Lilemong tse 'maloa tse fetileng, "bophelo ba off-network", "boipuso ba matla" le "phepelo ea motlakase e ikemetseng" li kene ka potlako ponong ea sechaba ho tloha mehopolong ea niche. Hore na o batla ho fokotsa sekoloto sa motlakase, ho aha phepelo ea motlakase e tšepahalang bakeng sa libaka tsa bolulo tse hole, kapa ho ba le matla a bolokang matla ha motlakase o khaoha, sesebelisoa se sebetsang hantle sa betri ea letsatsi e ka ba tharollo ea hau ea nako e telele.
Kamora 2025, thekenoloji ea off-network e ntse e ba le liphetoho tse kholo: ts'ebetso e phahameng ea sistimi, litšenyehelo tse tlase tsa karolo, le kopanyo e matla. Bakeng sa basebelisi ba tloaelehileng, ho haha sistimi e felletseng ea polokelo ea betri e kantle ho grid ha e sa le projeke e phahameng, empa e tšoana le "morero oa phetoho ea matla" o ka phethoang butle-butle.
Sengoliloeng sena se tla u fa mokhoa o felletseng oa kaho bakeng sa lits'ebetso tsa off-network ka 2025 ho tloha ho litloaelo, khetho ea likarolo, moralo oa sistimi, ho kenya le kaho ho fihlela ts'ebetsong e nepahetseng.
Hobaneng ho le bohlokoa hakaale ho theha sistimi e kantle ho marang-rang ka 2025?
Litheko tse ntseng li phahama tsa motlakase le ho se tsitse ha matla li fetohile ntho e tloaelehileng.
Litheko tsa motlakase linaheng tse ngata ho pota lefatše li nyolohile ka ho feta 10%. Ho khaoha ha motlakase le lithibelo tsa motlakase ho ntse ho etsahala libakeng tse ling. Malapa a mangata ha a batle ho beha ts'ireletso ea matla ka botlalo ho marang-rang a motlakase.
Litsenyehelo tsa theknoloji ea off-grid li theohile ka 20% -40% ha li bapisoa le lilemo tse hlano tse fetileng.
Litheko tsa li-module tsa photovoltaic, libeteri, li-inverters le litsamaiso tsa BMS li tsoetse pele ho theoha lilemong tsa morao tjena, ho etsa hore ho beoa betri ea letsatsi bakeng sa matlo a marang-rang a marang-rang a theko e tlaase le a khutšoanyane a ho tsosolosa lichelete.
Boikemelo ba matla bo fetohile mokhoa o mocha.
Hore na o lula libakeng tsa mahaeng, lithabeng, mapolasing, matlong a phomolo a phomolo, li-RV tse tsamaeang, sete ea matla a solar off-grid e nang le betri e ka u ntša ka ntle ho pelaelo.
Tikoloho ea leano e na le botsoalle haholoanyane.
Puseletso ea lekhetho le maano a lithuso tsa linaha tse ngata li matlafalitse ho hohela ha kaho ea sistimi e kantle ho marang-rang.
Mokhoa oa morao-rao oa thekenoloji ea matla a letsatsi a off-grid ka 2025
1. Theknoloji ea betri e sebetsa hantle haholo: ho tloha tsamaisong ea 48V ho ea ho lumellana ho phahameng
Libetri tsa Lithium (haholo-holo LiFePO4) li fetohile tse ka sehloohong tsa lits'ebetso tse kantle ho grid, tse bonts'ang joalo ka:
Nako e lebeletsoeng ea bophelo e atoloselitsoe ho li-cycle tse 6,000+
E sireletsehile haholoanyane
Botebo ba ho ntša metsi bo ka fihla ho 80-90%
2. Ntlafatso ea ho kopanya li-inverter (Hybrid All-in-One e fetoha e tloaelehileng)
Mokhoa o hlakileng ka ho fetesisa oa 2025:
Inverter + charger + MPPT controller + ho kopanya tsamaiso ea ho beha leihlo ho etsa hore ho be bonolo ho kenya le ho tsamaisana le sistimi ho matlafala.
3. Intelligent EMS (Energy Management System) e kenya letsoho ho hlophisa
Moloko o mocha oa sistimi ea polokelo ea matla bakeng sa solar e kantle ho grid e ka bolela esale pele mabone le mojaro ka AI, ho tjhaja le ho lahla ka tsela e nepahetseng, le ho ntlafatsa ts'ebetso ka kakaretso.
4. Tloaelo ea boholo bo boholo ba li-module tsa photovoltaic + ts'ebetso e phahameng ea phetoho e totobetse
Matla a phanele e le 'ngoe hangata a eketsoa ho 450W–600W
Ts'ebetso ea phetoho e ka fihla ho 22% -23%
Sena se bolela hore sebaka se tšoanang se tlisa phepelo ea matla a mangata.
Likarolo tsa mantlha le tataiso ea khetho ea sistimi e kantle ho grid (ho khetha "e sebetsang hantle" joang?)
Sistimi e felletseng ea betri ea letsatsi e kantle ho grid hangata e kenyelletsa:
1. Liphanele tsa letsatsi
Khetha lintlha tsa bohlokoa:
Khetho ea pele ea silicon ea kristale (e sebetsang hantle haholoanyane)
Khokahano ea morao, halofo ea chip, likarolo tsa morao-rao e se e le tlhophiso e tloaelehileng ea 2025
Ho lokela ho khethoa likhalase tse fapaneng bakeng sa maemo a fapaneng (anti-PID, ho bola ha moriti, jj.)
Molao-motheo oa khetho e nepahetseng:
Libaka tse nang le khanya ea letsatsi e lekaneng: sebaka sa boikhethelo sa matla a phahameng (500W+)
Libaka tsa lipula: beha pele ho PERC kapa TOPCon ka ts'ebetso e ntle ea khanya e tlase
2. Mokhoa oa ho boloka matla a betri
Sena ke motheo oa hore na tsamaiso e ka "tsamaea ka mokhoa o tsitsitseng".
Khetha lintlha tsa bohlokoa:
Khetho ea pele LiFePO4 (lithium iron phosphate)
Nako ea bophelo ≥ 4000 linako tse ling
Tšehetso ≥ 1C sekhahla sa ho qhala se molemo
BMS e ts'ehetsa Bluetooth, APP kapa tlhahlobo e hole
Tlhahiso ea bokhoni:
Haeba lelapa le sebelisa 4kWh ea motlakase ka letsatsi, polokelo ea matla ea 5–8kWh e ka hlophisoa.
3. Off-network inverter
Ntho e ka sehloohong ea tsamaiso e sebetsang ke:
Phetoho e sebetsang hantle ≥ 93%
Ts'ehetsa ts'ebetso e phahameng (haholo-holo ha u qala lisebelisoa tsa motlakase tse matla)
E lumellana le mefuta e fapaneng ea betri
MPPT e hahelletsoeng e betere (nolofatsa sistimi)
4. MPPT molaoli
Etsa qeto ea bokhoni ba ho tjhaja, etsa tlhahiso:
MPPT e phahame ka 15% -30% ho feta bokhoni ba ho tjhaja ba PWM
Ts'ehetsa tlhahiso e phahameng ea hajoale
Overcharge, overcharge, mochine o sireletsang mocheso
5. Lisebelisoa tse thusang
Ka mohlala, li-brackets tsa photovoltaic, lithapo tsa PV, li-fuse, li-circuit breakers, li-terminal blocks, joalo-joalo, boleng ba tsona ha boa lokela ho hlokomolohuoa, ho seng joalo li ka baka likotsi tsa polokeho.
Mokhoa oa ho Rala Sekala sa Sistimi (ka Litlhaloso tsa Lipalo le Mehlala)
Mohato o ka sehloohong oa ho haha tsamaiso e sebetsang hantle ke ho bala ka nepo "hore na ke hloka motlakase o kae."
Mohato oa 1: Bala Tšebeliso ea Motlakase Letsatsi le Letsatsi
Thathamisa lisebelisoa tsohle (wattage × nako ea tšebeliso), mohlala:
| Appliance | Matla (W) | Nako ea Tšebeliso (h) | Tšebeliso ea Letsatsi le Letsatsi (Wh) |
| Sehatsetsi | 120 | 8 | 960 |
| Lights | 10 | 5 | 50 |
| Fan | 60 | 4 | 240 |
| Kakaretso | - | - | ~ 1,250 Wh |
Mohato oa 2: Bala matla a hlokahalang a solar panel
Molaetsa:
Matla a matla a letsatsi = tšebeliso ea matla ea letsatsi le letsatsi ÷ (lihora tsa motšehare tse sebetsang × 0.8)
Ho nka hore khanya ea letsatsi ea lehae ke lihora tse 5, tlhoko ke 2000Wh:
2000 ÷ (5×0.8) ≈ karolo ea 500W
Haeba u batla ho ntlafatsa botsitso, ho kgothaletswa ho × 1.3 ~ 1.5 linako tse ling.
Mohato oa 3: Bala matla a betri
Molaetsa:
Bokhoni ba betri (Wh) = ts'ebeliso ea letsatsi le letsatsi ea matla × 1.5-2 linako tsa polokelo ea tšohanyetso
LiFePO4 e ka sebelisa botebo ba 80% ea ho tsoa:
Haeba lelapa le sebelisa 2kWh ea motlakase letsatsi le leng le le leng:
Matla a ho boloka a hlokahalang ≈ 3 ~ 4kWh
E baloa ho sistimi ea 48V:
4000Wh ÷ 48V ≈ 83Ah
Hangata ho bolokehile ho hlophisa ho feta 100Ah.
Mohato oa 4: Khetho ea li-inverter
Inverter ha ea lokela ho ba "pere e nyane le koloi e kholo":
melao:
Inverter e lekantsoe matla ≥ matla a mangata a boima × 1.3-1.5 linako tse ling
Ka mohlala:
Boholo bo boholo ka nako e le 'ngoe = 1500W
Inverter e khothalletsoang ≥ 2000W
Kaho le ho kenya: tataiso e bonolo e ka sebetsoang ke ba qalang
1. Ho kenngoa ha liphanele tsa photovoltaic
Ho shebana le borwa/ho shebana le letsatsi
Angle = latitude ea lehae ±10°
Leka ho qoba meriti (meriti e tla baka ho bola ha letoto lohle la li-module)
2. Ho kenya betri
Ho pholile ebile ho tšeloa moea
Qoba mocheso o phahameng le mongobo o phahameng
E lokise ka tieo 'me u lule hole le lisebelisoa tse tukang.
Haeba ho na le maemo, o ka eketsa lebokose le sireletsang.
3. Inverter le molaoli
E kentsoe leboteng le omeletseng
Qoba mahlaseli a letsatsi
Tlohela sebaka se lekaneng sa ho qhala mocheso (10cm+)
Mokhoa oa ho ntlafatsa ts'ebetso ea sistimi (tsebo e sebetsang ea master)
1. Fetola angle ea sebaka sa boto + hloekisa phanele
Phapang ea angle ea 5 ° e tla ama tlhahiso ea matla, 'me lerōle le tla baka tahlehelo ea 3% -10%.
2. Theola mocheso oa betri = ntlafatsa bophelo
Betri e na le potoloho e ntle ka ho fetisisa ea bophelo ho 15°C–35°C.
3. Etsa hore sistimi e be "automatically smart"
BMS e bohlale kapa EMS e ka etsa:
Kemiso e iketsang ea ho tjhaja le ho tjhaja
Lebela boemo ba leholimo le tefiso e feteletseng esale pele
Qoba ho tsoa ho tebileng
4. Ha mohala o le motenya, o tla ba betere.
Ho fokotsa ho theoha ha khatello ho ka ntlafatsa katleho ka 2% -3%.
Litlhahiso tsa ho atolosoa le ho ntlafatsa tsamaiso
Ha sistimi ea hau ea lipolanete e kantle ho grid e ntse e sebetsa hantle, u ka fumana--
"Motlakase o lekane, empa ho ka ba molemo ha e ka ba motlakase o mongata le o bohlale haholoanyane."
Ka nako ena, ke nako ea ho nahana ka katoloso le ntlafatso ea sistimi.
1. Eketsa lisebelisoa tsa letsatsi ho ntlafatsa matla a ho hlahisa matla
Haeba hangata u kopana le khaello ea motlakase matsatsing a lipula, kapa u rera ho hokahanya lisebelisoa tse ngata tsa motlakase, u ka nahana ka ho eketsa palo ea lisebelisoa tsa letsatsi.
Khokahano e ts'oanang e ka eketsa kakaretso ea hona joale, kahoo e potlakisa lebelo la ho tjhaja;
Letoto la khokahano le ka eketsa motlakase oa sistimi le ho fokotsa tahlehelo ea mohala (hafeela molaoli o ts'ehetsa motlakase o phahameng oa ho kenya).
Malebela: Ka kopo, lekola boholo ba matla a kentsoeng le mefuta ea motlakase ea selaoli sa hau sa ho tjhaja pele o ka atoloha ho qoba ho tlala.
2. Atolosa pakete ea betri ho lelefatsa bophelo ba betri
Libakeng tseo ho tsona ho nang le motlakase o mongata bosiu le letsatsi le lelelele la maru, matla a mangata a betri a ka tlisa phihlelo e khothatsang haholoanyane.
O ka eketsa bokhoni ka litsela tse peli tse latelang:
Katoloso e ts'oanang: hokela libeteri tse ling tse 'maloa tsa litlhaloso tse tšoanang ho ntlafatsa matla a felletseng;
Kenya sebaka sa libeteri tse kholoanyane: mohlala, ntlafatsa ho tloha ho 100Ah ho isa ho 200Ah lithium iron phosphate libetri.
Tlhokomeliso: Libetri tsohle li lokela ho ba le mohlala o tšoanang le bophelo bo tšoanang ba tšebeletso, ho seng joalo ho bonolo ho baka ho se leka-lekane ha motlakase le ho ama bophelo ba tšebeletso.
3. Hlahisa mokhoa o bohlale oa ho beha leihlo
Haeba u batla ho utloisisa ts'ebetso ea sistimi habonolo, ho na le balaoli ba bangata ba bohlale ba nang le Bluetooth kapa Wi-Fi 'marakeng hona joale.
Ka sesebelisoa sa mohala oa thekeng, o ka sheba ka nako ea nnete:
Ho hlahisa matla a hona joale
Matla a betri le tjhaja le curve ea ho tima
Lipalopalo tsa data tsa nalane le lits'oants'o tse sebetsang
Sena ha se nolofatse tsamaiso feela, empa hape se ka fumana le ho sebetsana le mathata kapele kamoo ho ka khonehang.
4. Eketsa phepelo ea motlakase ea bekapo
Bakeng sa basebelisi ba itšetlehileng ka lisebelisoa tsa off-line selemo ho pota, ke khetho e bohlale ho ba le phepelo ea motlakase ea bekapo.
O ka eketsa:
Lijenereithara tse nyenyane tsa moea li sebelisetsoa ho tlatsa matla libakeng tse nang le moea;
Jenereithara ea diesel e nkehang, phepelo ea motlakase ea tšohanyetso maemong a leholimo a pula.
Mofuta ona oa mokhoa oa phepelo ea motlakase (solar + wind + jenereithara) o ka ntlafatsa haholo ts'epahalo ea sistimi.
Liphoso tse tloaelehileng le keletso ea litsebi
1 Khakanyo ea tšebeliso ea motlakase e nyane haholo
80% ea ba qalang ba tla nyenyefatsa tlhoko ea 'nete.
2 Inverter e nyane haholo
E etsa hore lisebelisoa tsa motlakase li hlolehe ho qala (joalo ka ho phahama ha sehatsetsing).
3 Sebelisa selaoli sa PWM
E fokotsa haholo ts'ebetso ea ho tjhaja. E khothaletsoa ho sebelisa MPPT kaofela.
4 Ho tsoa ho feteletseng ha botebo ba betri
E tla khutsufatsa nako ea bophelo. Etsa bonnete ba hore u sebelisa BMS e bohlale.
5 Se ke oa kenya li-fuse/circuit breaker
Ena ke phoso e tebileng ka ho fetisisa e nang le kotsi e kholo ka ho fetisisa ea polokeho.
Mokhoa o motle oa ho aha sistimi e sebetsang e sa sebetseng hantle ka 2025
Haeba u batla ho aha sistimi e sebetsang hantle, e tšoarellang le e ka senyehang ea marang-rang ka 2025, o ka latela tsela e latelang:
Qala ka tlhahlobo ea tšebeliso ea matla (ena ke motheo oa tsamaiso eohle)
Khetha likarolo tse sebetsang hantle haholo: LiFePO4 + MPPT + phanele e le 'ngoe ea kristale e sebetsang hantle haholo
E-ea pele ho li-inverters le libeteri (li ama botsitso ba sistimi)
Ho kenya saense: angle + ho senya mocheso + tšireletso
Eba setho sa tsamaiso ea bohlale (EMS/BMS)
Bokhoni ba katoloso ea polokelo (mokhoa oa 2025 ke "katoloso ea katoloso")
Hafeela u latela mehato e ka holimo, u ka haha sisteme ea betri ea "solar backup" e sebetsang hantle e le kannete, e le hore u ka ba le mohloli oa matla o tsitsitseng le o ikemetseng tikolohong efe kapa efe.
Ikutloe u lokolohile ho ikopanya le rona bakeng sa quote!