tsamaisong. Ka lebaka leo, katleho ea ho kopanya AC e theohela ho 85-90% ha u sebelisa tsamaiso ea betri. Li-inverters tse kopantsoeng tsa AC li theko e boima haholo bakeng sa litsamaiso tse nyane. 
Off-grid Solar System + Energy Storage System Sisteme ea letsatsi e kantle ho grid+ Sistimi ea polokelo hangata e na le li-module tsa PV, betri ea lapeng ea lithium, inverter ea polokelo e kantle ho grid, mojaro le jenereithara ea disele. Sistimi e khona ho tseba ho tjhaja betri ka kotloloho ka PV ka phetoho ea DC-DC, kapa phetolo ea bi-directional DC-AC bakeng sa ho tjhaja le ho ntša betri. Motšehare, matla a PV a fanoa pele ho mojaro, ebe ho latela ho tjhaja betri; bosiu, betri e lokolloa ho mojaro, 'me ha betri e sa lekana, jenereithara ea dizeli e fanoa ho mojaro. E ka finyella tlhokahalo ea letsatsi le letsatsi ea motlakase libakeng tse se nang marang-rang. E ka kopanngoa le lijenereithara tsa diesel ho fana ka meroalo kapa ho tjhaja libeteri. Boholo ba li-inverters tsa ho boloka matla a marang-rang ha li netefatsoe hore li hokahane le marang-rang, le haeba sistimi e na le marang-rang, e ke ke ea hokahanngoa le marang-rang. Maemo a sebetsang a li-inverters tsa polokelo ea matla Li-inverters tsa polokelo ea matla li na le likarolo tse tharo tse kholo, ho kenyelletsa taolo ea tlhoro, matla a standby le matla a ikemetseng. Ka sebaka, tlhōrō ke tlhokahalo ea Europe, nka Jeremane e le mohlala, theko ea motlakase Jeremane e fihlile ho $ 0,46 / kWh ka 2023, e boemong ba pele lefatšeng. Lilemong tsa morao tjena, litheko tsa motlakase tsa Jeremane li ntse li eketseha, 'me PV / PV polokelo LCOE ke lisente tse 10.2 / 15.5 feela ka tekanyo, 78% / 66% e tlase ho feta theko ea motlakase ea bolulo, litheko tsa motlakase oa bolulo le litšenyehelo tsa polokelo ea PV ea motlakase pakeng tsa phapang. e tla tsoela pele ho atoloha. Sistimi ea kabo le polokelo ea PV ea malapeng e ka fokotsa litšenyehelo tsa motlakase, kahoo libakeng tse theko e phahameng basebelisi ba na le khothatso e matla ea ho kenya polokelo ea ntlo. 'Marakeng o ntseng o phahama, basebelisi ba tloaetse ho khetha li-inverter tse nyalisitsoeng le li-betri tse kopantsoeng le AC, tse theko e tlaase le tse bonolo ho li etsa. Li-inverter tsa betri tsa off-grid tse nang le li-transformer tse boima li theko e boima haholo, ha li-inverter tse nyalisitsoeng le li-betri tse kopantsoeng ke AC li sebelisa li-inverters tse se nang li-transistor tse nang le li-transistors. Li-inverters tsena tse kopaneng, tse bobebe li na le litekanyetso tse tlase tsa ho phahama le ho phahama ha matla, empa li theko e tlase, li theko e tlase ebile ho bonolo ho li etsa. Motlakase oa bekapo oa hlokahala US le Japane, 'me matla a ikemetseng ke seo 'maraka o se hlokang, ho kenyeletsoa le libakeng tse kang Afrika Boroa. Ho ea ka EIA, nako e tloaelehileng ea ho tima ha motlakase United States ka 2020 e feta lihora tse 8, haholo-holo ke baahi ba US ba lulang libakeng tse qhalakaneng, karolo ea marang-rang a tsofetseng le likoluoa tsa tlhaho. Ts'ebeliso ea litsamaiso tsa kabo le polokelo ea PV ea malapa li ka fokotsa ho itšetleha ka marang-rang le ho eketsa ts'epo ea phepelo ea motlakase lehlakoreng la bareki. Sistimi ea polokelo ea US PV e kholoanyane ebile e na le libeteri tse ngata, hobane tlhokahalo ea ho boloka matla ho arabela likoluoa tsa tlhaho. Phepelo ea motlakase e ikemetseng ke tlhoko e potlakileng ea 'maraka, Afrika Boroa, Pakistan, Lebanon, Philippines, Vietnam le linaha tse ling tse tsitsipanong ea phepelo ea phepelo ea lefats'e, meaho ea naha ha ea lekana ho ts'ehetsa baahi ka motlakase, kahoo basebelisi ba lokela ho hlomelloa ka malapa. Sistimi ea polokelo ea PV. Li-inverters tsa Hybrid joalo ka matla a ho boloka li na le meeli. Ha ho bapisoa le li-inverter tse inehetseng tsa off-grid, li-inverters tse nyalisitsoeng li na le meeli e itseng, haholo-holo ts'ebetso e lekanyelitsoeng kapa tlhahiso ea matla e phahameng haholo haeba motlakase o khaoha. Ntle le moo, li-inverters tse ling tse nyalisitsoeng ha li na matla kapa li na le matla a fokolang a ho boloka matla, ka hona, ke meroalo e menyane feela kapa ea bohlokoa joalo ka mabone le li-circuits tsa motlakase tsa mantlha tse ka tšehetsoang nakong ea ho khaoha ha motlakase, 'me litsamaiso tse ngata li na le tieho ea metsotsoana e 3-5 nakong ea ho tima ha motlakase. . Ka lehlakoreng le leng, li-inverters tsa Off-grid li fana ka ts'ebetso e phahameng haholo le tlhahiso ea matla e phahameng haholo 'me e khona ho sebetsana le meroalo e matla haholo. Haeba mosebelisi a rera ho matlafatsa lisebelisoa tse phahameng haholo tse kang lipompo, li-compressor, metjhini e hlatsoang le lisebelisoa tsa motlakase, inverter e tlameha ho khona ho sebetsana le meroalo e phahameng ea inductance. Li-inverters tse nyalisitsoeng tse kopantsoeng ke DC Hona joale indasteri e sebelisa mekhoa e mengata ea polokelo ea PV le DC coupling ho finyella moralo o kopanetsoeng oa polokelo ea PV, haholo-holo lits'ebetsong tse ncha moo li-inverters tse nyalisitsoeng li leng bonolo ebile li theko e tlaase ho li kenya. Ha o eketsa litsamaiso tse ncha, tšebeliso ea li-inverters tse nyalisitsoeng bakeng sa polokelo ea matla ea PV e ka fokotsa litšenyehelo tsa lisebelisoa le litšenyehelo tsa ho kenya, hobane mochine oa polokelo ea polokelo o ka finyella ho kopanya ho laola-inverter. Motlakase le switching switch ka har'a litsamaiso tse kopaneng tsa DC li theko e tlase ho feta li-inverters tse hokahantsoeng le gridi le likhabinete tsa kabo ka har'a litsamaiso tse kopantsoeng tsa AC, ka hona, tharollo e kopantsoeng le DC e theko e tlase ho feta tharollo ea AC-coupled. Selaoli, betri le inverter ka har'a sistimi e kopaneng ea DC li serial, li hokahane haufi-ufi ebile ha li fetohe habonolo. Bakeng sa sistimi e sa tsoa kenngoa, PV, betri le inverter li entsoe ho latela matla a mosebelisi le ts'ebeliso ea matla, ka hona e loketse haholoanyane bakeng sa inverter e nyalisitsoeng ea DC. 
Lihlahisoa tsa DC-coupled hybrid inverter ke tsona tse tloaelehileng, BSLBATT le eona e phatlalalitse ea eona5kw hybrid solar inverterqetellong ea selemo se fetileng, 'me e tla hlahisa li-inverters tsa 6kW le 8kW tse nyalisitsoeng tsa letsatsi ka ho latellana selemong sena! Lihlahisoa tse ka sehloohong tsa baetsi ba li-inverter tsa polokelo ea matla li ngata bakeng sa limmaraka tse tharo tse kholo tsa Europe, United States le Australia. 'Marakeng oa Europe, Jeremane, Austria, Switzerland, Sweden, Netherlands le tse ling tsa setso PV maraka maraka ke haholo-holo mekhahlelo e meraro maraka, molemo haholoanyane ho matla a lihlahisoa tse khōloanyane. Italy, Spain le linaha tse ling tse ka boroa tsa Europe haholo li hloka lihlahisoa tse tlase tsa mokhahlelo o le mong. 'Me Czech Republic, Poland, Romania, Lithuania le linaha tse ling tsa Europe Bochabela haholo-holo li batla lihlahisoa tsa mekhahlelo e meraro, empa kamohelo ea theko e tlaase. United States e na le sistimi e kholo ea polokelo ea matla mme e khetha lihlahisoa tse phahameng tsa matla. Mofuta o arohaneng oa betri le oa polokelo o ratoa haholo ke li-installer, empa inverter ea betri kaofela-in-one ke mokhoa oa nts'etsopele ea nako e tlang. PV energy storage hybrid inverter e boetse e arotsoe ka inverter e nyalisitsoeng e rekisoang ka thoko le sistimi ea polokelo ea matla ea betri (BESS) e rekisang inverter ea polokelo ea matla le betri hammoho. Hona joale, tabeng ea barekisi ba laolang mocha, e mong le e mong oa bareki ba tobileng ba tsepamisitsoe haholoanyane, betri, lihlahisoa tse arohaneng tsa inverter li ratoa haholo, haholo-holo ka ntle ho Jeremane, haholo-holo ka lebaka la ho kenya habonolo le katoloso e bonolo, 'me ho bonolo ho fokotsa litšenyehelo tsa ho reka. , betri kapa inverter e ke ke ea fanoa ho fumana phepelo ea bobeli, ho fana ho sireletsehile haholoanyane. Jeremane, United States, Japane mokhoa ke mochine o mong le o mong. Mochini o mong le o mong o ka boloka mathata a mangata ka mor'a hore o rekisoe, 'me ho na le lintlha tsa setifikeiti, tse kang setifikeiti sa tsamaiso ea mollo oa United States se hloka ho amahanngoa le inverter. Mokhoa oa morao-rao oa theknoloji o ea mochine o mong le o mong, empa ho tloha 'marakeng oa thekiso ea mofuta o arohaneng ka har'a installer ho amohela hanyenyane ho feta. Lits'ebetsong tse kopantsoeng tsa DC, lits'ebetso tsa betri tsa motlakase o phahameng li sebetsa hantle, empa li bitsa chelete e ngata haholo ha ho na le khaello ea matla a betri. Ha ho bapisoa leSistimi ea betri ea 48V, libeteri tse matla a phahameng li sebetsa sebakeng sa 200-500V DC, li na le tahlehelo e tlase ea lithapo le ts'ebetso e phahameng hobane liphanele tsa letsatsi li sebetsa ka 300-600V, tse ts'oanang le motlakase oa betri, tse lumellang tšebeliso ea li-converter tse sebetsang hantle haholo tsa DC-DC tse nang le matla a holimo. tahlehelo e tlase. Lisebelisoa tsa betri tse nang le matla a phahameng li bitsa chelete e ngata ho feta li-betri tse tlaase, ha li-inverters li theko e tlaase. Hona joale ho na le tlhokahalo e kholo ea li-betri tse phahameng tsa motlakase le khaello ea phepelo, kahoo ho thata ho reka libeteri tse phahameng tsa motlakase, 'me tabeng ea khaello ea li-betri tse phahameng, ho theko e tlaase ho sebelisa tsamaiso ea betri e tlaase. DC e kopanya pakeng tsa lisebelisoa tsa letsatsi le li-inverters 
DC e kopanya ka kotloloho ho inverter e nyalisitsoeng e lumellanang 
AC Coupled Inverters Litsamaiso tse kopantsoeng le DC ha li tšoanelehe bakeng sa ho nchafatsa litsamaiso tse teng tse hokahantsoeng ke grid. Mokhoa oa ho kopanya oa DC haholo-holo o na le mathata a latelang: Ntlha ea pele, tsamaiso e sebelisang DC coupling e na le mathata a ho kopanya lithapo tse rarahaneng le moralo o sa hlokahaleng oa module ha o tsosolosa mokhoa o teng oa marang-rang; ea bobeli, ho lieha ho fetoha pakeng tsa marang-rang a marang-rang le a off-grid ke nako e telele, e leng se etsang hore phihlelo ea motlakase ea mosebedisi e futsanehe; ea boraro, ts'ebetso ea taolo e bohlale ha e na kakaretso e lekaneng 'me karabelo ea taolo ha e fihle ka nako e lekaneng, e leng se etsang hore ho be thata ho hlokomela ts'ebeliso ea micro-grid ea phepelo ea motlakase ea ntlo eohle. Ka hona, lik'hamphani tse ling li khethile tsela ea theknoloji ea AC coupling, joalo ka Rene. Sistimi ea ho kopanya ea AC e nolofalletsa ho kenya sehlahisoa. ReneSola e sebelisa lehlakore la AC le PV tsamaiso ea ho kopanya ho finyella ho phalla ha matla a mabeli, ho felisa tlhokahalo ea ho fumana bese ea PV DC, ho etsa hore ho be bonolo ho kenya lihlahisoa; ka motsoako oa taolo ea nako ea nnete ea software le ntlafatso ea moralo oa hardware ho fihlela phetoho ea millisecond ho ea le ho tsoa ho grid; ka motsoako o mocha oa taolo ea tlhahiso ea motlakase oa polokelo ea matla le moralo oa phepelo ea matla le tsamaiso ea phepelo ho fihlela phepelo ea ntlo eohle tlasa taolo ea lebokose la taolo ea othomathiki Ts'ebeliso ea micro-grid ea taolo ea lebokose la taolo ea othomathike. Bokhoni bo phahameng ba ho fetolela lihlahisoa tsa AC bo tlase hanyane ho feta bali-inverters tse nyalisitsoeng. Ts'ebetso e phahameng ea phetoho ea lihlahisoa tse kopantsoeng tsa AC ke 94-97%, e tlase hanyane ho feta ea li-inverters tse nyalisitsoeng, haholo hobane li-module li tlameha ho fetoloa habeli pele li ka bolokoa ka betri kamora ho hlahisa matla, e leng ho fokotsang katleho ea phetoho. .
Nako ea poso: May-08-2024