Ho Hloleha ha Sisteme ea Letsatsi ea Off-Grid: Fuse ea Blown Class-T, Selaoli se Hakiloeng sa Chaji, le Pholiso ea Banka ea Betri.¶

Ha kh'abine e kantle ho gridi, moaho, ntlo e nyane, kapa ntlo e hole e felloa ke matla a motlakase oa letsatsi nakong ea boemo ba leholimo ba mariha, ho hloleha ho eketseha ka potlako ho tloha tsietsing ho ea tlokotsing ea polokeho ea bophelo. Ntle le 12-volt, 24-volt, kapa 48-volt DC matla a betri le 120-volt kapa 230-volt AC inverter output, licheso tsa diesel parking li koala bohareng ba potoloho, lipompo tsa liliba le lihlatsoa tsa UV li emisa ho phalla, li-respirator tsa CPAP le concentrators ea oxygen lia khutsa, le lithiamu-lithium iron kapa PO $_text phosphate (PO $_text phosphate) le lithium iron libanka li kotsing ea ho timetsoa ka ho sa feleng. Ho hobe le ho feta, ho leka ho seta botjha Battery Management System (BMS) kapa ho nkela fuse e ka sehloohong e fefolwang ka tatellano e fosahetseng ya motlakase ho ka romela 100-volt ho ya ho 450-volt open-circuit array array surge ka kotloloho ho transistors ea MOSFET ea molaoli oa tefiso, ea senya molaoli ka har'a shaoara.

Libanka tsa betri tsa "low-voltage direct current" (DC) li boloka matla a maholo a phoso: "mofutsana o shoeleng ka har'a banka ea lithium ea 12-volt kapa 48-volt e ka hlahisa **3,000 ho ea ho 10,000 amperes ea nako e sa khaotseng **, e etsa mouoane oa tšepe ka har'a tšepe e qhibilihisitsoeng ka hare ho halofo ea motsotsoana kapa o sa tima mollo oa motlakase. Haeba banka ea betri e ntse e tsuba, e letsa mololi, e ntša hydrogen e chefo kapa khase ea hydrofluoric, kapa e tletse mocheso o tsoang ka har'a mocheso, tsoa ka kamoreng kapa koloi hang-hang 'me u letsetse nomoro ea hau ea tšohanyetso ea lehae.911 United States le Canada, 112 ho pholletsa le European Union, 999 United Kingdom) kapa sheba rona dinomoro tsa tshohanyetso directory. Bakeng sa likoluoa ​​tse amanang le lisebelisoa tsa marang-rang, bona ho hloleha ha matla a letsatsi, metsi le litšila, bophelo ba van le maemo a tshohanyetso a bodulo ba koloi, le ho tima ha motlakase bakeng sa li-concentrator tsa oksijene, li-ventilator le CPAP.

Etsa sena hona joale¶

1. *Sheba hore na ho na le mocheso o mongata oa beteri, mollo, kapa khase e chefo e kenang pele u tšoara sebaka se kampetsoeng. Ha u utloa monko o monate oa solvent (venting lithium electrolyte) kapa mahe a bolileng (a phehile khase ea lead-acid hydrogen sulfide), utloa lisele tse llang, kapa o bona mosi o nyolohang ka lebokoseng la betri, **u se ke ua bula. Khaola karolo e ka ntle ea solar e hakolang haeba e fumaneha ka ntle, tlosa moea o matla hang-hang, 'me u letse. 911 (112 kapa 999).
2. Mamela Molao oa Khauta oa Khaollo: Kamehla tima Solar PV Array Disconnect PELE o hakolla Battery Bank ho selaoli sa tjhaja sa MPPT. Ho hakolla banka ea betri ha liphanele tsa letsatsi li ntse li hoketsoe ka har'a sesebelisoa sa ho tjhaja, ho tlosa sink ea motlakase oa motlakase, ho baka hore motlakase oa letsatsi o bulehe ($V_{oc MOS) le FET ho isa ho $V_
3. Mamela Molao oa Khokahano e Ntle ea Khauta: Kamehla hokela Banka ea Battery ho molaoli oa ho tjhaja PELE, ema metsotsoana e 30 hore skrini se qale ho qala le ho iphumanela 12V/24V/48V, ebe o hokela Solar PV Array LAST. Ho hokela liphanele tsa solar ho selaoli se se nang matla sa multi-voltage pele betri e hokeloa ho ka etsa hore sesebelisoa sa motlakase se hoketsoe hampe. 58 volts ho banka ea betri ea 12-volt.
4. Le ka mohla u se ke ua phenyekolla sesebelisoa se seholo sa betri se koaletsoeng mochine o hlakotsoeng ntle le ho tjhaja li-Capacitor pele. Li-inverters tse kholo tsa 1,500-watt ho isa ho 5,000-watt pure sine wave li na le li-capacitor tse kholo tsa ka hare tsa DC tse sebetsang joalo ka 0-ohm e shoeleng e khuts'oane bakeng sa li-milliseconds tsa pele tse 50 ha motlakase o hokahantsoe. Ho koala switch ea betri ntle le ho tjhaja pele ho hohela spike ea 1,000-ampere inrush spike e theolang lithium BMS ea hau ho notlella ka nako e khuts'oane, li-welds li koala mabitso, kapa li otla fuse ea hau ea Sehlopha sa T.
5. Haeba inverter kapa fuse ea hau ea mantlha ea Sehlopha sa T e shoele lefifing le leqhoa le batang, terata e matla ea 12V/24V (sefuthumatsi sa disele, lebone la LED, pompo ea metsi) ka kotloloho ho litheminale tsa betri ka fuse ea lehare la koloi. Sefetoleli sa AC se senya li-watts tse 15 ho isa ho tse 40 ka hora e ntse e lla ha e sa sebetse. Ho iphapanyetsa sefetoleli se shoeleng ho tsamaisa hitara ea hau ea diesel ea 12-volt le tjhaja ea mohala ka kotloloho ho tsoa bankeng ea betri ho boloka nako ea ho sebetsa ka makhetlo a mahlano ka bosiu bo le bong.
6. Le ka mohla u se ke ua leka ho tjhaja betri ea Lithium (\(\text{LiFePO}_4\)) eo mocheso oa lisele tsa eona o leng ka tlase ho likhato tse 0 tsa Celsius (32 degrees Fahrenheit). Ho tjhaja \(\text{LiFePO}_4\) betri ho etsa hore metallic lithium dendrites e kenelle holim'a carbon anode (lithium plating cell-circuit), le ho etsa ruin plating cell. Futhumatsa sebaka sa betri ho feta likhato tse 5 tsa Celsius (41 degrees Fahrenheit) pele u kenya motlakase oa ho tjhaja.

Sefate sa liqeto: Ho hlahloba tsamaiso ea letsatsi e lefifi e tsoang ho grid¶

flowchart TD
    A["Off-Grid Power Outage: Inverter Dead kapa Cabin Lefifi"] --> B{"A na ho na le mosi, lehe le bolileng kapa monko o monate o qhibilihisang, kapa mokotla oa betri o chesang?"}
    B -->|"E: Ho baleha ha mocheso kapa khase"| C["SE KE UA bula lebokose la betri; Tloha moeeng hang-hang 'me u letse 911/112/999"]
    B -->|"Che: Ho bata ebile ho khutsitse"| D["Lekanya motlakase oa DC ho Battery Studs vs. Busbar u sebelisa Digital Multimeter"]
    D --> E{"Multimeter e bala eng liteisheneng tsa betri?"}
    E -->|"0.0V ho isa ho 2.5V ho Lithium Battery (kapa 0V ka mor'a Fuse)"| F{"Sheba tsoelo-pele ea Fuse ea Sehlopha-T / ANL pele"}
    F -->|"Fuse e butsoe (Open Circuit)"| G["1. Koala Inverter le PV Array\n2. Lekola lithapo ho bona hore na ha ho na nako e telele hakae\n3. Li-Inverter Capacitor tse nang le Resistor pele li kenya li-spare Fuse"]
    F -->|"Fuse e tiile: Betri ka boeona e bala 0V"| H["LiFePO4 BMS e ts'ireletsong ea Boroko ba Voltage e tlase kapa e Khuts'oane"]
    H --> I["Hakolla meroalo eohle; pre-charge inverter KAPA kenya 13.6V wake pulse (hafeela betri> 0°C / 32°F)"]
    E -->|"Tloaelehileng Voltage (12.8V / 25.6V / 51.2V) ho Battery, Inverter Dead"| J["Hlahloba Inverter DC Breaker, Remote On/Off jumper, kapa Low Voltage Cutout"]
    J --> K["Haeba Inverter e halikiloe: Bypass Inverter le terata 12V Diesel Heater le USB Charger ka 15A fuse e kahare ho betri."]
    E -->|"Betri e Tlase (<11.5V / 23V / 46V) le MPPT Ha e Tjhe ka Letsatsi"| L["1. Hakolla PV Array FIRST\n2. Sheba PV Breakers le MC4 plugs\n3. Kopanya Battery FIRST, ebe PV Array"]

Molao oa 1: Tatelano e tlamang ea ho hakolla le ho hokela hape lilaoli tsa tefiso tsa letsatsi tsa MPPT.¶

Ha ho tingoa ka nako ea tšohanyetso, phoso e tloaelehileng le e theko e boima haholo eo baahi ba kantle ho grid ba e etsang ke ho qala bocha MPPT (Maximum Power Point Tracking) sehatsetsing sa motlakase oa solar ka ho tima le ho tima betri e kholo ha letsatsi le chabile holim'a liphanele tsa marulelo.

1. Hobaneng ha ho hakoa betri ha liphanele tsa solar li ntse li chesa, selaoli sa MPPT¶

Ho utloisisa hore na ke hobane'ng ha tatellano e le ea bohlokoa, hlahloba phapang ea motlakase pakeng tsa marulelo a hau le banka ea hau ea betri:

• Setsi sa letsatsi sa MPPT sa bolulo kapa sa cabin se na le li-solar tsa 2 ho isa ho tse 6 tse nang le mehala e mengata, tse hlahisang 75 ho isa ho 250 volts DC open-circuit (\(V_{oc}\)) (le ho fihla ho 450 volts DC ka li-inverters tse kholo tse nyalisitsoeng).
• Ka har'a molaoli oa tefiso oa MPPT, li-transistors tsa MOSFET tsa lebelo le phahameng ** le li-inductor tsa li-coil li etsa hore phanele ea 150-volt e theohele sebakeng se laoloang sa **14.4 volts (bakeng sa banka ea 12V), li-volts tse 28.8 (bakeng sa banka ea 24V), kapa 57.6 volts e sebelisa banka ea motlakase * 48 volts (bakeng sa banka ea motlakase) monya metsi.
• Ho etsahala'ng ha betri e khaoha ha e ntse e le tlas'a khatello: Haeba u tima sesebelisoa se seholo sa ho hakolla betri, kapa haeba BMS ea \(\text{LiFePO}_4\)' bhetri ea hau e bulehile ka lebaka la ho se leka-lekane ha sele ea motlakase kapa mocheso o batang, ha molaoli o ntse a sututsa li-amperes tse 40 ho tloha liphanele tsa letsatsi, ea hajoale ha e na moo e ka eang teng. Ka har'a li-microseconds, matla a khoheli a putlamang ho inductor ea MPPT e theha inductive flyback voltage spike e fetang sekhahla sa ho senyeha ha MOSFET, ho phunya boto ea kahare ea molaoli kapa ho etsa hore motlakase oa libese tsa 12V/24V DC o phahamise li-volts tse 60 le ho chesa mochini o mong le o mong oa 12-volt heater. pump, le router) e ntse e hokahane le boloko ba fuse ea DC.

2. The e tobileng mohato ka mohato Shutdown le Reboot tatelano¶

Ka hlooho le ho tšoaea tatelano ena leboteng la motlakase ka lesupa le sa feleng:

• Ho Theola kapa ho Seta Setaolo sa Tefiso bocha (SOLAR FIRST, BATTERY SECOND):
• Mohato oa 1: Koala ** tima ** the **DC Loads / AC Inverter ** hoo hona joale boima bo emisang ho phalla.
• Mohato oa 2: Tlosa Tlosa Solar PV Array Two-Pole DC Breaker / Isolator Switch (pakeng tsa liphanele tsa letsatsi le selaoli sa MPPT). Le ka mohla u se ke ua ntša li-connectors tsa letsatsi tsa MC4 ka menoana ea hau ha motlakase o ntse o phalla; ho notlolla sehokelo se phelang sa 150V DC MC4 ho hula arc e tsitsitseng ea plasma e qhibilihisang polaka ea polasetiki ebe e baka ho chesa ha arc. Haeba o haelloa ke PV breaker, lahlela kobo e teteaneng e opaque kapa letlapa la karete holim'a liphanele tsa letsatsi pele.
• Mohato oa 3: Ema metsotsoana e 15 hore 'malo oa PV oa molaoli oa MPPT o theohele ho 0 Volts.

• Mohato oa 4: Tlosa Tlosa Battery Breaker / Disconnect Switch (pakeng tsa banka ea betri le molaoli oa MPPT). Ema metsotsoana e 60 hore li-LED tsohle tsa taolo li fifale e le hore microprocessor e ka qala bocha.

• Ho Matlafatsa Selaoli sa Chaji (BATTERY FIRST, SOLAR SECOND):

• Mohato oa 1: Netefatsa ka multimeter hore banka ea hau ea betri e bontša motlakase o phomotseng (ka holimo ho 10.5V bakeng sa 12V, 21V bakeng sa 24V, kapa 42V bakeng sa 48V).
• Mohato oa 2: Bulela****Battery Breaker / Hakolla Switch PELE (ho hokela banka ea betri ho MPPT controller's BATT + le BATT - li-terminals ha liphanele tsa letsatsi li ntse li khaotsoe).
• Mohato oa 3: Ema **metsotsoana e 30 e tletseng **. Shebella skrine ea MPPT kapa sesebelisoa sa Bluetooth ha se qala 'me u netefatse hore molaoli o notletse motlakase o nepahetseng oa nominal system (12V, 24V, kapa 48V) le boemo bo nepahetseng ba khemistri ea betri (LiFePO4 vs. AGM vs. Flooded lead-Acid).
• Mohato oa 4: Bulela ** LATELA** Solar PV Array Two-Pole DC Breaker LAST. Nakong ea metsotsoana e 10 ho isa ho e 30, tracker ea MPPT e tla fiela motlakase oa phanele ebe e qala ho tjhaja ka bongata ka mokhoa o sireletsehileng.

3. Boemo ba leholimo bo batang "Hyper-VOC" (Hobaneng lilaoli tsa letsatsi li foka ha letsatsi le chabile -20°C hoseng)¶

Litsamaiso tse ngata tse kantle ho grid li sebetsa lehlabula le hoetla, ebe u halika selaoli sa bona sa tefo sa MPPT kapa u lahlele "Phoso ea 20 / PV Over-Voltage Fault" hoseng ha pele ho hlakileng, ho batang haholo mariha.

• The Physics of Cold Silicon: Solar photovoltaic cell li hlahisa matla a holimo ha a ntse a bata. Lethathamo la database la phanele ea letsatsi le thathamisa Open-Circuit Voltage ea lona (\(V_{oc}\)) laboratoring Standard Test Condition (STC) ea +25 degrees Celsius (+77 degrees Fahrenheit). Bakeng sa tekanyo e 'ngoe le e 'ngoe mocheso o theoha ka tlase ho +25°C, motlakase oa phanele o nyoloha ka 0.30 ho 0.35 lekholong ka tekanyo ea Celsius.
• The Winter Voltage Spike: Ka -25 degrees Celsius (-13 degrees Fahrenheit), ho theoha ka 50°C ka tlase ho 25°C reite, solar array's open-circuit voltage e nyoloha 16 ho liperesente tse 18 holimo ho feta setikara se ka morao ho liphanele. Haeba u kentse liphanele tse tharo tsa 45-volt ka letoto (\(3 \times 45\text{V} = 135\text{V}\) at 25°C) ho 150V-rated MPPT controller (e kang Victron SmartSolar 150/35), ha letsatsi le chabile -25°C hoseng ka mor'a lehloa le thellang ** DC**, e fetang siling ea 150V ea molaoli le ho khutsufatsa diode ea ts'ireletso ea ho kenya.
• Tlhahiso ea Tšimo ea Tšohanyetso ka Hoseng ho Hoamisang: Haeba molaoli oa hau oa MPPT a bonts'a Over-Voltage Fault hoseng ho tlase ho zero, tima PV breaker hang-hang, u ee lebokoseng la motsoako oa fatše kapa marulelo, 'me ** u lokolle ka nakoana phanele e le' ngoe ho tloha khoeleng ** (ho fetolela mohala o 3-in-series ho fihlela mocheso oa 3-in-series ho fihlela mocheso oa 2 ho fihlela mocheso o le mong). ho fihlela har'a mpa ea motšehare ha mocheso oa letsatsi o futhumatsa lisele tsa khalase ebe o theola matla a bona ka tlase ho moeli.

Molao oa 2: Mokhoa oa ho tjhaja li-inverter capacitor hore fuse ea hau ea BMS le Class-T e se ke ea foka.¶

Ha re re banka ea hau ea betri ea lithium e khopisitse BMS ea eona e ka hare ka bosiu bo le bong hobane mojaro o ile oa hula betri ho ea ho 10.0V low-voltage cutoff. Hoseng ho latelang, o leka ho phetetsa switch ea mantlha ea betri ho khutlela ho eona ON, 'me hang ha u bulela switch, ho utloahala lerata SNAP, betri BMS e khutlela ho 0.0V Short-Crcuit Protection, kapa fuse ea hau ea mantlha ea 250A Class-T.

1. Hobaneng ha inverter e shoeleng e shebahala joalo ka potoloho e khuts'oane e shoeleng ho Lithium BMS¶

Inverter e 'ngoe le e 'ngoe e nang le metsi a phahameng a DC-to-AC (1,000W ho isa ho 5,000W) e na le banka e kholo ea electrolytic DC bus filter capacitor ho pholletsa le li-studs tsa eona tse ntle le tse mpe ho thella sebopeho sa maqhubu a AC:

• Ha inverter e khaotsoe matla a betri ka nako e fetang metsotso e 2, li-capacitor tse ka hare li theohela ho ** 0.0 Volts ** 'me li sebetsa joaloka **0.001-ohm dead short circuit ** bakeng sa li-milliseconds tsa pele tse 10 ho isa ho tse 50 ha motlakase o sebelisoa hape.
• Ho otla betri ea 12.8V, 25.6V, kapa 51.2V \(\text{LiFePO}_4\) ka kotloloho ho 0-volt inverter capacitor ho hula hang-hang inrush current ea 800 ho isa ho 3,500 amperes.
• Chip ea BMS ea betri ea hau e bona spike ea 2,000-ampere, e nka hore ho etsahetse nako e khuts'oane, 'me e bula li-MOSFET tsa eona tsa kahare ka li-microseconds tse 200, e siea sistimi ea hau e shoele.

2. Mekhoa e meraro e bolokehileng ea ho Pre-Charge inverter capacitor ea hau tšimong¶

U tlameha ho ** tlatsa ("pre-charge") li-capacitor tsa inverter ho voltage ea betri ho feta metsotsoana e 5 ho isa ho e 10 ** ka sehanyetsi se thibelang hona joale pele ho koala switch e kholo ea betri kapa ho bolting the lug ea ho qetela ea cable.

flowchart TD
    A["U hloka ho hokela Banka ea Battery hape ho Inverter e Lahliloeng"] --> B["1. Koala Inverter Power Switch \n2. Bula Main Battery Switch (kapa tlohela Main Negative Cable Lug e sa bolt)"]
    B --> C{"O na le Sesebediswa sefe sa Pele ho Tefiso?"}
    C -->|"Khetho A: Mohanyetsi oa Pele ho Tefiso o Nehetsoeng (10 ho isa ho 50 Ohm, 25W-50W)"| D["Hold Resistor e lebisa ho li-studs tse bulehileng tsa Main Switch bakeng sa metsotsoana e 8"]
    C -->|"Khetho ea B: Leseli la Tlhahlobo ea Likoloi tsa 12V kapa Lebone la Lebone la Halogen"| E["Touch Bulb e lebisa ho li-studs tse bulehileng: Bulb e phatsima qalong, ebe e fifala ha li-capacitor li tlala (metsotsoana e 8)"]
    C -->|"Khetho ea C: Lebone la Lebone le tloaelehileng la 120V la Incandescent kapa Element ea Motheo ea Toaster"| F["Tšoara li-prong tse 2 tsa plug ea 120V Bulb kapa Toaster ho pholletsa le lisebelisoa tse bulehileng tsa DC bakeng sa metsotsoana e 10."]
    D --> G["Li-Capacitor li se li tletse 99% ho Battery Voltage: Zero spark"]
    E --> G
    F --> G
    G --> H["Hanghang Fetolela Battery e kholo ho ON (kapa koala sekoahelo) nakong ea metsotsoana e 3"]

Latela mokhoa ona oa mehato e 4:

1. Fetolela sesebelisoa sa 'mele sa ON/OFF sa Inverter ho OFF.
2. Khetha sehanyetsi sa hajoale se thibelang:
3. Hantle ka ho fetisisa: Sethibela maqeba sa ceramic se filoe lintlha tse 10 ohms ho isa ho 47 ohms (10W ho isa ho 50W).
4. Sesebediswa se ntlafalitsoeng sa 12V/24V: A 12-volt lebone la lebone la brake la koloi kapa lebone la halogen H4/H7 (eseng lebone la LED).
5. Sesebelisoa se ntlafalitsoeng sa 12V/24V/48V: Leha e le efe sesebelisoa se futhumatsang se sa sebetseng sa dijithale se nang le switch ea ON e butsoitseng, joalo ka lebone la khale la 60W incandescent lebone,** toaster e seng ea elektroniki**, ketlele ea motlakase, kapa*** liforomo tse peli tsa plug* tsa motlakase 12-ohm ho isa ho 100-ohm nichrome resistor).
6. Eketsa sekheo se bulehileng bakeng sa metsotsoana e 8 ho isa ho e 10: Ka thapo e kholo ea betri e hokahaneng 'me switch e kholo ea rotary e butsoe feela (kapa inverter lug e ts'oeroeng letsohong la hao la litlelafo), tobetsa lead e le 'ngoe ea resistor ea hau, tleloubu, kapa polaka ea kettle khahlano le Battery Side stud le lead e 'ngoe khahlano le Inverter Side bakeng sa motsotsoana 80.
7. Koala switch ea mantlha hang-hang: Ka mor'a metsotsoana e 2 ka mor'a hore u tlose sehanyetsi, tsebisa switch ea mantlha ho betri. ON (kapa koala mokotla oa cable holim'a stud). Ho tla ba le zero spark mme \(\text{LiFePO}_4\) BMS ya hao e tla dula inthaneteng.

Molao oa 3: Ho bapisa le ho nkela sebaka sa li-fuse tsa DC (Class-T vs. ANL vs. MEGA vs. MRBF)¶

Haeba multimeter ea hau e bonts'a **13.2V (kapa 26.4V / 52.8V) litsing tsa betri **, empa **0.0V ka lehlakoreng la inverter ea sets'oants'o sa hau se seholo sa fuse **, fuse ea hau e kholo e felisitsoe. Fuse e na le lintlha tse peli tse mahlonoko: ea eona Continuous Amperage Rating (e kang 200A) le Amperage Interrupting Capacity (AIC), nako e khuts'oane e phahameng ka ho fetisisa eo fuse e ka timang ntle le ho phatloha ka har'a plasma arc e tsitsitseng.

Molao oa 4: Ho Tsosa "Dead" (0.0V) \(\text{LiFePO}_4\) Betri ho Mokhoa oa ho Robala oa BMS¶

Ha betri ea \(\text{LiFePO}_4\) e felloa ke matla ho fihla ho liphesente tse 0 tsa State of Charge (e batla e ka ba 10.0V ho 12V, 20.0V ho 24V, kapa 40.0V ho 48V), Battery Management System (BMS) ea eona e ka hare e bula sesebelisoa sa eona sa ho tima. Joale liteishene tsa betri li bala 0.0 Volts (kapa phantom 1.2V ho ea ho 3.8V), le matla a letsatsi a bohlale a MPPT le li-charger tse bohlale tsa AC li hana ho bulela hobane li hloka ho bona bonyane 8.0V ho 9.0V liteisheneng ho bona betri e hokahaneng.

Mekhoa e mene ea ho "Tsoha" e robetse \(\text{LiFePO}_4\) BMS¶

Ntlha ea pele, netefatsa hore mocheso o ka hare oa betri o kaholimo ho likhato tse 0 tsa Celsius (32 degrees Fahrenheit), tlosa meroalo eohle ea khabin, 'me u sebelise o mong oa mekhoa ena e mene:

• Mokhoa oa 1: Bluetooth App Force-Start or Physical Reset Pinhole:
• Ho Victron SmartSolar MPPT (ha o bonesitsoe ke letsatsi), bula VictronConnect App, ea ho Settings > Battery, 'me u notlele ka letsoho motlakase oa lebitso (12V, 24V, kapa 48V) sebakeng sa Auto; MPPT e tla sutumelletsa voltage ea ho tjhaja ho litheminale ebe e tsosa BMS nakong ea metsotsoana e 5.
• Ho li-betri tsa rack tsa seva (EG4, SOK, Pylontech, Epoch), tobetsa konopo ea sefahleho e kentsoeng RESET kapa SW phunya ka paperclip metsotsoana e 3 ho isa ho e 5 ho koala MOSFET ka metsotsoana e 30 hore tjhaja ea hau e khone ho notlela.
• Mokhoa oa 2: Ho Tloha ka Parallel ho tloha Betering ea ho Qala Koloi (Bakeng sa 12V Systems):
• Sebelisa lithapo tsa koloi tsa jumper (kapa 12V lithium jump pack e fetoletsoeng ho "Manual Override / Boost Mode") ho hokela betri ea 12-volt e qalang koloi* ka ho bapela.+ ho +, - ho -) ho pholletsa le litheminale tse robalang tsa \(\text{LiFePO}_4\) bakeng sa metsotsoana e 10. BMS e tla utloa hore 12.6V, e koala li-MOSFET tsa eona li koetsoe, 'me e lumelle motlakase oa hau oa letsatsi kapa tjhaja ea AC ho qala ho tjhaja.
• Mokhoa oa 3: "9-Volt Smoke Detector Battery + 3x AA Battery" Wake Trick:
• O hloka feela 12.5 ho isa ho 13.5 Volts ho 0.01 Amps bakeng sa metsotsoana e 2 ho tsosa potoloho ea kutlo ea 12V BMS. Tšoara 9-volt rectangular battery ho tloha mochineng oa hau oa mosi ka ho latellana ka libetri tse tharo tsa 1.5-volt AA kapa AAA (\(9\text{V} + 4.5\text{V} = 13.5\text{V}\)) ebe o ama \(+13.5\text{V}-\)2$s e lebisang ho \(2\)s sleep\Li \(2\) le \(4\)Fe ha liphanele tsa hau tsa letsatsi li le letsatsing.
• Mokhoa oa 4: Ho futhumatsa Battery ea Cold-Cutoff \(\text{LiFePO}_4\) Betri ka Tlase ho 0°C (32°F):
• Haeba betri ea hau e baleha 12.8V ho ea ho 13.1V 'me e khantša mabone, empa e hana ho amohela tefiso efe kapa efe, BMS e ho Low-Temperature Charge Protection (LTCP) ka tlase ho 0°C (32°F). Le ka mohla u se ke ua sebelisa lelakabe le bulehileng kapa toche ea propane mokotlaneng oa betri. Pheha metsi setofong sa hau sa kampo, tlatsa libotlolo tse peli ** tse tiisitsoeng tsa metsi tsa Nalgene kapa linkho tsa Mason tse phuthetsoeng ka thaole e omeletseng **, li behe ka har'a lebokose la betri le insulated haufi le libeteri, 'me u koale sekoahelo. Nakong ea metsotso e 45, thermistor e ka hare e tla nyolohela holimo +5°C (+41°F) ebe e lumella ho tjhaja hape.

Molao oa 5: Emergency 12V / 24V-wiring bypass bypass ha AC inverter kapa MPPT controller ea hau e halikiloe.¶

1. Ho feta sefetoleli sa AC se shoeleng ho tsamaisa meroalo ea ho pholoha ka kotloloho ho DC¶

Boemong ba tšohanyetso ba mariha, lisebelisoa tsa hau tsa bohlokoa tsa ho pholoha (mocheso, leseli, le likhokahano) li sebetsa ka tlhaho ho 12-volt kapa 24-volt DC:

1. Hakolla inverter ea AC e shoeleng ka botlalo ho tsoa bankeng ea betri hore e se khone ho potlakisa kapa ho ntša betri.
2. ** Matlafatsa Heater ea hau ea Diesel Parking kapa Propane Furnace Blower ka ho otloloha:** Lifuthumatsi tsa moea tsa diesel tse kantle ho gridi (Webasto, Espar, Vevor) le RV propane furnace blowers li sebetsa ka kotloloho ho 12V DC (ho hula 10A ho 12A metsotso e 3 nakong ea ho bonesa ha plug e khanyang ho isa ho e tsoelang pele). Hokela thapo tse ntle le tse mpe tsa hitara e lebisa ka kotloloho ho li-studs tsa betri tsa 12V ka **15-ampere kapa 20-ampere fuse e inline ea lehare la koloi **.
3. Tla terata nakong ea tshohanyetso 12V Socket bakeng sa Mehala, Li-CPAP tsa Bongaka, le Li-Laptops: Bolt a 12V ea lisakerete tse bobebe (e nang le fuse e inline ea 10A) ka kotloloho ho liteishene tsa libeteri tsa 12V ho tsamaisa 12V USB-C PD tjhaja ea koloi kapa **12V DC e sebelisang matla a tlase ho feta liperesente tse 12V DC CPAPwhi e sebelisa matla a tlase ho feta liperesente tsa DC CP*0 bosiu. CPAP ka AC inverter).

2. Ho laola pulse-charging ka letsoho ha selaoli sa tjhaja sa MPPT se halikisitsoe¶

Le ka mohla u se ke ua kenya letoto la li-high-voltage series array (\(80\text{V}\text{ ho }200\text{V}\)) ka kotloloho ho betiri ea 12V. Leha ho le joalo, maemong a tšohanyetso a bophelo kapa a lefu ka molaoli oa MPPT ea shoeleng, o ka etsa Supervised Manual Pulse Charge u sebelisa phanele e le 'ngoe e tlase-tlase:

1. Hakolla li-jumpers tse holim'a marulelo kapa holim'a marulelo a fatše e le hore u sebelise feela Motho a le Mong oa Solar Panel eo motlakase oa eona o lumellanang le betri ea hau (hantle-ntle e le phanele e le 'ngoe ea 12V e nang le \(V_{mp}\) hoo e ka bang 18V ka beteri ea 12V, kapa phanele e le' ngoe ea 36V-40V ka beteri ea 24V).
2. Hakolla lisebelisoa tsohle tsa elektroniki tsa 12V/24V tse bobebe ho tloha bolukong ba fuse ea DC ha u ntse u tjhaja hore motlakase o se ke oa fihla lisebelisoa tsa hau ha BMS e tsamaea.
3. Hokela solar panel e le 'ngoe le betri ka 20A kapa 30A DC breaker ha u ntse u shebelletse multimeter ea dijithale e kentsoeng liteisheneng tsa betri. Matla a hang-hang a betri a fihla ho 14.0V (bakeng sa 12V), 28.0V (bakeng sa 24V), kapa 56.0V (bakeng sa 48V), Flip breaker ea letsatsi OMA ka letsoho. Le ka mohla u se ke ua siea phanele ea letsatsi e sa laoleheng e hokahaneng e sa lebelloa.

Linomoro tsa libaka tsa tšohanyetso le liprothokholo tsa mekhatlo¶

Ha ho hloleha ha motlakase o kantle ho grid ho baka mollo oa betri, ho pepeseha lik'hemik'hale, kapa ts'ohanyetso ea lisebelisoa tsa ts'ehetso ea bophelo, sebelisa likanale tsena tsa tikoloho:

• United States le Canada:
• Mollo oa Battery, Thermal Runaway, kapa Boemo ba Tšohanyetso ba Tšehetso ea Bophelo: Letsetsa 911. Tsebisa thomello hang-hang haeba mollo o kenyelletsa Lithium-Ion / \(\text{LiFePO}_4\) libeteri kapa Lead-Acid sulfuric acid / hydrogen gas.
• ** Khoutu ea Motlakase & Melao ea Tšireletseho ea Off-Grid:** Sheba ** Khoutu ea Naha ea Motlakase (NEC) Article 690 (Solar Photovoltaic Systems)** le ** Article 706 (Energy Storage Systems)**, hammoho ABYC E-11 / E-13 bakeng sa lisebelisoa tsa DC tsa mobile/marine.
• Tlhahiso ea Setsi sa Mohatsela se Feletseng / Setsi sa Mofuthumatsi: Haeba sistimi ea hau ea ho futhumatsa e kantle ho grid e sa sebetse maemong a leholimo a tlase ho zero, letsetsa 211 ho fumana sebaka sa bolulo se haufinyane sa maemo a tšohanyetso.
• United Kingdom:
• Tshohanyetso: Letsetsa 999 (Mollo le Pholoso kapa Ambulense), kapa 111 bakeng sa likeletso tsa ho felloa ke matla ha lisebelisoa tsa bongaka tse seng tsa tšohanyetso. Ingolise ho Priority Services Register (PSR) ea sebaka sa heno kapa letsetsa mohala oa tšohanyetso oa lihora tse 24 oa mofani oa hau oa NHS Home Oxygen.
• Mokhatlo oa linaha tsa Iropa:
• Tshohanyetso: Letsetsa 112 ho phatlalla le linaha tsohle tseo e leng litho tsa EU bakeng sa mello ea betri, ho chesoa ha asiti, kapa pholoso ea hypothermia. Latela **IEC 60364-7-712 ** le IEC 62619.
• Australia le New Zealand:
• Tshohanyetso: Letsetsa 000 Australia kapa 111 New Zealand. Lits'ebetso tse kantle ho grid li laoloa ke AS/NZS 5139 le AS/NZS 5033.
• India le Asia-Pacific:
• Tshohanyetso: Letsetsa 112 naheng ea India bakeng sa maemo a tšohanyetso a mollo le a bongaka.

Lenane la tlhahlobo ea lisebelisoa tsa motlakase tse kantle ho gridi¶

Kamore e 'ngoe le e 'ngoe e kantle ho gridi, van, seketsoana, kapa ntlo ea lehae e lokela ho boloka sesebelisoa sena sa tšohanyetso sa motlakase ka har'a lebokose le omeletseng le ngotsoeng haufi le phanele e kholo:

• 1. Multimeter ea Digital True-RMS e nang le Libetri tsa Spare: E ea hlokahala ho lekola voltage ea terminal le ho tsoela pele ha fuse.
• 2. Li-Fuse Tse peli tsa Spare Main Battery (Class-T, MRBF, kapa ANL) + Spare Blade Fuse (10A, 15A, 20A, 30A): Boloka li-fuse tse bolokiloeng li boltloe ka har'a khabinete ea motlakase.
• 3. Resistor e Ikemetseng ea Pele ho Tefiso (25-Ohm ho isa ho 47-Ohm, 25-Watt Ceramic Wire-Wound Resistor): Tobetsa ka har'a sesebelisoa sa hau se seholo sa betri metsotsoana e 8 pele o bulela switch ka mor'a leeto lefe kapa lefe la BMS.
• 4. 12V/24V Alligator-Clip-to-Cigarette-Lighter Bypass Cord with Inline 15A Blade Fuse: E matlafatsa hitara ea hao ea disele, tjhaja ea mohala, kapa 12V CPAP ka kotloloho ho tsoa liteisheneng tsa betri haeba busbar kapa inverter ea hau e hloleha.
• 5. Li-Wrenches tse Insulated tsa 10mm, 13mm, 14mm, le 17mm Box Box tse Koetsoeng ka Mekhahlelo e 3 ea Theipi ea Motlakase: E thibela li-circuits tse khutšoane tsa tsietsi ho tloha ho terminal ho ea ho terminal.

Lipotso tse botsoang khafetsa¶

Hobaneng ke tlameha ho hakolla liphanele tsa solar kamehla pele ke hokela banka ea betri ho selaoli sa ka sa tjhaja?¶

Selaoli sa charger sa letsatsi sa MPPT se sebelisa banka ea betri e hokahaneng e le tšupiso ea motlakase oa eona le buffer ea eona ea motlakase ho monya hajoale ho phalla ka har'a li-inductors tsa eona tse tlase. Haeba o hakolla betri ha liphanele tsa letsatsi li ntse li sutumelletsa matla ka har'a selaoli, tahlehelo ea tšohanyetso ea mojaro e baka hore ho be le sekhahla sa motlakase se khonang ho phunya li-transistors tse ka hare tsa MOSFET le ho romela li-volts tse 50 ho isa ho tse 150 tse kenang ka har'a lisebelisoa life kapa life tsa 12-volt tse ntseng li hokahantsoe le bese ea DC.

Hobaneng ha betri ea ka ea lithium BMS e kena ts'ireletsong ea potoloho e khutšoane nako le nako ha ke leka ho bulela switch switch ea ka?¶

Li-inverters tse kholo tse hloekileng tsa sine wave li na le li-capacitor tse kholo tsa ka hare tsa DC tse theohelang ho zero volts ha li khaotsoe. Ha o butse switch ea betri, li-capacitor tse se nang letho li sebetsa joalo ka 0-ohm e khuts'oane bakeng sa li-milliseconds tsa pele tse 20, li hula spike ea 1,000- ho ea ho 3,000-ampere inrush spike e tsosang ts'ireletso ea nako e khuts'oane ea betri ea lithium. Ho thibela sena, tšoara 10-ohm ho 50-ohm resistor, 12-volt incandescent automotive bulb, kapa li-plug tse peli tsa toaster ea motheo e seng ea digital ho pholletsa le li-terminals tse bulehileng bakeng sa metsotsoana e 8 ho tjhaja li-capacitor pele u koala switch e koetsoe.

Nka tsosa betri ea LiFePO4 joang e balang 0.0 volts ho multimeter ha tjhaja ea ka e bohlale e hana ho e lemoha?¶

Ha betri ea LiFePO4 e khaoha ho ea ho "low-voltage cutoff", BMS ea eona e ka hare e bula sesebelisoa sa eona se tiileng e le hore li-terminals li bale 0 volts, e leng se thibelang lisebelisoa tse bohlale tsa letsatsi le li-charger tsa AC ho lemoha hore betri e khomaretsoe. Ntlha ea pele, etsa bonnete ba hore betri e futhumetse ho feta likhato tse 0 tsa Celsius (32 degrees Fahrenheit), u hakolle meroalo eohle, ebe u kenya letsoho le lecha la 12.6- ho isa ho 13.6-volt ho pholletsa le litheminale metsotsoana e 5 ho isa ho e 10 u sebelisa lithapo tsa jumper tse tsoang betiring ea koloi, pakete ea ho tlola ka mokhoa oa letsoho, kapa sesebelisoa sa motlakase oa Bluetooth setaolong sa sesebelisoa sa hau sa motlakase.

Hobaneng ha molaoli oa ka oa tefiso ea MPPT a ile a akhela phoso ea PV Over-Voltage hoseng ha serame sa mariha ha se sebetsa hantle hlabula kaofela?¶

Solar photovoltaic cell li eketsa motlakase oa tsona o bulehileng ($V_{oc}$) ka hoo e ka bang karolo ea 0.30 ho isa ho 0.35 lekholong bakeng sa likhato tse ling le tse ling tsa Celsius mocheso o theoha ka tlase ho +25 degrees Celsius (+77 degrees Fahrenheit). Hoseng ha letsatsi le chabile la -25 degrees Celsius (-13 degrees Fahrenheit) hoseng, letoto la liphanele le hlahisa motlakase o phahameng ka liperesente tse 16 ho isa ho tse 18 ho feta tekanyetso ea data ea eona, e ka sutumetsang mahlaseli a lehlabula a 135-volt ho feta siling ea controller ea 150-volt. Tima PV breaker hang-hang 'me u fete ka nakoana phanele e le 'ngoe ho tsoa khoeleng nakong ea serame se matla.

A na nka khutlisa fuse ea Class-T e fefotsoeng bankeng ea betri ea lithium ka ANL kapa fuse ea MEGA?¶

Banka e kholo ea betri ea LiFePO4 e na le khanyetso e tlase haholo ea kahare mme e ka fana ka 5,000 ho 10,000 amperes ho potoloho e khuts'oane e shoeleng. Li-fuse tsa Class-T li tlatsitsoe ka lehlabathe la silika la arc-quenching le lekantsoeng ho sitisa ka mokhoa o sireletsehileng li-ampere tse 20,000 tsa DC hajoale, athe li-fuse tse tloaelehileng tsa 32-volt tsa MEGA le li-fuse tsa ANL tse sa reng letho li na le likhakanyo tse tlase tse sitisang (2,000 amperes kapa ka tlase) 'me li ka boloka plasma e le flame kapa e khuts'oane, haholo-holo ha plasma e phatloha kapa ho phatloha ho hoholo. Sistimi ea 48-volt.

Ke hobane'ng ha ho le kotsi ho tjhaja betri ea lithium iron phosphate (LiFePO4) ka tlas'a leqhoa, esita le ka ho phalla butle?¶

Ha electrolyte ea mokelikeli ka har'a sele ea LiFePO4 e theoha ka tlase ho likhato tse 0 tsa Celsius (32 likhato tsa Fahrenheit), li-ion tsa lithium ha li khone ho kena-kenana (slide) ka potlako ka ho lekaneng likarolong tse nyenyane tsa graphite anode nakong ea ho tjhaja. Ho e-na le hoo, lipoleiti tsa tšepe tsa lithium ka ho sa feleng holim'a anode, li senya matla a betri le ho hōla linale tse bohale tse nyenyane tse nyenyane (dendrites) tse ka phunyeletsang lera la karohano le ka hare le ho baka mollo oa ka hare oa potoloho e khutšoanyane. Kamehla futhumatsa betri ea lithium e hatselitsoeng ka holimo ho likhato tse 5 tsa Celsius (41 degrees Fahrenheit) pele u tjhaja.

Litataiso tse amanang¶

• Ho hloleha ha matla a letsatsi, metsi le matlakala a kantle ho grid
• Maemo a tshohanyetso a bophelo ba van le bodulo ba koloi
• Ho tima ha motlakase bakeng sa li-concentrator tsa oksijene, li-ventilator le CPAP
• Tšireletso ea ho futhumatsa tente le tarp: ho thibela mollo oa litente le carbon monoxide

Mehloli le tataiso ea semmuso¶

• Mokhatlo oa Sechaba oa Tšireletso ea Mollo (NFPA): * Khoutu ea Naha ea Motlakase (NEC / NFPA 70) Article 690 (Solar Photovoltaic Systems) le Article 706 (Energy Storage Systems) *.
• American Boat and Yacht Council (ABYC): Standard E-11 (AC le DC Electrical Systems on Boats) le Standard E-13 (Libetri tsa Lithium-Ion: Tšireletso e Feletseng le Litlhoko tse Sitisang Bokhoni).
• Lefapha la Matla a U.S. (DOE) le National Renewable Energy Laboratory (NREL): Photovoltaic Array Open-Circuit Voltage Temperature Coefficient Engineering Guidelines.
• Khomishene ea Machabeng ea Motlakase (IEC) le Maemo a Australia: IEC 62619 (Litlhoko tsa Tšireletseho bakeng sa Lisele le Libetri tsa Lithium tsa Bobeli) le AS/NZS 5139 (Tshireletso ea Ho Kenya Battery System).