Ka lebaka la mefuta-futa ea mehaho, ka mokhoa o sa tsitsang e tla lebisa mefuteng e sa tšoaneng ea lisebelisoa tsa mahlaseli a letsatsi.E le ho eketsa katleho ea phetoho ea matla a letsatsi ha ho ntse ho nahanoa ka ponahalo e ntle ea mohaho, sena se hloka mefuta e fapaneng ea li-inverters tsa rona ho finyella tsela e molemo ka ho fetisisa ea matla a letsatsi.Phetoho.Mekhoa e atileng ka ho fetesisa ea li-solar inverter lefatšeng ke: li-inverter tse bohareng, li-inverters tsa likhoele, li-inverter tse nang le likhoele tse ngata le li-component inverters.Joale re tla sekaseka ts'ebeliso ea li-inverters tse 'maloa.
Li-inverters tse bohareng li sebelisoa hangata lits'ebetsong tse nang le liteishene tse kholo tsa motlakase oa photovoltaic (》10kW).Likhoele tse ngata tse tšoanang tsa photovoltaic li hokahane le kenyelletso ea DC ea inverter e tšoanang e bohareng.Ka kakaretso, li-module tsa motlakase tsa IGBT tsa mekhahlelo e meraro li sebelisoa bakeng sa matla a phahameng.Matla a tlase a sebelisa li-transistors tse sebetsang tšimong le taolo ea phetoho ea DSP ho ntlafatsa boleng ba matla a motlakase a hlahisoang, e leng se etsang hore e be haufi haholo le sine wave current.Ntho e kholo ka ho fetisisa ke matla a phahameng le theko e tlaase ea tsamaiso.Leha ho le joalo, e angoa ke ho ts'oaroa ha likhoele tsa photovoltaic le moriti o sa fellang, e leng se fellang ka katleho le matla a matla a tsamaiso eohle ea photovoltaic.Ka nako e ts'oanang, ts'episo ea matla a matla a tsamaiso eohle ea photovoltaic e angoa ke boemo bo bobe ba ho sebetsa ba sehlopha sa photovoltaic unit.Tataiso ea morao-rao ea lipatlisiso ke tšebeliso ea taolo ea modulation ea vector ea sebaka le nts'etsopele ea likhokahano tse ncha tsa inverter topology ho fumana ts'ebetso e phahameng tlasa maemo a sa fellang.
Ho SolarMax centralized inverter, o ka hokela lebokose la segokanyimmediamentsi sa photovoltaic ho lekola khoele e 'ngoe le e 'ngoe ea photovoltaic windsurfing.Haeba e 'ngoe ea likhoele e sa sebetse hantle, tsamaiso e tla fetisetsa boitsebiso bona ho molaoli oa hole Ka nako e ts'oanang, khoele ena e ka emisoa ke taolo e hōle, e le hore ho hlōleha ha khoele ea likhoele tsa photovoltaic ho ke ke ha fokotsa le ho ama mosebetsi le tlhahiso ea matla ea tsamaiso eohle ea photovoltaic.
Li-inverters tsa likhoele li fetohile li-inverter tse tsebahalang haholo 'marakeng oa machabeng.Inverter ea likhoele e thehiloe mohopolong oa modular.Khoele e 'ngoe le e' ngoe ea photovoltaic (1kW-5kW) e feta ka inverter, e na le palo e phahameng ea ho latela tlhōrō ea matla qetellong ea DC, 'me e hokahane ka tsela e tšoanang qetellong ea AC.Limela tse ngata tse kholo tsa matla a photovoltaic li sebelisa li-inverters tsa likhoele.Molemo ke hore ha o amehe ke liphapang tsa module le meriti pakeng tsa likhoele, 'me ka nako e ts'oanang e fokotsa sebaka se nepahetseng sa ho sebetsa sa photovoltaic modules.
Ha e lumellane le inverter, kahoo e eketsa palo ea tlhahiso ea matla.Melemo ena ea tekheniki ha e fokotse litšenyehelo tsa sistimi feela, empa hape e eketsa ts'epahalo ea sistimi.Ka nako e ts'oanang, khopolo ea "master-lekhoba" e hlahisoa pakeng tsa likhoele, e le hore ha khoele e le 'ngoe ea matla a motlakase e sitoa ho etsa mochine o le mong oa motlakase tsamaisong, lihlopha tse' maloa tsa likhoele tsa photovoltaic li kopantsoe hammoho, 'me e le' ngoe kapa tse 'maloa tsa tsona li ka sebetsa., E le ho hlahisa motlakase o mongata.Khopolo ea morao-rao ke hore li-inverters tse 'maloa li theha "sehlopha" ho nkela sebaka sa "master-slave" mohopolo, e leng se etsang hore ho tšepahala ha tsamaiso ho tsoele pele.Hajoale, li-inverters tse se nang mohala li etelletse pele.
Multi-string inverter e nka melemo ea centralized inverter le string inverter, e qoba mefokolo ea eona, 'me e ka sebelisoa ho liteishene tsa matla a photovoltaic tsa li-kilowatts tse' maloa.Ka har'a inverter e nang le likhoele tse ngata, ho kenyelelitsoe ho lateloa ha tlhoro ea matla a motho ka mong le li-converter tsa DC-to-DC.Li-DC tsena li fetoloa matla a AC ka mochine o tloaelehileng oa motlakase oa DC-to-AC 'me o hokahane le marang-rang.Maemo a fapaneng a lekantsoeng a likhoele tsa photovoltaic (joalo ka: matla a fapaneng a lekantsoeng, palo e fapaneng ea likarolo moleng o mong le o mong, bahlahisi ba fapaneng ba likarolo, joalo-joalo), li-module tsa photovoltaic tsa boholo bo fapaneng kapa mahlale a fapaneng, le likhoele tsa litsela tse fapaneng (joalo ka : Bochabela, Boroa le Bophirima), li-angles tse fapaneng tsa tšekamelo kapa liriti, li ka kopanngoa le inverter e tloaelehileng, 'me khoele e' ngoe le e 'ngoe e sebetsa tlhōrōng ea bona e phahameng ea matla.
Ka nako e ts'oanang, bolelele ba mohala oa DC bo fokotsehile, phello ea moriti pakeng tsa likhoele le tahlehelo e bakoang ke phapang pakeng tsa likhoele e fokotsehile.
Inverter ea motsoako ke ho hokahanya karolo e 'ngoe le e' ngoe ea photovoltaic ho inverter, 'me karolo e' ngoe le e 'ngoe e na le palo e fapaneng ea ho latela tlhōrō ea matla, e le hore karolo le inverter li tsamaisane hantle.Hangata e sebelisoa ho 50W ho 400W limela tsa matla a photovoltaic, katleho e feletseng e tlase ho feta li-inverters tsa likhoele.Kaha e hokahane ka tsela e tšoanang ho AC, sena se eketsa ho rarahana ha lithapo ka lehlakoreng la AC mme ho thata ho li boloka.Taba e 'ngoe e lokelang ho rarolloa ke mokhoa oa ho hokahanya marang-rang ka katleho.Tsela e bonolo ke ho hokahanya ka ho toba le marang-rang ka sesebelisoa se tloaelehileng sa AC, se ka fokotsang litšenyehelo le ho kenya lisebelisoa, empa hangata litekanyetso tsa tšireletso tsa marang-rang li ka 'na tsa se ke tsa li lumella.Ka ho etsa joalo, k'hamphani ea motlakase e ka hanana le hore sesebelisoa sa ho fehla motlakase se hokahane ka kotloloho le li-sockets tse tloaelehileng tsa basebelisi ba tloaelehileng ba malapa.Ntho e 'ngoe e amanang le tšireletseho ke hore na mochine oa ho itšehla thajana (maqhubu a phahameng kapa a tlaase) oa hlokahala, kapa mochine o se nang motlakase o lumelloa.Senamochini o kenya letsohoe sebelisoa haholo marakong a likharetene tsa khalase.
Nako ea poso: Oct-29-2021
