Phetoho ea Matla a DC ho AC e Hlalositsoe: Tataiso ea hau ho li-inverters

Phetoho ea matla a DC ho ea ho AC e bapala karolo ea bohlokoa lits'ebetsong tsa sejoale-joale tsa matla. E koala lekhalo lipakeng tsa mehloli e tobileng ea hajoale (DC), joalo ka liphanele tsa letsatsi le libeteri, le lisebelisoa tsa hajoale (AC), tse laolang lits'ebetso tsa lapeng le tsa indasteri. Phetoho ena e netefatsa ho lumellana le marang-rang a motlakase, e nolofalletsang kabo e nepahetseng ea matla le ts'ebeliso.

Li-inverters li sebetsa e le mokokotlo oa ts'ebetso ena. Ka ho fetola DC hore e be AC, ba bula monyetla oa hotsamaiso ea matla a tsosolositsoengle litharollo tsa polokelo ea betri. Lipatlisiso tsa indasteri li totobatsa hore libaka tsa DC li ka fokotsa tahlehelo ea phetoho ho ea tlase ho 2%, ha e bapisoa le tahlehelo ea 5-10% e bonoang ho li-converter tsa boemo ba lisebelisoa. Ntlafatso ena ea ts'ebetso e totobatsa bohlokoa ba thekenoloji e tšepahalang ea li-inverter ho fihlela lipheo tsa motlakase tse tšoarellang.

Lintlha tsa bohlokoa

• Li-inverters li fetola matla a DC ho tloha liphanele tsa letsatsi ho ea ho matla a AC. Sena se etsa hore e sebelisoe bakeng sa lisebelisoa tsa lapeng tse kang TV le lihatsetsi.
• Ho khetha inverter e sebetsang hantle ho feta 95% ho boloka matla. E theola litšenyehelo tsa motlakase mme e sebetsa betere.
• Tseba hore na o hloka matla a makae. Kenya motlakase oa lisebelisoa tsa hau. Khetha inverter e nang le matla a lekaneng ho thibela ho tlala.
• Nahana ka mofuta oa tlhahiso. Li-inverters tse hloekileng tsa sine wave li molemo ka ho fetisisa bakeng sa lisebelisoa tsa elektroniki tse bobebe. Li-inverters tse fetotsoeng tsa sine li bitsa chelete e tlase empa li sebetsa ka lisebelisoa tse fokolang.
• Kenya le ho boloka li-inverters ka nepo. Sena se ba thusa ho tšoarella nako e telele le ho sebetsa hantle bakeng sa lisebelisoa tse fapaneng.

DC vs AC Matla

Ho hlalosa Direct Current (DC)

Litšobotsi tsa Direct Current

Direct current (DC) e phalla ka tsela e le 'ngoe, e sa tloaelehang. Phallo ena e tsitsitseng ea motlakase e etsa hore e be e loketseng lits'ebetso tse hlokang maemo a matla a motlakase. Ho fapana le alternating current (AC), DC ha e suthele lipakeng tsa litekanyetso tse ntle le tse mpe. Ho e-na le hoo, e boloka polarity e sa khaotseng, e nolofatsang tšebeliso ea eona lisebelisoa tse ngata tsa elektronike.

Hangata matla a DC a hlahisoa ke mehloli e kang libeteri, liphanele tsa letsatsi le lisele tsa mafura. Mehloli ena e hlahisa motlakase o phallang ka ho toba lisebelisoa tsa motlakase kapa lisebelisoa tsa polokelo ea tefiso. Bonolo ba li-circuits tsa DC bo fokotsa tahlehelo ea matla nakong ea phetisetso libakeng tse khutšoane.

Lisebelisoa tsa Direct Current

Matla a DC a bapala karolo ea bohlokoa ho theknoloji ea sejoale-joale. E matlafatsa lisebelisoa tse kang li-smartphones, lilaptop, le lisebelisoa tsa mabone a LED. Likoloi tsa motlakase (EVs) le tsona li itšetlehile ka DC bakeng sa lisebelisoa tsa bona tsa betri. Ho feta moo, DC e bohlokoa lits'ebetsong tsa matla a tsosolositsoeng, moo liphanele tsa letsatsi li hlahisang hona joale ka kotloloho pele li e fetolela ho AC bakeng sa khokahano ea grid.

Litsing tsa data, kabo ea matla a DC e ntse e eketseha. Liphuputso li bontša seoSistimi ea 380-V DC e sebetsa hantle ho feta litlhophiso tsa setso tsa AC ka katleho, haholo-holo ha e kopantsoe le mekhoa ea photovoltaic (PV). Bokhoni bona bo fokotsa litšenyehelo tsa ts'ebetso mme bo eketsa ts'epo.

Defining Alternating Current (AC)

Litšobotsi tsa ho Alternating Current

Alternating current (AC) e fetola tsela ea eona nako le nako. Oscillation ena e etsahala ka lebelo le itseng, hangata 50 kapa 60 Hz, ho latela sebaka. Matla a matla a tsamaiso ea AC a fapanyetsana pakeng tsa boleng bo botle le bo bobe, ho theha sinusoidal waveform.

Bokhoni ba AC ba ho fetola maemo a motlakase ka li-transformer bo etsa hore e be e loketseng phetiso ea sebaka se selelele. High-voltage AC e fokotsa tahlehelo ea matla nakong ea phetisetso, e netefatsa hore ho tsamaisoa hantle malapeng le likhoebong.

Lisebelisoa tsa Alternating Current

AC e matlafatsa lisebelisoa tse ngata tsa ka tlung, ho kenyeletsoa lihatsetsi, li-air conditioner, le lithelevishene. Ke tekanyetso ea li-grid tsa motlakase lefatšeng ka bophara ka lebaka la ts'ebetso ea eona ea phetiso le kabo.

Mechini ea indasteri le litsamaiso tse kholo le tsona li itšetlehile ka AC. Ho lumellana ha eona le li-transformer ho lumella liindasteri ho sebelisa lisebelisoa ka maemo a fapaneng a motlakase. Ho feto-fetoha hona ho etsa hore AC e be ea bohlokoa haholo libakeng tsa bolulo le tsa khoebo.

Phapang ea Sehloho lipakeng tsa DC le AC

Phallo ea Voltage le Hona Joale

Phapang ea mantlha e mabapi le hore na motlakase o phalla joang. DC e boloka phallo e tsitsitseng ka lehlakoreng le le leng, ha AC e fetola tsela ea eona nako le nako. Phapang ena e ama ts'ebeliso ea bona le katleho.

Mohlala, DC e sebetsa hantle haholo bakeng sa ho matlafatsa lisebelisoa tsa sejoale-joale joalo ka li-smartphones le lilaptop. Lisebelisoa tsena hangata li hloka DC ka hare, leha li fumana AC ho tsoa ho grid. Ka lehlakoreng le leng, tlhaho ea AC e oscillating e etsa hore e tšoanelehe bakeng sa ho fetisa motlakase libakeng tse telele.

Lisebelisoa tsa Theknoloji

DC le AC li fana ka litlhoko tse fapaneng tsa theknoloji. DC e loketse lisebelisoa tsa matla a tsosolositsoeng, likoloi tsa motlakase le litsi tsa data.Hoo e ka bang 74% ea meroalo ea motlakase malapeng e hloka matla a DC, ho kenyeletsoa lisistimi tsa HVAC le tjhaja tsa EV. Ho lumellana ha eona le lisebelisoa tsa dijithale le melemo ea polokeho ho etsa hore e be khetho e ratoang bakeng sa lits'ebetso tsa sejoale-joale.

Leha ho le joalo, AC e laola mekhoa ea khale ea matla. E matlafatsa lisebelisoa tsa ntlo, lisebelisoa tsa indasteri le marang-rang a motlakase. Bokhoni ba ho nyolla kapa ho theola maemo a motlakase ho sebelisa li-transformer ho netefatsa bohlokoa ba eona bo tsoelang pele phepelong ea matla.

Tlhokomeliso: Le ha AC le DC ka bobeli li na le maemo a ts'oanang a ts'ebetso maemong a mang, ho fokotsa mekhahlelo ea phetolo ea motlakase ho ka ntlafatsa ts'ebetso ea DC. Mohlala, kabo ea DC litsing tsa data e fokotsa tahlehelo ea matla le litšenyehelo tsa ts'ebetso ha li bapisoa le lits'ebetso tsa AC.

Bohlokoa ba DC ho Matla a AC

Tšusumetso Bophelong ba Letsatsi le Letsatsi

Phetoho ea matla a DC ho ea ho AC e fetotse tsela eo re sebelisanang ka eona le matla bophelong ba rona ba letsatsi le letsatsi. Lisebelisoa tse ngata tsa ka tlung, ho tloha ka lihatsetsing ho ea ho lithelevishene, li itšetlehile ka alternating current (AC) hore li sebetse. Leha ho le joalo, mehloli e mengata ea matla, e kang lisebelisoa tsa letsatsi le libeteri, li hlahisa motlakase o tobileng (DC). Li-inverters li koala lekhalo lena, li etsa bonnete ba hore matla a DC a ka matlafatsa lisebelisoa tsa AC ntle le moroallo.

Nka mohlala oa litsamaiso tsa matla a ka nchafatsoang. Liphanele tsa letsatsi li hlahisa motlakase oa DC, empa matlo le likhoebo li hloka AC bakeng sa mabone a tsona, ho futhumatsa le ho pholisa. Li-inverters li fetolela DC ena hore e be AC ​​e ka sebelisoang, e nolofalletsang beng ba matlo ho sebelisa matla a hloekileng ntle le ho senya boiketlo.

Litsamaiso tsa matla a bekapo li boetse li totobatsa bohlokoa ba phetoho ea DC ho AC. Nakong ea ho tima, libeteri li boloka motlakase oa DC, oo li-inverters li o fetolelang ho AC ho boloka lisebelisoa tsa bohlokoa li sebetsa. Bokhoni bona bo netefatsa phihlello e sa sitisoeng ea lisebelisoa tsa bohlokoa, joalo ka lisebelisoa tsa bongaka le lisebelisoa tsa puisano.

Keletso: Ha u khetha inverter bakeng sa tšebeliso ea ntlo, nahana ka litlhoko tsa matla tsa lisebelisoa tsa hau. Ho jarisa inverter ho ka lebisa ho se sebetseng kapa ho senyeha.

Tšusumetso ho Elektronike ea Kajeno

Lisebelisoa tsa morao-rao tsa elektroniki li itšetlehile haholo ka matla a DC ho ea ho AC. Lisebelisoa tse kang lilaptop, li-smartphone, le li-consoles tsa lipapali hangata li hloka DC kahare, leha li fumana AC ho tsoa maboteng. Li-inverters li bapala karolo ea bohlokoa ho fetoleng mehloli ea matla ho fihlela litlhoko tsa lisebelisoa tsena.

Likoloi tsa motlakase (EVs) li fana ka mohlala o mong o matla. Li-EV li boloka matla ka libeteri tsa DC, empa liteishene tsa ho tjhaja le lisebelisoa tsa onboard hangata li hloka AC. Li-inverters li netefatsa ho lumellana pakeng tsa likarolo tsena, ho nolofalletsa phetisetso e nepahetseng ea matla le ts'ebetso ea koloi.

Litsi tsa data li boetse li rua molemo ho DC ho fetola matla a AC. Lisebelisoa tsena li fana ka lisebelisoa le lisebelisoa tse itšetlehileng ka matla a DC bakeng sa katleho. Leha ho le joalo, ho kopanya le marang-rang ho hloka hore AC e lumellane. Sistimi e tsoetseng pele ea li-inverter e laola phetoho ena, e ntlafatsa ts'ebeliso ea matla ha e ntse e boloka ts'epahalo.

Tlhokomeliso: Lintlafatso tsa theknoloji ea inverter, tse kang pure sine wave output, li ntlafalitse ho sebelisana le lisebelisoa tsa elektroniki tse bobebe. Khatelo-pele ena e fokotsa kotsi ea tšenyo le ho ntlafatsa ts'ebetso.

Hobaneng ha DC ho ea ho AC Power Conversion e le Bohlokoa

Ho Matlafatsa Lisebelisoa tsa Malapa

Lisebelisoa tsa lapeng li itšetlehile ka alternating current (AC) bakeng sa tšebetso, empa mehloli e mengata ea matla, joalo kadibetrile lisebelisoa tsa letsatsi, li hlahisa motlakase o tobileng (DC). Li-inverters li bapala karolo ea bohlokoa ho fetoleleng DC ho AC, ho netefatsa hore e tsamaellana le lisebelisoa tsena. Ntle le phetoho ena, lisebelisoa tse kang lihatsetsi, metjhini e hlatsoang liaparo le lithelevishene li ne li tla lula li sa sebelisoe ka lisebelisoa tsa matla tse nchafalitsoeng kapa litharollo tsa matla a polokelo.

Matla a matla ke ntlha e 'ngoe ea bohlokoa. Mokhoa oa ho fetolela DC ho AC o ka baka tšenyo ea matla, hangata e tloha ho 5% ho isa ho 20%. Tahlehelo ena e totobatsa bohlokoa ba ho khetha li-inverters tsa boleng bo holimo ho fokotsa ho se sebetse hantle. Ka ho ntlafatsa lits'ebetso tsa phetolo, malapa a ka fokotsa litšila tsa motlakase le ho theola litefiso tsa motlakase.

Keletso: Ha u khetha inverter bakeng sa tšebeliso ea lapeng, etelletsa pele mefuta e nang le lintlha tse sebetsang hantle ho eketsa poloko ea matla.

Ho lumellana le Li-grids tsa Motlakase

Li-grid tsa motlakase li sebetsa ka matla a AC feela, ho etsa hore phetoho ea DC ho ea ho AC e be ea bohlokoa bakeng sa ho kopanya mehloli ea matla e ajoang. Li-inverters li sebetsa e le sehokelo lipakeng tsa mehloli ea DC, joalo ka liphanele tsa letsatsi kapa lisebelisoa tsa polokelo ea betri, le grid ea AC. Khokahano ena e netefatsa phetisetso e bonolo ea matla le ho ts'ehetsa botsitso ba grid.

Theknoloji e tsoetseng pele ea li-inverter e ntlafatsa ts'ebetso ea grid. Li-converter tsa bididirectional AC/DC li laola maemo a motlakase le ho ntlafatsa phano ea motlakase. Litsamaiso tsena li boetse li thusa ho boloka matla nakong ea lihora tse sa sebetseng le ho tsoa nakong ea tlhokeho e phahameng, ho leka-lekanya phepelo le tlhoko ka nepo.

Tšebelisano ea grid ke ea bohlokoa ka ho khetheha ho beng ba matlo ba sebelisang matla a letsatsi. Ka ho fetola DC ho tloha liphanele tsa photovoltaic ho ea ho AC, li-inverters li lumella matla a mangata hore a khutlisetsoe ka har'a grid, ho fumana likoloto ka mananeo a marang-rang a metering.

Karolo ho Litsamaiso tsa Matla a Tsosolositsoeng

Sistimi ea matla a ka nchafatsoang e itšetlehile haholo ka phetoho ea matla a DC ho ea ho AC. Liphanele tsa letsatsi li hlahisa motlakase oa DC, o tlamehang ho fetoleloa ho AC bakeng sa ho sebelisoa malapeng, likhoebong le marang-rang. Li-inverters tse nang le theknoloji e phahameng ea ho latela lintlha tsa matla (MPPT) li ntlafatsa phetoho ena, li netefatsa tšebeliso e nepahetseng ea matla.

Liqapi tse ncha, tse kang Global Maximum Power Point Tracking (GMPPT), li ntlafatsa le ho feta ho ntša matla ho tloha tsamaisong ea photovoltaic. Dikgatelopele tsena di ntlafatsa bokgoni ba ho kopanya eneji e ka ntjhafatswang, ho etsa hore eneji e hlwekileng e fihlellehe le ho tshepeha.

Li-converter tse pelihape e bapala karolo ea bohlokoa lits'ebetsong tse nchafalitsoeng. Ba laola phallo ea matla nakong ea ho tjhaja le ho lahla, ho nolofalletsa ts'ebetso e se nang moeli ea lits'ebetso tsa polokelo ea betri. Bokhoni bona bo tšehetsa phetoho ea matla a tsitsitseng ka ho eketsa tšebeliso ea matla a letsatsi le a moea.

Tlhokomeliso: Li-inverters tsa boleng bo phahameng tse nang le theknoloji ea MPPT li ka ntlafatsa haholo ts'ebetso ea lisebelisoa tsa matla a tsosolositsoeng, ho fokotsa tahlehelo ea matla le ho eketsa katleho ka kakaretso.

Karolo ea Inverter: Mokhoa oa ho fetolela DC ho AC ho Sebetsa joang

Li-inverters li sebetsa joang

Li-inverters ke pelo ea DC ho fetola matla a AC. Ba nka hona joale (DC) ho tsoa mehloling e kang liphanele tsa letsatsi kapa libeteri ebe ba e fetola hore e be alternating current (AC) e loketseng ho fepela lisebelisoa tsa ka tlung kapa ho fepela marang-rang a motlakase. Phetoho ena e kenyelletsa potoloho e tsoetseng pele ea elektroniki le mekhoa ea taolo ho netefatsa ts'ebetso le ts'epahalo.

Li-inverters tsa morao-rao li itšetlehile ka li-switch tsa semiconductor, tse kang insulated-gate bipolar transistors (IGBTs) kapa metal-oxide-semiconductor field-effect transistors (MOSFETs), ho laola phallo ea motlakase. Li-switch tsena li sebetsa ka maqhubu a phahameng, li nolofalletsa taolo e nepahetseng holim'a sebopeho sa wave wave. Sistimi ea taolo ea inverter e sebelisa li-algorithms ho hlahisa mats'oao a ho fetoha, ho netefatsa hore tlhahiso e tsamaellana le matla le maqhubu a AC a lakatsehang.

Metrics ea bohlokoa ea ts'ebetso e totobatsa ho ts'epahala ha li-inverters ho fetolela DC ho matla a AC:

• Kamano e teng lipakeng tsa matla a AC le DC e lula e batla e tšoana ka tlas'a maemo a fapaneng, leha lintho tse nyane tseo e seng li-linearities li hlaha ka lebaka la ho itšebetsa le litšobotsi tsa potoloho.
• Bokhoni bo nepahetseng, bo baloang joalo ka karo-karolelano ea matla a AC ho matla a DC, bo ipapisitse le matla a kenang le maemo a tikoloho joalo ka mahlaseli a letsatsi.
• Theknoloji ea Maximum-power-point-tracking (MPPT) ka li-inverters tsa morao-rao e finyella litekanyetso tsa katleho ea98% ho isa ho hoo e ka bang 100%, ho netefatsa tšebeliso e nepahetseng ea matla.

Tlhokomeliso: Ha u khetha inverter, kamehla hlahloba lintlha tsa moetsi, ho kenyeletsoa ts'ebetso, motlakase oa AC, maqhubu le litekanyetso tse phahameng tsa matla. Lintlha tsena li netefatsa hore li lumellana le tsamaiso ea hau ea matla.

Output Waveforms: Pure Sine Wave vs Modified Sine Wave

Boleng ba waveform ea tlhahiso ea inverter e ama haholo ts'ebetso ea eona le ho tsamaellana le lisebelisoa tse hokahaneng. Li-inverters hangata li hlahisa mofuta o le mong oa mefuta e 'meli ea maqhubu: e hloekileng sine wave kapa modified sine wave.

Li-inverters tse hloekileng tsa sine wave li hlahisa sebopeho sa maqhubu a boreleli, se tsoelang pele se etsisang matla a AC a fanoang ke grid. Sena se etsa hore e be tse loketseng bakeng sa lisebelisoa tsa elektronike tse hlokolosi, tse kang lisebelisoa tsa bongaka, lik'homphieutha, le lisebelisoa tsa molumo, tse hlokang matla a tsitsitseng le a hloekileng.

Li-inverters tse fetotsoeng tsa sine wave, ka lehlakoreng le leng, li hlahisa sebopeho sa maqhubu. Leha li theko e tlase, tlhahiso ea tsona e ka baka mathata ka lisebelisoa tse itšetlehileng ka taolo e nepahetseng ea motlakase, joalo ka li-microwave kapa liprinta tsa laser. Phapang e phahameng ea harmonic ka tlhahiso e fetotsoeng ea sine wave e ka boela ea lebisa tlhahisong e eketsehileng ea mocheso le ho fokotsa bokhoni ba lisebelisoa tse hokahaneng.

Keletso: Bakeng sa lits'ebetso tsa bohlokoa kapa lisebelisoa tsa elektroniki tse hlokolosi, kamehla khetha "sine wave inverter" ho netefatsa ts'ebetso e nepahetseng le bophelo bo bolelele ba lisebelisoa tsa hau.

Mohato ka Mohato oa Phetoho

Ts'ebetso ea ho fetolela DC ho AC e kenyelletsa mehato e 'maloa e hlalositsoeng hantle, e' ngoe le e 'ngoe e kenya letsoho ts'ebetsong le katlehong ea inverter:

1. Moralo oa Sisteme le Tlhaloso: Hlalosa matla a motlakase a hlahisoang, maqhubu le libopeho tsa waveform. Mohato ona o netefatsa hore inverter e fihlela litlhoko tse ikhethileng tsa kopo.
2. Khetho ea Mokhoa oa ho feto-fetoha: Khetha mokhoa oa ho feto-fetoha ha maemo, joalo ka pulse-width modulation (PWM), ho laola matšoao a ho fetoha a inverter.
3. Laola Logic Development: Theha li-algorithms ho fetolela waveform ea AC e lakatsehang hore e be linaha tse feto-fetohang bakeng sa likarolo tsa semiconductor tsa inverter.
4. PWM Signal Generation: Sebelisa li-digital signal processors (DSPs) kapa field-programmable gate arrays (FPGAs) ho hlahisa lipontšo tsa PWM tse phahameng ho latela leano le khethiloeng la modulation.
5. Phetoho ea Ts'ebetso: Kenya li-switches tsa semiconductor tsa inverter ka tatellano e fetolang kenyelletso ea DC hore e be sebopeho sa maqhubu a AC.
6. Ho sefa: Fetisa tlhahiso ka li-filters ho theola sebopeho sa wave le ho fokotsa ho sotha ha harmonic, ho netefatsa hore e kopana le litekanyetso tsa grid kapa sesebelisoa.
7. Output Regulation: Tsoela pele ho beha leihlo le ho lokisa tlhahiso ho boloka motlakase o tsitsitseng le maqhubu, leha o le tlas'a maemo a fapaneng a mojaro.

Ts'ebetso ena e netefatsa hore inverter e fana ka matla a AC a tšepahalang le a sebetsang hantle, ekaba a lisebelisoa tsa ntlo, lisebelisoa tsa indasteri, kapa khokahano ea grid. Liteko tse tsoetseng pele tsa liteko li netefatsa ho nepahala le botsitso ba mohato o mong le o mong, ho netefatsa hore inverter e sebetsa kamoo ho lebelletsoeng maemong a nnete a lefats'e.

Callout: Lintho tse ncha tse entsoeng ka mochine oa motlakase, tse kang tšebeliso ea MPPT le mekhoa e tsoetseng pele ea ho feto-fetoha ha molumo, li ntlafalitse haholo ts'ebetso le ho tšepahala ha DC ho fetola matla a AC. Lintlafatso tsena li etsa hore li-inverters e be tsa bohlokoa haholo lits'ebetsong tsa sejoale-joale tsa matla.

Mefuta ea DC ho AC Inverters

Li-inverters tsa Grid-Tied

Li-inverters tse kentsoeng ka grid li etselitsoe ho hokahana le marang-rang a motlakase. Ba fetolela matla a DC ho tsoa mehloling e kang liphanele tsa letsatsi ho ea ho matla a AC a tsamaisanang le motlakase oa gridi le maqhubu. Li-inverters tsena li nepahetse bakeng sa lits'ebetso moo basebelisi ba batlang ho rekisa motlakase o feteletseng ho khutlela gridi ka mananeo a metering a marang-rang.

Ke hlokometse hore li-inverters tse hokahaneng le marang-rang li laola 'maraka ka lebaka la ts'ebetso ea tsona le kamohelo e atileng ea lits'ebetso tsa PV tsa bolulo le tsa khoebo. Bokhoni ba bona ba ho fepa matla a setseng ka har'a marang-rang bo etsa hore e be khetho e ntle bakeng sa beng ba matlo le likhoebo. Ka mohlala, ntlo ea teropo e nang le moriti o sa fellang e ka rua molemo ho li-microinverters, tse eketsang tlhahiso ea matla ho fihlela ho.15%.

Keletso: Ha u khetha inverter e tlameletsoeng ke grid, etsa bonnete ba hore e tšehetsa maqhubu a gridi ea sebaka sa hau (50Hz kapa 60Hz) 'me e latela melao ea lehae joalo ka litekanyetso tsa UL 1741.

Li-Inverters tsa Off-grid

Li-inverters tsa off-grid li sebetsa ntle le marang-rang a motlakase. Li bohlokoa bakeng sa libaka tse hole moo phihlello ea grid e sa fumaneheng kapa e sa tšepahaleng. Li-inverters tsena li fetola matla a DC ho tsoa libetering kapa mehloling e nchafalitsoeng ho ea ho matla a AC bakeng sa litsamaiso tse ikemetseng.

Ke hlokometse hore litsamaiso tsa off-grid li ntse li tuma ka lebaka la bokhoni ba tsona ba ho fana ka boikemelo ba matla. Li bohlokoa haholo bakeng sa li-cabins, mahae a mahaeng, le litlhophiso tsa ho khutlisa likoluoa. Leha ho le joalo, li-inverters tsa off-grid li hloka boholo bo hlokolosi ho tsamaisana le litlhoko tsa motlakase. Mohlala, tekanyo ea matla e tsoelang pele e tlameha ho hakanngoa ka mokhoa o hlokolosi ho netefatsa hore ts'ebetso e sebetsa hantle.

Tlhokomeliso: Sistimi ea Off-grid hangata e kenyelletsa polokelo ea betri, kahoo khetha inverter e tsamaellanang le matla le matla a betri ea hau.

Li-inverters tsa Hybrid

Li-inverters tsa Hybrid li kopanya likarolo tsa lits'ebetso tse kentsoeng ka gridi le li-off-grid, tse fanang ka phetoho ea ho fumana matla. Li-inverters tsena li ka fetoha ka mokhoa o se nang moeli pakeng tsa matla a grid,polokelo ea betri, le mehloli ea matla a ka nchafatsoang.

Ke bone li-inverters tse nyalisitsoeng li ipabola litsing tsa bolulo tsa solar-plus-storage. Mohlala, sistimi e 'ngoe e ile ea fokotsa tšebeliso ea motlakase oa grid ka 80%, ka lebaka la bokhoni ba eona ba ho boloka matla a letsatsi a mangata hore a sebelisoe hamorao. Li-inverters tsa Hybrid li boetse li ts'ehetsa phallo ea matla a mahlakore a mabeli, e nolofalletsang basebelisi ho tjhaja libeteri nakong ea lihora tse sa lebelloang le ho li ntša nakong ea tlhokeho e phahameng.

Lintlha tsa bohlokoa tsa Hybrid Inverters:

• Waveform: Phallo e hloekileng ea sine wave e netefatsa hore e tsamaellana le lisebelisoa tsa elektroniki tse hlokolosi.
• Khokahano ea Battery: E sebetsa ka li-betri kapa ntle le tsona, ho latela moralo oa sistimi.
• Bokhoni ba Parallel: E tšehetsa li-inverters tse ngata bakeng sa tlhahiso e phahameng ea matla.

Callout: Li-inverters tsa Hybrid li loketse basebelisi ba batlang ho feto-fetoha ha matla le ho tiea, haholo libakeng tse khaohang khafetsa.

Li-microinverters

Li-microinverters li bontša tsoelo-pele e kholo ho theknoloji ea inverter. Ho fapana le li-inverters tse tloaelehileng tsa likhoele, tse hokahanyang liphanele tse ngata tsa letsatsi ho inverter e le 'ngoe, li-microinverters li sebetsa maemong a phanele. Phanele e 'ngoe le e' ngoe ea letsatsi e fumana microinverter ea eona e inehetseng, e e lumellang hore e sebetse e ikemetseng. Moralo ona o ntlafatsa ts'ebetso ea matla le ts'epahalo ea sistimi.

E 'ngoe ea melemo ea mantlha ea li-microinverters ke bokhoni ba tsona ba ho ntlafatsa tlhahiso ea matla. Ke hlokometse hore lits'ebetsong tse nang le moriti o sa fellang kapa li-panels tse fapaneng, li-microinverters li feta li-inverters tsa likhoele. Mohlala, haeba phanele e le 'ngoe ka har'a sistimi ea inverter ea likhoele e ba le moriti, tlhahiso ea khoele eohle ea theoha. Ka li-microinverters, ke feela tlhahiso ea phanele e nang le moriti e fokotsehang, ha tse ling li ntse li tsoela pele ho sebetsa ka botlalo.

Li-microinverters li boetse li nolofatsa tlhahlobo ea sistimi. Mefuta e mengata e kenyelletsa li-module tsa puisano tse hahelletsoeng tse fanang ka data ea ts'ebetso ea nako ea nnete bakeng sa phanele ka 'ngoe. Karolo ena e etsa hore ho be bonolo ho tseba le ho rarolla mathata, joalo ka phanele e sa sebetseng hantle, ntle le ho ama sistimi eohle.

Keletso: Haeba u kenya tsamaiso ea letsatsi sebakeng se nang le moriti khafetsa kapa meralo e rarahaneng ea marulelo, li-microinverters ke khetho e ntle haholo. Ba eketsa tlhahiso ea matla le ho fokotsa tšusumetso ea maemo a tikoloho.

Leha ho na le melemo ea bona, li-microinverters li tla le litšenyehelo tse holimo ha li bapisoa le li-inverters tsa likhoele. Leha ho le joalo, ke fumane hore melemo ea bona ea nako e telele, joalo ka tlhahiso e ntlafalitsoeng ea matla le tlhokomelo e fokotsehileng, hangata e feta matsete a pele. Li loketse ka ho khetheha bakeng sa lisebelisoa tsa letsatsi tsa bolulo le merero e nyenyane ea khoebo moo ho eketsa tlhahiso ea matla e leng ntho e tlang pele.

Callout: Li-microinverters li lumellana le liphanele tse ngata tsa letsatsi 'me li loketse litsamaiso tse hlokang ho feto-fetoha ha maemo le ho sebetsa hantle. Moralo oa bona oa modular o boetse o etsa hore ho be bonolo ho atolosoa nakong e tlang.

Lisebelisoa tsa bohlokoa tsa DC ho AC Inverters

Litsamaiso tsa Matla a Letsatsi

Lisebelisoa tsa matla a letsatsi li itšetlehile haholo ka li-inverters tsa DC ho ea ho AC ho fetola motlakase o tobileng o hlahisoang ke liphanele tsa photovoltaic (PV) hore e be hona joale e fapaneng e loketseng tšebeliso ea malapa kapa ea marang-rang. Ke hlokometse hore ts'ebetso ea phetoho ena e ama ka kotloloho ts'ebetso e akaretsang ea lisebelisoa tsa letsatsi. Li-inverters tse tsoetseng pele tse nang le theknoloji ea Maximum Power Point Tracking (MPPT) li netefatsa ho ntšoa ha matla ho tsoa liphanele tsa letsatsi, leha maemo a khanya a letsatsi a fapana.

Phuputso ea morao tjena e totobatsabohlokoa ba ho rala li-inverters tse sebetsang hantle tsa letsatsi. E totobatsa mesebetsi e kang ho utloa hona joale, tsamaiso ea motlakase, le ho latela lintlha tsa matla. Ho sebelisa meaho e tsoetseng pele, joalo ka li-gate-programmable gate arrays (FPGAs), e ntlafatsa haholo ts'ebetso ea inverter. Boithuto bona bo boetse bo bapisa mekhoa ea khale le ea sejoale-joale ea inverter tlasa maemo a fapaneng a mojaro, joalo ka ha ho bonts'itsoe ka tlase:

Liphuputso tsena li bonts'a kamoo meralo ea sejoale-joale ea inverter e fokotsang ho sotha ha harmonic, ho ntlafatsa boleng ba matla le ts'epahalo ea sistimi. Bakeng sa lisebelisoa tsa letsatsi tsa bolulo, sena se bolela tahlehelo e fokolang ea matla le ho lumellana hamolemo le lisebelisoa tsa ntlo.

Keletso: Ha u khetha inverter bakeng sa tsamaiso ea letsatsi, beha pele mehlala e nang le theknoloji ea MPPT le phallo e tlaase ea harmonic (THD) bakeng sa katleho e kholo.

Sistimi ea polokelo ea Matla a Battery (BESS)

Battery Energy Storage Systems (BESS) e itšetlehile ka li-inverters ho laola phallo ea matla pakeng tsa libeteri le meroalo e hokahantsoeng. Ke hlokometse hore li-inverters ho BESS ha li fetole feela DC ho AC empa hape li laola potoloho ea ho tjhaja le ho ntša. Sena se tiisa hore libeteri li sebetsa hantle le ho tšoarella nako e telele.

Bopaki ba lipalo bo bonts'a hore li-microinverters li fana ka phaello ea 5-10% ha e bapisoa le li-inverters tsa setsoLisebelisoa tsa BESS. Ntlafatso ena e bakoa ke bokhoni ba bona ba ho ntlafatsa phetolo ea matla boemong ba mojule. Ka mohlala:

Litholoana tsena tse sebetsang hantle li fetolela litšenyehelo tse tlase tsa matla le ts'ebetso e ntle ea sistimi. Litlhophisong tsa bolulo, sena se bolela hore beng ba matlo ba ka boloka matla a letsatsi a mangata nakong ea mots'eare mme ba a sebelisa bosiu, ho fokotsa ho itšetleha ka marang-rang. Bakeng sa lits'ebetso tsa khoebo, BESS e nang le li-inverters tse sebetsang hantle e netefatsa phepelo ea motlakase e sa sitisoeng nakong ea tlhokeho e phahameng kapa ho tima.

Hoelehetsa: Khetha li-inverters tse lumellanang le mofuta oa betri ea hau le bokhoni ba ho holisa melemo ea BESS ea hau.

Likoloi tsa Motlakase (EVs)

Likoloi tsa motlakase (EVs) li itšetlehile ka li-inverters ho fetola matla a DC ho tloha libetering tsa tsona ho ea ho matla a AC bakeng sa likoloi tsa tsona. Ke bone kamoo tekanyo ea matla ea inverter e khethollang hore na e loketse mefuta e fapaneng ea li-EV. Likoloi tse nyane tsa baeti hangata li sebelisa li-inverters tse nang le lintlhaho fihlela ho 130 kW, ha li-EV tse sebetsang hantle le literaka tse boima li hloka litekanyetso tse fetang 250 kW.

Li-inverters le tsona li bapala karolo ea bohlokoa liteisheneng tsa ho tjhaja tsa EV. Ba netefatsa tšebelisano lipakeng tsa matla a grid a AC le sistimi ea betri ea DC ea koloi. Li-inverters tse tsoetseng pele tse nang le matla a ho etsa li-bidirectional li lumella li-EV ho sebetsa e le likarolo tsa polokelo ea matla, ho fepa matla ho khutlela grid nakong ea tlhokeho e phahameng.

Hlokomela: Ha u lekola li-inverters tsa EV, nahana ka tekanyo ea matla, ts'ebetso e sebetsang, le ho lumellana le mochini oa koloi le betri ea koloi.

RV, Marine, le Matla a nkehang

Li-inverters li bapala karolo ea bohlokoa ho matlafatsang likoloi tsa boithabiso (RVs), likepe tsa likepe le lisebelisoa tsa matla tse nkehang habonolo. Lisebelisoa tsena li hloka phetoho e tšepahalang ea DC ho AC ho netefatsa matla a sa sitisoeng a lisebelisoa le lisebelisoa tsa bohlokoa. Ke bone kamoo inverter e nepahetseng e ka fetolang RV kapa sekepe hore e be lehae le sebetsang ka botlalo kapa sebaka sa mosebetsi.

Bakeng sa li-RV, li-inverters li fetola matla a DC ho tloha libeteri tse ka har'a sekepe ho ea ho matla a AC bakeng sa lisebelisoa tse kang li-microwave, li-air conditioner le lithelevishene. Li-inverters tse hloekileng tsa sine wave li loketse li-setups tsena hobane li fana ka matla a hloekileng, li netefatsa hore li tsamaellana le lisebelisoa tsa elektroniki tse hlokolosi. Mohlala, inverter ea 2000-watt e khona ho sebetsana le lisebelisoa tse ngata tsa RV, athe litsamaiso tse kholo li ka hloka bokhoni bo phahameng.

Hangata lisebelisoa tsa metsing li tobana le mathata a ikhethang, a kang ho bola ha metsi a letsoai le sebaka se fokolang. Li-inverters tsa boemo ba metsing li sebetsana le litaba tsena ka likhoele tse tiileng le meralo e kopaneng. Ke khothaletsa ho khetha inverter e nang le tekanyo e phahameng ea tšireletso (IP) ho mamella maemo a thata. Ho feta moo, li-inverter tse nyalisitsoeng tse nang le matla a ho tjhaja letsatsi li ka ntlafatsa boikemelo ba matla bakeng sa maeto a malelele.

Sistimi ea motlakase e nkehang, joalo ka e sebelisetsoang ho hloma litente kapa liketsahalo tsa kantle, e rua molemo ho li-inverters tse bobebe le tse kopaneng. Litsamaiso tsena hangata li kopane le liphanele tsa letsatsi tse nkehang habonolo kapa lipakete tsa betri ho fana ka matla a AC bakeng sa lisebelisoa tse nyane joalo ka lilaptop, mabone le libapali. Li-inverters tse fetotsoeng tsa sine ke khetho e theko e tlaase bakeng sa litlhoko tsa mantlha, empa mefuta e hloekileng ea sine wave e fana ka ts'ebetso e ntle bakeng sa lisebelisoa tse hlokolosi.

Keletso: Ha u khetha inverter bakeng sa RV, tšebeliso ea metsing, kapa e nkehang habonolo, nahana ka lintlha tse kang matla a matla, mofuta oa waveform, le ho tšoarella ha tikoloho. Kamehla bapisa lintlha tsa inverter le litlhoko tsa hau tsa matla bakeng sa ts'ebetso e nepahetseng.

Mokhoa oa ho khetha DC e nepahetseng ho isa ho AC Inverter

Fumana Litlhoko tsa Matla

Ho khetha inverter e nepahetseng ho qala ka ho utloisisa litlhoko tsa hau tsa matla. Kamehla ke khothaletsa ho bala palo ea metsi a lisebelisoa tsohle tseo u rerang ho li hokahanya. Eketsa motlakase oa sesebelisoa se seng le se seng, ebe o kenyelletsa buffer ea 20-30% ho ikarabella bakeng sa ts'ebetso ea ho qala kapa meroalo e sa lebelloang. Mohlala, haeba lisebelisoa tsa hau li hloka li-watts tse 1,500, khetha inverter e fuoeng bonyane li-watts tse 2,000. Sena se tiisa ts'ebetso e tšepahalang ntle le ho tlatsa sistimi.

Bakeng sa litlhophiso tse kholoanyane, joalo ka lisebelisoa tsa matla a letsatsi kapa li-RV, nahana ka lintlha tse tsoelang pele tsa inverter le maemo a phahameng a matla. Matla a tsoelang pele a bolela boima bo boholo boo inverter e ka bo sebetsanang le nako, ha matla a phahameng a ikarabella bakeng sa ho phatloha ho hoholo ha tlhokahalo e phahameng. Ho bapisa lintlha tsena le litlhoko tsa hau tsa matla ho thibela ho se sebetse hantle le tšenyo e ka bang teng ho lisebelisoa tsa hau.

Khetha Output Waveform

Mofuta oa tlhahiso ea waveform o bapala karolo ea bohlokoa ho khethoeng ha inverter. Hangata ke hatisa bohlokoa ba ho khetha pakeng tsa maqhubu a hloekileng a sine le li-inverters tse fetotsoeng tsa sine wave ho latela ts'ebeliso ea hau. Li-inverters tse hloekileng tsa sine wave li hlahisa sebopeho sa maqhubu a AC se boreleli, se etsang hore e be tse loketseng lisebelisoa tsa elektroniki tse bobebe joalo ka lisebelisoa tsa bongaka, lilaptop le litsamaiso tsa molumo. Li-inverters tse fetotsoeng tsa sine wave, leha li le theko e tlase, li hlahisa sebopeho sa maqhubu se ka bakang mathata ka lisebelisoa tse itseng, joalo ka li-microwave kapa liprinta tsa laser.

Ho bonts'a katleho ea mefuta e fapaneng ea li-inverter, nahana ka papiso e latelang:

Bakeng sa lits'ebetso tse mahlonoko, ke lula ke khothaletsa li-inverters tse hloekileng tsa sine wave. Li netefatsa ho lumellana le ho sireletsa lisebelisoa tsa hau ho tsoa kotsi e ka bakoang ke ho se tloaelehe ha waveform.

Bapisa Motlakase oa ho Kena oa DC

Ho bapisa motlakase oa motlakase oa inverter oa DC le mohloli oa matla a hau ho bohlokoa bakeng sa ts'ebetso e nepahetseng. Li-inverters tse ngata li etselitsoe ho sebetsa ka li-voltages tse khethehileng tsa ho kenya, joalo ka 12V, 24V, kapa 48V. Ke eletsa ho lekola motlakase oa betri ea hau kapa sistimi ea solar pele u reka inverter. Mohlala, sistimi ea betri ea 12V e hloka inverter e kenang ea 12V. Ho sebelisa motlakase o sa lumellaneng ho ka lebisa ho se sebetseng kapa esita le tšenyo ho inverter.

Lisebelisoa tse phahameng tsa motlakase, joalo ka 48V, li sebetsa hantle haholo bakeng sa litlhophiso tse kholo hobane li fokotsa phallo ea hona joale le ho fokotsa tahlehelo ea matla. Sena se ba etsa khetho e betere bakeng sa lits'ebetso tsa letsatsi kapa li-off-grid system tse nang le litlhoko tse kholo tsa matla. Kamehla netefatsa mofuta oa motlakase oa motlakase oa inverter ho litlhaloso tsa moetsi ho netefatsa hore e lumellana le mohloli oa hau oa matla.

Nahana ka Katleho

Ho sebetsa hantle ho phetha karolo ea bohlokoa ha u khetha DC ho AC inverter. Kamehla ke hatisa bohlokoa ba ho khetha inverter e nang le tekanyo e phahameng ea katleho, kaha sena se ama ka ho toba ho boloka matla le ts'ebetso ea tsamaiso. Li-inverter tse ngata tsa sejoale-joale li fihlella maemo a ts'ebetso lipakeng tsa 90% le 98%. Leha ho le joalo, esita le phapang e nyenyane e ka ama haholo litšenyehelo tsa nako e telele tsa matla.

Mohlala, inverter e sebetsang hantle ea 95% e fetola 95% ea motlakase oa DC o kenang hore e be matla a ka sebelisoang a AC, 'me ke 5% feela e lahlehileng joalo ka mocheso. Ka lehlakoreng le leng, inverter e sebetsang hantle ea 90% e senya matla a mangata habeli. Phapang ena e bonahala haholoanyane lits'ebetsong tse kholo, joalo ka lits'ebetso tsa letsatsi, moo tahlehelo ea matla e ka eketsang nako.

Keletso: Batla li-inverters tse nang le litifikeiti tse kang Energy Star kapa ho lumellana le litekanyetso tse kang UL 1741. Litifikeiti tsena li netefatsa hore inverter e kopana le litekanyetso tsa indasteri bakeng sa katleho le polokeho.

Ho feta moo, nahana ka katleho ea inverter tlasa maemo a moroalo a sa fellang. Litsamaiso tse ngata li sebetsa ka tlase ho matla a tsona boholo ba letsatsi. Li-inverters tse nang le ts'ebetso e phahameng e sa fellang li sebetsa hantle maemong ana, li eketsa tšebeliso ea matla.

Likarolo tse khethehileng tsa Kopo

Lisebelisoa tse fapaneng li hloka likarolo tse ikhethang tsa inverter. Kamehla ke khothaletsa ho lekola nyeoe ea hau ea ts'ebeliso ho tseba likarolo tse bohlokoa haholo. Mohlala, haeba o kopanya motlakase ho sistimi ea matla a letsatsi, beha mehlala pele ka Maximum Power Point Tracking (MPPT). Ts'ebetso ena e ntlafatsa ho ntšoa ha matla liphanele tsa letsatsi, esita le tlas'a maemo a fapaneng a letsatsi.

Bakeng sa litlhophiso tsa off-grid, likarolo tse kang tšebelisano ea betri le tšebeliso e tlase ea motlakase e sa sebetseng e ba tsa bohlokoa. Li-inverters tse etselitsoeng tšebeliso ea kantle ho grid hangata li kenyelletsa lits'ebetso tse tsoetseng pele tsa taolo ea betri ho lelefatsa bophelo ba betri le ho ntlafatsa ts'epo.

Lits'ebetsong tsa metsing kapa tsa RV, ho tšoarella le moralo o kopaneng li tla pele. Ke bone kamoo li-inverters tse nang le litekanyetso tse phahameng tsa ts'ireletso ea ingress (IP) li sebetsang hantle libakeng tse thata. Mefuta e meng e boetse e kenyelletsa ts'ireletso e hahelletsoeng kahare, e sireletsang lisebelisoa tsa elektroniki ho tsoa ho li-voltage spikes.

Hoelehetsa: Kamehla bapisa likarolo tsa inverter le litlhoko tsa hau tse ikhethileng. Ho hlokomoloha mesebetsi ea bohlokoa ho ka lebisa ho se sebetseng hantle kapa mathata a ho lumellana.

Budget le Brand Reputation

Ho leka-lekanya litšenyehelo le boleng ho bohlokoa ha u khetha inverter. Ke eletsa khahlanong le ho khetha khetho e theko e tlaase ntle le ho nahana ka ts'ebetso ea nako e telele le ho tšepahala. Le ha li-inverters tse sebetsang hantle ka tekanyetso li ka boloka chelete esale pele, hangata li haelloa ke likarolo tse tsoetseng pele le ho tšoarella.

Mefuta e tsebahalang, joalo ka SMA, SolarEdge, leVictron Energy, e lula e fana ka lihlahisoa tsa boleng bo holimo. Baetsi bana ba tsetela ho lipatlisiso le nts'etsopele, ho netefatsa hore li-inverters tsa bona li kopana le maemo a indasteri mme li sebetsa ka ts'epo ha nako e ntse e ea.

Hlokomela: Matsete a pele a holimo ho lets'oao le tsebahalang hangata a lefa ka ts'ebetso e ntle, nako e telele ea bophelo, le litšenyehelo tse tlase tsa tlhokomelo.

Ha u lekola tekanyetso ea hau, nahana ka kakaretso ea litšenyehelo tsa ho ba beng. Sena ha se akarelletse feela theko ea theko empa hape le ho kenya, tlhokomelo, le tahlehelo e ka bang teng ea matla. Ke fumane hore li-inverters tsa mahareng hangata li na le tekatekano e ntle ka ho fetisisa lipakeng tsa theko e tlase le ts'ebetso.

Keletso: Batlisisa maikutlo a bareki 'me u batle likhothaletso ho tsoa ho litsebi tsa indasteri ho tseba mefuta e nang le botumo bo matla ba boleng le tšehetso.

Lintlha tsa Bohlokoa bakeng sa Phetoho ea DC ho AC

Litahlehelo tsa Bokhoni

Litahlehelo tsa katleho li etsahala nakong ea phetoho ea matla a DC ho ea ho AC, haholo-holo ka lebaka la ho hlahisa mocheso le ho hanyetsa ka hare ho inverter. Ke hlokometse hore tahlehelo ena e fapana ho latela mofuta oa inverter le mefuta ea matla. Mohlala, li-converter tse matlafatsang tsa AC/DC li ka ba le boiphihleloho fihlela ho makhetlo a 2.5 tahlehelo ho feta DC / DCbafetoleli. Tafole e ka tlase e totobatsa phapang ena:

Ho fokotsa tahlehelo ena, ke khothaletsa ho khetha li-inverters tse nang le litekanyetso tse phahameng tsa ts'ebetso, hangata ka holimo ho 95%. Litheknoloji tse tsoetseng pele joalo ka Maximum Power Point Tracking (MPPT) le tsona li thusa ho ntlafatsa phetolo ea matla, haholo lits'ebetsong tsa letsatsi. Tlhokomelo ea kamehla, joalo ka ho hloekisa lifenehi tse pholisang le ho etsa bonnete ba hore ho na le moea o nepahetseng, ho boetse ho fokotsa tšenyo ea matla.

Keletso: Kamehla hlahloba curve ea inverter e sebetsang hantle. Mehlala ea boleng bo phahameng e boloka ts'ebetso e tsitsitseng ho pholletsa le meroalo e mengata.

Sizing e nepahetseng

Size e nepahetseng e netefatsa hore inverter e khona ho sebetsana le tlhoko ea motlakase ntle le ho tlala. Ke lula ke eletsa ho bala matla a kopantsoeng a lisebelisoa tsohle tse hokahantsoeng le ho eketsa buffer ea 20-30% bakeng sa lits'ebetso tsa ho qala. Ka mohlala, haeba lisebelisoa tsa hau li hloka li-watts tse 1,800, khetha mochine o fetolang motlakase o kentsoeng bonyane li-watts tse 2,400.

Li-inverters tse tlase li sokola ho fihlela tlhoko, e lebisang ho se sebetseng hantle le tšenyo e ka bang teng. Li-inverters tse fetelletseng, leha li bolokehile, li ka baka tahlehelo ea matla e sa hlokahaleng le litšenyehelo tse phahameng. Ho tsamaisana le litekanyetso tse tsoelang pele le tse phahameng tsa motlakase oa inverter ho litlhoko tsa hau ho netefatsa ts'ebetso e nepahetseng.

Hoelehetsa: Bakeng sa litsamaiso tsa letsatsi, nahana ka mofuta oa motlakase oa motlakase oa inverter. Ho se lumellane le liphanele tsa letsatsi kapa banka ea betri ho ka fokotsa ts'ebetso le ts'epahalo.

Ho kenya le Polokeho

Ho kenya ka nepo ho bohlokoa bakeng sa ts'ebetso le polokeho. Ke bone li-inverters tse sa kenngoeng hantle li baka mocheso o feteletseng, mathata a motlakase, esita le mollo. Kamehla latela litataiso tsa moetsi 'me u hire ramotlakase ea tiisitsoeng bakeng sa litlhophiso tse rarahaneng.

Netefatsa hore inverter e kentsoe sebakeng se nang le moea o motle, hole le khanya ea letsatsi le mongobo. Sebelisa likhoele tse boholo bo lekaneng ho thibela ho theoha ha motlakase le ho futhumala ho feteletseng. Ho theola sistimi ka nepo ho boetse ho sireletsa khahlano le lits'oants'o tsa motlakase le maqhubu.

Hlokomela: Litikoloho tse ngata li hloka ho tsamaellana le litekanyetso tsa polokeho joalo ka UL 1741 bakeng sa li-inverters tse kentsoeng ke grid. Netefatsa hore inverter ea hau e kopana le litifikeiti tsena ho netefatsa ts'ebetso e bolokehileng.

Lintlha tsa Tikoloho

Maemo a tikoloho a ama haholo ts'ebetso le bophelo bo bolelele ba DC ho li-inverters tsa AC. Ke hlokometse hore lintlha tse kang mocheso, mongobo, le ho bokellana ha lerōle li ka ama ts'ebetso e ntle le ho tšepahala. Ho utloisisa mefuta ena ho thusa ho netefatsa ts'ebetso e nepahetseng le ho lelefatsa nako ea bophelo ea inverter ea hau.

Mocheso

Mocheso o bapala karolo ea bohlokoa ts'ebetsong ea inverter. Lithempereichara tse phahameng li ka baka ho futhumala ho feteletseng, ho fokotsa ts'ebetso le ho senya likarolo tsa ka hare. Li-inverters tse ngata li sebetsa ka har'a mocheso o itseng oa mocheso, hangata -10 ° C ho 50 ° C (14 ° F ho 122 ° F). Ho sebetsa ka ntle ho sebaka sena ho ka baka ho koala ha mocheso kapa ho theola ts'ebetso.

Ho fokotsa sena, ke khothaletsa ho kenya li-inverters libakeng tse nang le moriti, tse nang le moea o motle. Ka mohlala, ho beha inverter ka karacheng e nang le moea o nepahetseng ho ka thibela ho chesa haholo. Mefuta e meng e tsoetseng pele e kenyelletsa lisebelisoa tsa ho pholisa tse hahelletsoeng kahare, joalo ka lifensetere kapa lisinki tsa mocheso, ho boloka mocheso o nepahetseng.

Keletso: Sheba database ea inverter bakeng sa mocheso oa mocheso oa ts'ebetso 'me u netefatse hore sebaka sa ho kenya se finyella litlhoko tsena. 

Mongobo le Mongobo

Mongobo o feteletseng kapa ho pepesehela metsi ho ka senya likarolo tsa ka hare mme ho baka mathata a motlakase. Libaka tsa maoatle, haholo-holo, li baka mathata ka lebaka la ho pepeseha ha metsi a letsoai. Kamehla ke eletsa ho sebelisa li-inverters tse nang le litekanyetso tse phahameng tsa tšireletso (IP), tse kang IP65, bakeng sa maemo a ka ntle kapa a mongobo. Mefuta ena e tiisitsoe ho thibela ho kena ha mongobo.

Lerōle le Litšila

Ho bokellana ha lerōle ho ka thibela moea le ho baka mocheso o feteletseng. Libakeng tse lerōle, ke khothaletsa ho sebelisa li-inverters tse koetsoeng ka lerōle. Tlhokomelo ea kamehla, joalo ka ho hloekisa masoba le lisefe, le eona e thusa ho boloka tšebetso e sebetsang hantle.

Hoelehetsa: Lintlha tsa tikoloho li ka ama ts'ebetso ea inverter haholo. Kamehla nahana ka maemo ana nakong ea ho kenya ho eketsa katleho le ho tšoarella.

Bokhoni ba BSLBATT ho Litharollo tsa Phetoho tsa DC-AC

Ho BSLBATT, re sebetsa ka thata ho fana ka litharollo tsa phetoho tsa DC ho AC tse tsamaellanang le litlhoko tsa sejoale-joale tsa matla. Sistimi ea rona ea polokelo ea matla a betri (BESS) e hokahana ka mokhoa o ts'oanang le lits'ebetso tse tsoetseng pele tsa phetolo ea matla (PCS), e netefatsa ts'ebetso e phahameng le ts'epahalo. Litharollo tsena li etselitsoe ho fihlela litlhoko tsa lits'ebetso tsa bolulo le tsa khoebo, tse fanang ka ts'ebetso e ke keng ea lekanngoa ho kopanya matla a tsosolositsoeng.

Phetoho ea matla a DC ho ea ho AC e ntse e le motheo oa mekhoa ea sejoale-joale ea matla. E koala lekhalo lipakeng tsa mehloli ea matla a ka nchafatsoang le lisebelisoa tseo re itšetlehileng ka tsona letsatsi le letsatsi. Li-inverters li bapala karolo ea bohlokoa ts'ebetsong ena, ho netefatsa phetoho e nepahetseng ea matla ha li ntse li boloka li lumellana lesesebelisoa sa lapengs, lisebelisoa tsa indasteri, le marang-rang a motlakase.

Ho khetha inverter e nepahetseng ho hloka ho nahanoa ka hloko ka katleho, litlhoko tsa matla, le likarolo tse ikhethileng tsa ts'ebeliso. Ka mohlala, litlhophiso le95% e sebetsang hantleba ipabola maemong a matla a tlase, athe ba nang le ts'ebetso ea 85% ba lumellana le litlhoko tsa matla a phahameng.

Ho sa tsotellehe hore na ho matlafatsa tsamaiso ea matla a letsatsi kapa ho kopanya le marang-rang, ho khetha inverter e nepahetseng ho tiisa ho tšepahala le ho sebetsa hantle.

Hoelehetsa: Phetoho ea matla a DC ho AC ha se ts'ebetso ea tekheniki feela; ke tsela e isang litharollong tsa matla a moshoelella. Iphe nako ea ho lekola litlhoko tsa hau mme u khethe inverter e lumellanang le lipheo tsa hau.

LBH

Phapano ke efe lipakeng tsa pure sine wave le modified sine wave inverters?

Li-inverters tse hloekileng tsa sine wave li hlahisa matla a boreleli a kang a AC, a loketseng lisebelisoa tsa elektroniki tse bobebe. Li-inverters tse fetotsoeng tsa sine wave li hlahisa matla a ntseng a eketseha, a ka bakang mathata ka lisebelisoa tse itseng. Ke khothaletsa li-inverters tse hloekileng tsa sine wave bakeng sa lits'ebetso tsa bohlokoa ho netefatsa hore lia lumellana le ho sireletsa lisebelisoa tsa hau.

Ke bala boholo bo nepahetseng ba inverter joang bakeng sa litlhoko tsa ka?

Kenya motlakase oa lisebelisoa tsohle tseo u rerang ho li hokela. Kenyelletsa 20-30% buffer bakeng sa ho buuoa. Ka mohlala, haeba lisebelisoa tsa hau li hloka li-watts tse 1,500, khetha mochine o fetolang motlakase o kentsoeng bonyane li-watts tse 2,000. Sena se thibela ho jara le ho netefatsa ts'ebetso e tšepahalang.

A na nka sebelisa inverter ka liphanele tsa ka tsa letsatsi?

Ho joalo, empa etsa bonnete ba hore inverter e lumellana le motlakase oa solar panel le tlhahiso ea matla. Ke khothaletsa li-inverters tse nang le theknoloji ea Maximum Power Point Tracking (MPPT) bakeng sa ho ntša matla ka ho fetisisa. Tšobotsi ena e ntlafatsa bokhoni, haholo-holo tlas'a maemo a sa tšoaneng a letsatsi.

Na li-inverters li bolokehile ho sebelisoa libakeng tse mongobo kapa tse kantle?

Li-inverters tse etselitsoeng ts'ebeliso ea kantle hangata li na le litekanyetso tse phahameng tsa tšireletso (IP), joalo ka IP65, ho thibela tšenyo ea mongobo. Ke fana ka tlhahiso ea ho li kenya libakeng tse nang le moriti, tse nang le moea o motlakase le ho khetha mehlala e nang le liphahlo tse matla bakeng sa ho tšoarella maemong a thata.

Nka ntlafatsa ts'ebetso ea sistimi ea ka ea inverter joang?

Khetha inverter e nang le litekanyetso tse phahameng tsa ts'ebetso, ka holimo ho 95%. Tlhokomelo ea kamehla, joalo ka ho hloekisa masoba le ho netefatsa hore moea o phalla hantle, ho fokotsa tahlehelo ea matla. Lintlha tse tsoetseng pele joalo ka theknoloji ea MPPT le tsona li ntlafatsa ts'ebetso, haholo lits'ebetsong tsa matla a letsatsi.