Mefuta ea li-inverter tsa polokelo ea matla
Tsela ea tekheniki: Ho na le litsela tse peli tse kholo: ho kopanya DC le ho kopanya AC
Sistimi ea polokelo ea photovoltaic e kenyelletsa liphanele tsa letsatsi, balaoli,li-inverters tsa letsatsi, libeteri tsa polokelo ea matla, meroalo le lisebelisoa tse ling. Ho na le litsela tse peli tse kholo tsa tekheniki: ho kopanya ha DC le ho kopanya AC. Khokahano ea AC kapa ea DC e bolela tsela eo phanele ea letsatsi e hokahaneng kapa e hokahaneng le polokelo ea matla kapa sistimi ea betri. Mofuta oa khokahano lipakeng tsa phanele ea letsatsi le betri e ka ba AC kapa DC. Lipotoloho tse ngata tsa elektroniki li sebelisa DC, liphanele tsa letsatsi li hlahisa DC, 'me libeteri li boloka DC, empa lisebelisoa tse ngata tsa motlakase li sebetsa ho AC.
Hybrid photovoltaic + tsamaiso ea ho boloka matla, ke hore, hona joale e tobileng e hlahisoang ke mojule oa photovoltaic e bolokiloe ka har'a betri pakete ka molaoli, 'me grid e ka boela ea tjhaja betri ka converter ea DC-AC ea bidirectional. Sebaka sa pokello ea matla se pheletsong ea betri ea DC. Motšehare, motlakase oa motlakase oa photovoltaic o qala ho fana ka mojaro, ebe o lefisa betri ka molaoli oa MPPT. Mokhoa oa ho boloka matla o kopantsoe le marang-rang, 'me matla a feteletseng a ka kopanngoa le marang-rang; bosiu, betri e tsoa ho fana ka mojaro, 'me karolo e sa lekaneng e tlatsitsoe ke marang-rang; ha marang-rang a felloa ke matla, motlakase oa photovoltaic le libeteri tsa lithium feela li fana ka matla ho mojaro oa off-grid, 'me mojaro o kopantsoeng le marang-rang o ke ke oa sebelisoa. Ha matla a mojaro a le matla ho feta matla a ho hlahisa matla a photovoltaic, marang-rang le photovoltaic li ka fana ka matla ho mojaro ka nako e le 'ngoe. Hobane tlhahiso ea matla a photovoltaic le tšebeliso ea matla a mojaro ha e tsitsa, e itšetlehile ka libeteri ho leka-lekanya matla a tsamaiso. Ntle le moo, sistimi e boetse e ts'ehetsa basebelisi ho beha nako ea ho tjhaja le ho tjhaja ho fihlela tlhoko ea motlakase ea mosebelisi.
Mokhoa oa ho sebetsa oa DC-Coupled System
Mohloli: spiritenergy, Haitong Securities Research Institute
Hybrid photovoltaic + sistimi ea polokelo ea matla
Mohloli: Sechaba sa GoodWe Photovoltaic, Haitong Securities Research Institute
Inverter e nyalisitsoeng e kopanya ts'ebetso ea off-grid ho ntlafatsa ts'ebetso ea ho tjhaja. Li-inverters tse tlanngoeng ke grid li koala motlakase ka bo eona ho sistimi ea hau ea letsatsi nakong ea ho khaoha ha motlakase ka mabaka a polokeho. Ka lehlakoreng le leng, li-inverters tsa Hybrid li lumella basebelisi ho ba le bokhoni ba off-grid le on-grid ka nako e le 'ngoe, kahoo matla a ka sebelisoa esita le nakong ea ho khaoha ha motlakase. Li-inverter 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. Ho kopanya ha DC ho fokotsa tahlehelo ea 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 chelete e ngata, li kopane, 'me ho bonolo ho li kenya. Ho kenya inverter e ncha ea hybrid e nang le betri e kopantsoeng le DC ho ka ba theko e tlaase ho feta ho khutlisa betri e kopantsoeng le AC ho sistimi e teng hobane molaoli o theko e tlase ho feta mochini o tlamelletsoeng ke grid, switch e theko e tlase ho feta khabinete ea kabo, mme DC- tharollo e kopanetsoeng e ka boela ea etsoa "controller-inverter all-in-one", e bolokang lisebelisoa 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. Li-inverters tsa Hybrid li na le modular haholo, 'me ho bonolo ho eketsa likarolo le lilaoli tse ncha. Likarolo tse ling li ka eketsoa habonolo ho sebelisoa lilaoli tsa letsatsi tsa DC tse batlang li le theko e tlase. 'Me li-inverters tse nyalisitsoeng li etselitsoe ho kopanya polokelo ka nako efe kapa efe, ho etsa hore ho be bonolo ho eketsa lipakete tsa betri. Sistimi ea Hybrid inverter e batla e kopane, e sebelisa libeteri tse nang le matla a phahameng, 'me e na le boholo bo nyane ba lithapo le tahlehelo e tlase.
tlhophiso ea sistimi ea coupling ea DC
Mohloli: Zhongrui Lighting Network, Haitong Securities Research Institute
AC coupling system tlhophiso
Mohloli: Zhongrui Lighting Network, Haitong Securities Research Institute
Leha ho le joalo, li-inverters tse nyalisitsoeng ha li tšoanelehe bakeng sa ho ntlafatsa lisebelisoa tsa letsatsi tse teng, 'me litsamaiso tse kholoanyane li rarahane ebile li theko e boima ho li kenya. Haeba mosebelisi a batla ho ntlafatsa sistimi e teng ea letsatsi ho kenyelletsa polokelo ea betri, ho khetha inverter e nyalisitsoeng ho ka thatafatsa boemo, 'me inverter ea betri e ka ba le litšenyehelo tse ngata hobane ho khetha ho kenya hybrid inverter ho hloka ts'ebetso e phethahetseng le e theko e boima. tsamaiso ea matla a letsatsi. Lisebelisoa tse kholo li rarahane haholo ho kenya le ho bitsa chelete e ngata ka lebaka la tlhokahalo ea balaoli ba matla a phahameng a matla. Haeba motlakase o sebelisoa haholo mots'ehare, ho tla ba le phokotseho e nyane ea ts'ebetso ka lebaka la DC (PV) ho ea ho DC (batt) ho ea ho AC.
Sistimi e kopantsoeng ea photovoltaic + ea polokelo ea matla, e tsejoang hape e le AC transformation photovoltaic + sistimi ea polokelo ea matla, e ka hlokomela hore matla a DC a hlahisoang ke mojule oa photovoltaic a fetoloa matla a AC ka inverter e hokahaneng le grid, ebe matla a feteletseng a fetoloa. matla a DC 'me a bolokoa ka har'a betri ka mochine oa motlakase o kopantsoeng oa AC. Sebaka sa pokello ea matla se pheletsong ea AC. E kenyelletsa tsamaiso ea motlakase ea photovoltaic le tsamaiso ea matla a betri. Mochine oa photovoltaic o na le mochine oa photovoltaic le mochine o motlakase o kopantsoeng le gridi, 'me tsamaiso ea betri e na le pakete ea betri le inverter ea mahlakoreng a mabeli. Litsamaiso tsena tse peli li ka sebetsa ka boithaopo ntle le ho kena-kenana, kapa li ka arohanngoa le marang-rang a maholo a matla ho theha tsamaiso ea microgrid.
Kamoo AC-Coupled Systems e Sebetsang Kateng
Mohloli: spiritenergy, Haitong Securities Research Institute
Sistimi e kopaneng ea photovoltaic + ea polokelo ea matla
Mohloli: Sechaba sa GoodWe Solar, Haitong Securities Research Institute
The AC coupling system ke 100% e lumellana le marang-rang a matla, ho bonolo ho kenya le ho atolosoa habonolo. Likarolo tse tloaelehileng tsa ho kenya ka tlung lia fumaneha, esita le litsamaiso tse batlang li le kholo (2KW ho isa ho MW) li ka atolosoa habonolo 'me li ka kopanngoa le li-jenereithara tse hokahantsoeng le tse ikemetseng (liyuniti tsa diesel, li-turbine tsa moea, jj.). Boholo ba li-inverters tsa letsatsi tse ka holimo ho 3kW li na le lisebelisoa tse peli tsa MPPT, kahoo likhoele tse telele tsa liphanele li ka kenngoa ka mekhoa e fapaneng le li-angles tse sekameng. Libakeng tse phahameng tsa DC, ho kopanya AC ho bonolo, ha ho thata haholo 'me ka hona ho theko e tlaase ho kenya lisebelisoa tse kholo ho feta mekhoa e kopantsoeng ea DC e hlokang balaoli ba bangata ba MPPT.
AC coupling e loketse phetoho ea tsamaiso, 'me e sebetsa hantle haholoanyane ho sebelisa lisebelisoa tsa AC motšehare. Sistimi tse teng tsa PV tse hoketsoeng ke grid li ka fetoloa lits'ebetso tsa polokelo ea matla ka litšenyehelo tse tlase tsa matsete. E ka fa basebelisi ts'ireletso ea matla e sireletsehileng ha grid e felile. E tsamaisana le lits'ebetso tsa PV tse hoketsoeng ke grid ho tsoa ho bahlahisi ba fapaneng. Mekhoa e tsoetseng pele ea ho kopanya ea AC e atisa ho sebelisoa bakeng sa litsamaiso tse khōloanyane tsa off-grid le ho sebelisa li-inverters tsa letsatsi tse nang le likhoele tse kopantsoeng le li-inverters tse tsoetseng pele tsa mekhoa e mengata kapa li-inverter / charger ho laola libeteri le marang-rang / lijenereithara. Leha e batla e le bonolo ho e qala ebile e le matla, ha e sebetse hantle hanyane (90-94%) ha e tjhaja libeteri ha e bapisoa le lisebelisoa tsa ho kopanya tsa DC (98%). Leha ho le joalo, litsamaiso tsena li sebetsa hantle haholo ha li matlafatsa meroalo e phahameng ea AC motšehare, e fihla ho feta 97%, 'me litsamaiso tse ling li ka atolosoa ka li-inverter tse ngata tsa letsatsi ho etsa li-microgrid.
AC coupling ha e sebetse hantle ebile e theko e boima bakeng sa litsamaiso tse nyane. Matla a kenang ka har'a betri ka AC coupling e tlameha ho fetoloa habeli, 'me ha mosebelisi a qala ho sebelisa matla ao, a tlameha ho fetoloa hape, ho eketsa tahlehelo e eketsehileng ho sistimi. Ka hona, ha u sebelisa sistimi ea betri, katleho ea khokahano ea AC e theohela ho 85-90%. Li-inverters tse kopantsoeng tsa AC li theko e boima haholo bakeng sa litsamaiso tse nyane.
Sistimi ea polokelo ea matla ea ntlo ea off-grid ea photovoltaic + ka kakaretso e entsoe ka li-module tsa photovoltaic, libeteri tsa lithium, li-inverters tsa polokelo ea matla a kantle ho grid, meroalo le lijenereithara tsa dizeli. Sistimi e khona ho hlokomela ho tjhaja ka ho toba ha libeteri ka photovoltaics ka phetoho ea DC-DC, hape e ka hlokomela phetoho ea bidirectional DC-AC bakeng sa ho tjhaja le ho ntša betri. Motšehare, motlakase oa photovoltaic o qala ho fana ka mojaro, ebe o tjhaja betri; bosiu, betri e tsoa ho fana ka mojaro, 'me ha betri e sa lekana, mojaro o fanoa ke lijenereithara tsa diesel. E ka finyella tlhokahalo ea letsatsi le letsatsi ea motlakase libakeng tse se nang marang-rang a matla. E ka kopanngoa le lijenereithara tsa diesel ho nolofalletsa lijenereithara tsa diesel ho fana ka meroalo kapa ho tjhaja libeteri. Boholo ba li-inverters tsa polokelo ea matla tse kantle ho grid ha li na setifikeiti sa khokahano ea grid, mme le haeba sistimi e na le grid, e ke ke ea hokahana le grid.
Inverter ea grid e tima
Mohloli: Websaete ea molao ea Growatt, Haitong Securities Research Institute
Off-grid lapeng photovoltaic + tsamaiso ea polokelo ea matla
Mohloli: Sechaba sa GoodWe Photovoltaic, Haitong Securities Research Institute
Maemo a sebetsang bakeng sa li-inverters tsa polokelo ea matla
Li-inverters tsa polokelo ea matla li na le mesebetsi e meraro e meholo, ho kenyelletsa ho kuta litelu, phepelo ea motlakase ea bekapo le phepelo ea motlakase e ikemetseng. Ho ea ka pono ea libaka, ho kuta litelu ke tlhokahalo Europe. Ha re nka Jeremane e le mohlala, theko ea motlakase Jeremane e fihlile ho 2.3 yuan/kWh ka 2019, e behiloe pele lefatšeng. Lilemong tsa morao tjena, litheko tsa motlakase tsa Jeremane li 'nile tsa tsoela pele ho phahama. Ka 2021, theko ea motlakase ea bolulo ea Jeremane e fihlile ho 34 euro cents / kWh, ha photovoltaic / photovoltaic kabo le polokelo LCOE ke 9.3 / 14.1 euro cents / kWh, e leng 73% / 59% e tlase ho theko ea motlakase ea bolulo. Theko ea motlakase ea bolulo e tšoana le Phapang pakeng tsa kabo ea photovoltaic le litšenyehelo tsa motlakase oa polokelo li tla tsoela pele ho atoloha. Mekhoa ea ho tsamaisa photovoltaic ea malapa le ea polokelo e ka fokotsa litšenyehelo tsa motlakase, kahoo basebelisi ba libakeng tse nang le theko e phahameng ea motlakase ba na le likhothatso tse matla tsa ho kenya polokelo ea ntlo.
Litheko tsa motlakase oa bolulo linaheng tse fapaneng ka 2019
Mohloli: Lipatlisiso tsa EuPD, Setsi sa Lipatlisiso sa Securities Haitong
Boemo ba theko ea motlakase Jeremane (lisente/kWh)
Mohloli: Lipatlisiso tsa EuPD, Setsi sa Lipatlisiso sa Securities Haitong
Mmarakeng oa tlhōrō ea thepa, basebelisi ba khetha li-inverters tse nyalisitsoeng le lisebelisoa tsa 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, 'me li-inverters tse nyalisitsoeng le lisebelisoa tsa betri tse kopantsoeng le AC li sebelisa li-inverters tse se nang li-transistor tse nang le switching transistors. Li-inverters tsena tse kopaneng le tse bobebe li na le litekanyetso tse tlase tsa ho phahama le ho phahama ha matla, empa li na le litšenyehelo tse ngata, li theko e tlase ebile ho bonolo ho li etsa.
Phepelo ea bekapo ea motlakase e hlokoa ke United States le Japane, 'me phepelo ea motlakase e ikemetseng e tlhokahalong e potlakileng ea 'maraka, ho kenyeletsoa Afrika Boroa le libaka tse ling. Ho ea ka EIA, karolelano ea nako ea ho khaoha ha motlakase United States ka 2020 e feta lihora tse 8, e anngoeng haholo ke bolulo bo qhalakaneng ba baahi ba Amerika, botsofali ba likhoele tse ling tsa motlakase le likoluoa tsa tlhaho. Ts'ebeliso ea lisebelisoa tsa kabo ea photovoltaic le polokelo ea malapa e ka fokotsa ho itšetleha ka marang-rang a matla le ho eketsa ts'epo ea phepelo ea motlakase lehlakoreng la mosebelisi. Sistimi ea polokelo ea matla ea photovoltaic United States e kholoanyane ebile e na le libeteri tse ngata hobane e hloka ho boloka motlakase ho sebetsana le likoluoa tsa tlhaho. Phepelo ea motlakase e ikemetseng ke tlhoko e potlakileng ea 'maraka. Linaheng tse kang Afrika Boroa, Pakistan, Lebanon, Philippines, le Vietnam, moo ketane ea phepelo ea lefats'e e leng thata, meaho ea naha ha ea lekana ho ts'ehetsa tšebeliso ea motlakase ea batho, kahoo basebelisi ba tlameha ho hlomelloa ka lisebelisoa tsa polokelo ea matla a photovoltaic malapeng.
Nako ea ho tima ha motlakase US ho motho ka mong (lihora)
Mohloli: EIA, Haitong Securities Research Institute
Ka Phuptjane 2022, Afrika Boroa e ile ea qala tekanyo ea botšelela ea motlakase, 'me libaka tse ngata li ile tsa khaoha ka lihora tse 6 ka letsatsi.
Mohloli: Sechaba sa GoodWe Photovoltaic, Haitong Securities Research Institute
Li-inverters tsa Hybrid li na le meeli e itseng joalo ka matla a bekapo. Ha ho bapisoa le li-inverter tse inehetseng tsa off-grid, li-inverters tse nyalisitsoeng li na le mefokolo e itseng, haholo-holo ts'ebetso e lekanyelitsoeng kapa tlhahiso ea matla e phahameng haholo nakong ea ho khaoha ha motlakase. Ntle le moo, li-inverters tse ling tse nyalisitsoeng ha li na matla a ho boloka matla kapa matla a fokolang a ho boloka, ka hona, ke meroalo e menyane feela kapa e hlokahalang joalo ka mabone le li-circuits tsa motlakase tsa mantlha tse ka tšehetsoang nakong ea ho khaoha ha motlakase, 'me litsamaiso tse ngata li tla ba le tieho ea metsotsoana e 3-5 nakong ea matla. ho tima. 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 basebelisi ba 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 matla ea ts'ebetso e matla.
Hybrid inverter papiso ea matla
Mohloli: litlhahlobo tse hloekileng tsa matla, Haitong Securities Research Institute
DC e kopantsoeng le hybrid inverter
Hona joale, mekhoa e mengata ea ho boloka matla a photovoltaic indastering e sebelisa ho kopanya ha DC ho finyella moralo o kopanetsoeng oa photovoltaic le polokelo ea matla, haholo-holo tsamaisong e ncha, moo li-inverters tse nyalisitsoeng li leng bonolo ho li kenya le ho theko e tlaase. Ha o eketsa tsamaiso e ncha, ho sebelisa photovoltaic le ho boloka matla a hybrid inverter ho ka fokotsa litšenyehelo tsa thepa le litšenyehelo tsa ho kenya, hobane inverter e le 'ngoe e ka finyella taolo e kopanetsoeng le inverter. Motlakase le switching switch ka har'a sistimi ea coupling ea DC e theko e tlase ho feta grid-connected inverter le khabinete ea kabo ka har'a sistimi ea coupling ea AC, kahoo tharollo ea ho kopanya ea DC e theko e tlase ho feta tharollo ea AC coupling. Sistimi ea coupling ea DC, molaoli, betri le inverter li na le serial, khokahano e batla e le thata, 'me ho fetoha habonolo hoa fokola. Bakeng sa litsamaiso tse ncha tse kentsoeng, li-photovoltaics, libeteri le li-inverters li entsoe ho latela boima ba mosebelisi le tšebeliso ea matla, kahoo li loketse haholoanyane bakeng sa li-inverters tse kopaneng tsa DC.
Lihlahisoa tsa DC-coupled hybrid inverter ke tsona tse tloaelehileng, 'me bahlahisi ba ka sehloohong ba malapeng ba li sebelisitse. Ntle le AP Energy, bahlahisi ba ka sehloohong ba li-inverter tsa malapeng ba kentse li-inverter tse nyalisitsoeng, har'a tsonaSineng Electric, GoodWe, le Jinlongba boetse ba kentse li-inverters tse kopantsoeng tsa AC, 'me foromo ea sehlahisoa e felile. Inverter e nyalisitsoeng ea Deye e tšehetsa khokahanyo ea AC motheong oa khokahanyo ea DC, e fanang ka boiketlo ba ho kenya bakeng sa litlhoko tsa phetoho ea setoko sa basebelisi.Sungrow, Huawei, Sineng Electric, le GoodWeba kentse libeteri tsa polokelo ea matla, 'me ho kopanya motlakase oa betri e ka fetoha mokhoa nakong e tlang.
Sebopeho sa bahlahisi ba ka sehloohong ba li-inverter tsa malapeng
Mohloli: Liwebsaete tsa molao tsa lik'hamphani tse fapaneng, Haitong Securities Research Institute
Lihlahisoa tse phahameng tsa mekhahlelo e meraro li tsepamisitse maikutlo ho lik'hamphani tsohle, 'me Deye e shebane le' maraka oa lihlahisoa tse tlaase. Hajoale, lihlahisoa tse ngata tsa hybrid inverter li ka har'a 10KW, lihlahisoa tse ka tlase ho 6KW hangata ke lihlahisoa tse tlase-mohato o le mong, 'me lihlahisoa tsa 5-10KW hangata ke lihlahisoa tsa methati e meraro. Deye e hlahisitse lihlahisoa tse fapaneng tsa matla a tlaase a matla a tlaase, 'me sehlahisoa se tlaase sa 15KW se qalileng selemong sena se qalile ho rekisoa.
Bahlahisi ba li-inverter ba malapeng ba li-inverter tse nyalisitsoeng
Bokhoni bo phahameng ba ho fetolela lihlahisoa tse ncha ho tsoa ho bahlahisi ba li-inverter ba malapeng bo fihlile ho hoo e ka bang 98%, 'me nako ea ho fetola marang-rang le ea off-grid hangata e ka tlase ho 20ms. Bokhoni bo phahameng ba ho fetolelaea Jinlong, Sungrow, le Huaweilihlahisoa e fihlile 98,4%, leGoodWee boetse e fihlile ho 98.2%. Bokhoni bo phahameng ba ho fetola Homai le Deye bo tlase hanyenyane ho feta 98%, empa nako ea Deye ea on-grid le off-grid ke 4ms feela, e tlaase haholo ho feta 10-20ms ea lithaka tsa eona.
Papiso ea katleho e kholo ea phetoho ea li-inverter tse nyalisitsoeng tse tsoang lik'hamphaning tse fapaneng
Mohloli: Liwebsaete tsa molao tsa k'hamphani e 'ngoe le e' ngoe, Haitong Securities Research Institute
Papiso ea nako ea ho fetoha ea li-inverters tse nyalisitsoeng tsa lik'hamphani tse fapaneng (ms)
Mohloli: Liwebsaete tsa molao tsa k'hamphani e 'ngoe le e' ngoe, Haitong Securities Research Institute
Lihlahisoa tse ka sehloohong tsa baetsi ba li-inverter tsa malapeng li lebisitsoe haholo mebarakeng e meraro e meholo ea Europe, United States le Australia. 'Marakeng oa Europe, limmaraka tsa setso tsa photovoltaic tse kang Jeremane, Austria, Switzerland, Sweden le Netherlands ke limmaraka tse nang le mekhahlelo e meraro, tse ratang lihlahisoa tse nang le matla a phahameng. Baetsi ba setso ba nang le melemo ke Sunshine le Goodwe. Ginlang e potlakisa ho ts'oara, ho itšetleha ka Theko ea theko le ho hlahisoa ha lihlahisoa tse matla a holimo ho 15KW li ratoa ke basebelisi. Linaha tsa Europe Boroa tse kang Italy le Spain haholo-holo li hloka lihlahisoa tse tlase tsa mokhahlelo o le mong.Goodwe, Ginlang le Shouhange sebelitse hantle Italy selemong se fetileng, e 'ngoe le e 'ngoe e nka karolo ea 30% ea 'maraka. Linaha tsa Europe Bochabela tse kang Czech Republic, Poland, Romania le Lithuania haholo-holo li batla lihlahisoa tsa mekhahlelo e meraro, empa kamohelo ea tsona ea theko e tlaase. Ka hona, Shouhang o sebelitse hantle 'marakeng ona ka phaello ea theko e tlase. Karolong ea bobeli ea selemo sena, Deye o ile a qala ho romela lihlahisoa tse ncha tsa 15KW United States. United States e na le litsamaiso tse kholoanyane tsa polokelo ea matla 'me e rata lihlahisoa tse phahameng tsa matla.
Lihlahisoa tsa li-inverter tse nyalisitsoeng tsa bahlahisi ba malapeng li shebile 'marakeng
Mohloli: Liwebsaete tsa molao tsa k'hamphani e 'ngoe le e' ngoe, Haitong Securities Research Institute
Mofuta o arohaneng oa betri o tumme haholo har'a li-installer, empa inverter ea betri e le 'ngoe ke mokhoa oa tsoelo-pele oa nakong e tlang. Li-inverters tse nyalisitsoeng tsa solar-storage li arotsoe ka li-inverter tse nyalisitsoeng tse rekisoang ka thoko le lits'ebetso tsa polokelo ea matla a betri (BESS) tse rekisang li-inverters le libeteri hammoho. Hona joale, ka barekisi ba laolang likanale, bareki ba tobileng ba tsepamisitsoe maikutlo, 'me lihlahisoa tse nang le libeteri tse arohaneng le li-inverters li tumme haholo, haholo-holo ka ntle ho Jeremane, hobane li bonolo ho kenya le ho atolosa,' me li ka fokotsa litšenyehelo tsa ho reka. , haeba mofani a le mong a sa khone ho fana ka libeteri kapa li-inverters, u ka fumana mofani oa bobeli, 'me ho fana ka thepa ho tla tiisetsoa haholoanyane. Mokhoa oa Jeremane, United States, le Japane ke mechine e kopanyang lintho ka bonngoe. Mochini o mong ka o mong o ka boloka mathata a mangata ka mor'a thekiso, 'me ho na le lintlha tsa setifikeiti. Mohlala, setifikeiti sa sistimi ea mollo United States se hloka ho hokahana le inverter. Mokhoa oa morao-rao oa theknoloji o lebisitsoe ho mechine eohle, empa ho ea ka thekiso ea 'maraka, mofuta oa ho arohana o amoheloa haholo ke ba kenyang.
Bahlahisi ba bangata ba malapeng ba se ba qalile ho sebelisa mechine e kopantsoeng ea betri-inverter. Baetsi ba kangShohang Xinengng, Growatt, le Kehuabohle ba khethile mohlala ona. Thekiso ea betri ea polokelo ea matla ea Shougang Xinneng ka 2021 e fihlile ho li-pcs tse 35,100, keketseho ea makhetlo a 25 ha e bapisoa le lilemo tse 20; Polokelo ea matla ea Growatt ka thekiso ea Battery ea 2021 e ne e le li-sets tse 53,000, keketseho e imenneng hahlano ho tloha lilemong tse 20 tse fetileng. Boleng bo botle ba li-inverters tsa polokelo ea matla tsa Airo bo tsamaisitse kholo e tsoelang pele ea thekiso ea betri. Ka 2021, thomello ea betri ea Airo e ne e le 196.99MWh, ka lekeno la li-yuan tse limilione tse 383, e fetang habeli lekhetho la li-inverters tsa polokelo ea matla. Bareki ba na le kananelo e phahameng ea baetsi ba li-inverter ba etsang libeteri hobane ba na le kamano e ntle ea tšebelisano 'moho le baetsi ba li-inverter mme ba tšepa lihlahisoa.
Tekanyo ea Lekeno la Battery e Ncha ea Shouhang e Eketseha ka Potlako
rce: EIA, Haitong Securities Research Institute
Chelete ea betri ea polokelo ea matla ea Airo e tla ikarabella bakeng sa 46% ka 2021
Mohloli: Sechaba sa GoodWe Photovoltaic, Haitong Securities Research Institute
Lits'ebetsong tse kopantsoeng tsa DC, lits'ebetso tsa betri tsa motlakase o phahameng li sebetsa hantle, empa li theko e phahameng haholo haeba ho na le khaello ea betri e phahameng. Ha ho bapisoa le lisebelisoa tsa betri tsa 48V, libeteri tse phahameng tsa motlakase li na le mefuta e mengata ea ho sebetsa ea 200-500V DC, tahlehelo e tlaase ea cable le ts'ebetso e phahameng, hobane lisebelisoa tsa letsatsi hangata li sebetsa ho 300-600V, tse tšoanang le matla a betri, le tahlehelo e tlaase haholo le bokhoni bo phahameng. Li-converter tsa DC-DC li ka sebelisoa. Lits'ebetso tsa betri tse phahameng tsa motlakase li na le litheko tse phahameng tsa betri le litheko tse tlase tsa inverter ho feta lits'ebetso tse tlase tsa voltage. Hona joale, libeteri tse phahameng tsa motlakase li hlokoa haholo ebile ha li na phepelo e lekaneng, kahoo ho thata ho reka libeteri tsa motlakase o phahameng. Haeba ho na le khaello ea betri e phahameng, ho theko e tlase ho sebelisa sistimi ea betri ea voltage e tlase.
DC e kopanya pakeng tsa mahlaseli a letsatsi le inverter
Mohloli: litlhahlobo tse hloekileng tsa matla, Haitong Securities Research Institute
Khokahano e tobileng ea DC ho li-inverters tse nyalisitsoeng tse lumellanang
rce: litlhahlobo tse hloekileng tsa matla, Haitong Securities Research Institute
Li-inverters tsa Hybrid tse tsoang ho bahlahisi ba ka sehloohong ba malapeng li loketse lits'ebetso tsa off-grid hobane matla a bona a bekapo nakong ea ho tima ha motlakase ha a na moeli. Matla a bekapo a phepelo ea matla a lihlahisoa tse ling a tlase hanyane ho feta mofuta o tloaelehileng oa matla, empamatla a ho boloka matla a lihlahisoa tse ncha tsa Goodwe, Jinlang, Sungrow, le Hemai a tšoana le boleng bo tloaelehileng., ke hore, matla ha a fokotsehe ho feta ha a ntse a matha-grid, kahoo li-inverter tsa polokelo ea matla tsa bahlahisi ba malapeng li loketse lisebelisoa tsa off-grid.
Papiso ea matla a phepelo ea motlakase ea lihlahisoa tsa hybrid inverter tse tsoang ho baetsi ba li-inverter tsa lapeng
Mehloli ea lintlha: Liwebsaete tse molaong tsa k'hamphani ka 'ngoe, Setsi sa Lipatlisiso sa Securities sa Haitong
AC e kopantsoeng le inverter
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 li-wiring tse rarahaneng le moralo o sa hlokahaleng oa module ha o fetola tsamaiso e teng ea marang-rang; ea bobeli, ho lieha ho fetoha pakeng tsa marang-rang a marang-rang le a off-grid ke nako e telele, eo ho leng thata hore basebelisi ba e sebelise. Boiphihlelo ba motlakase bo fokola; ea boraro, mesebetsi e bohlale ea ho laola ha e feletse ka ho lekaneng 'me karabo ea taolo ha e fihle ka nako e lekaneng, e leng ho etsang hore ho be thata ho kenya ts'ebetsong likopo tsa microgrid bakeng sa phepelo ea matla a ntlo eohle. Ka hona, lik'hamphani tse ling li khethile tsela ea theknoloji ea AC coupling, joalo ka Yuneng.
Sistimi ea ho kopanya ea AC e nolofalletsa ho kenya sehlahisoa. Yuneng o lemoha matla a matla a litsela tse peli ka ho kopanya lehlakore la AC le tsamaiso ea photovoltaic, ho felisa tlhokahalo ea ho fumana bese ea photovoltaic DC, ho etsa hore ho be bonolo ho kenya lihlahisoa; e hlokomela ho kopanngoa ha off-grid ka ho kopanya software ea nako ea sebele ea taolo le ntlafatso ea moralo oa hardware phetoho ea boemo ba Millisecond; ka taolo ea tlhahiso ea mochini oa polokelo ea matla le moralo o mocha o kopaneng oa phepelo ea motlakase le sistimi ea kabo, ts'ebeliso ea microgrid ea phepelo ea motlakase ea ntlo eohle tlas'a taolo ea lebokose la taolo ea othomathike ea phethahala.
Bokhoni bo phahameng ba ho fetolela lihlahisoa tsa AC-coupled bo tlase hanyane ho feta ba li-inverters tse nyalisitsoeng. Jinlong le GoodWe ba boetse ba kentse lihlahisoa tse kopantsoeng le AC, haholo-holo tse tobane le 'maraka oa phetoho ea thepa. Bokhoni bo phahameng ba phetoho ea lihlahisoa tse kopantsoeng ke AC ke 94-97%, e leng tlase hanyenyane ho feta ea li-inverters tse nyalisitsoeng. Sena se bakoa haholo ke hore likarolo li tlameha ho fetoloa tse peli pele li ka bolokoa ka betri ka mor'a ho hlahisa motlakase, e leng ho fokotsang katleho ea ho fetola.
Papiso ea lihlahisoa tse kopantsoeng le AC tse tsoang ho baetsi ba li-inverter tsa malapeng
Mohloli: Liwebsaete tsa molao tsa lik'hamphani tse fapaneng, Haitong Securities Research Institute
Nako ea poso: May-20-2024
