Cov txheej txheem:
- Kauj ruam 1: Sau koj cov peev txheej
- Kauj Ruam 2: Txiav Txim Siab Siv
- Kauj Ruam 3: Txuas Hnub Ci Panels hauv Arrays
- Kauj ruam 4: Npaj Load
- Kauj ruam 5: Kev npaj
- Kauj Ruam 6: Ntsuas Vaj Huam Sib Luag Parameters
- Kauj Ruam 7: Kho qhov MPPT Module kom haum rau Koj Xav Tau
- Kauj Ruam 8: Taug kev-hla, Kuv Qhov Tsoo 1
- Kauj Ruam 9: Cov Ntsiab Lus - Kuv Array 2
- Kauj Ruam 10: Cov Ntsiab Lus - Kuv Array 3
- Kauj Ruam 11: Cov Ntsiab Lus - Kuv Array 3 (Hnub pos huab)
Video: Solar Panel Array Nrog Suav MPPT Module: 11 Cov Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:24
Cov lus piav qhia luv luv ntawm kuv coj los ua cov hnub ci ci ua haujlwm tau zoo, thiab pheej yig dua ntawm qhov ntawd …
Kuv tsis tau lees tias ib qho ntawm cov ntsiab lus, lawv yuav tsuas yog kev thuam ntawm tus txiv neej vwm, qhov tseeb kuv ntseeg tias lawv ntseeg …
Qee cov duab tau pom hauv online thiab ntseeg tias yuav siv tau dawb, yog tias koj pom cov duab muaj cai tso rau kuv ib qho ntawv.
Kev ntsuas hnub ci vaj huam sib luag tsis yog coj los ua ib yam dab tsi tab sis phau ntawv qhia ntxaws heev, cov ntawv tshaj tawm tshwj xeeb yog qhov ua tau tiav raws li kev sim nrog cov teeb pom kev tshwj xeeb thiab lwm yam. Txawm li cas los xij, lawv muab lub hauv paus pib thaum txiav txim siab yuav ua dab tsi. Raws li kuv tau pom cov lus qhia tshwj xeeb tsuas yog sib piv hauv cov chaw tsim khoom lag luam, sib piv ntawm cov tuam txhab sib txawv yog lub sijhawm zoo tshaj.
Pheej yig hnub ci vaj huam sib luag tswj cov qauv tuaj yeem pom ntawm eBay, AliExpress lossis cov xaib zoo sib xws. Txawm hais tias sib txawv heev lawv txhua tus thov kom ua haujlwm zoo tshaj plaws rau kev ua kom zoo dua hnub ci kev ua haujlwm. Hmoov tsis lawv tsis qhia txhua qhov tseeb.
Thaum kuv tsim kuv thawj lub hnub ci vaj huam sib luag arrays ob peb xyoos dhau los Kuv yuav tsum tau sift los ntawm ntau cov ntaub ntawv ua ntej thaum kawg tau nkag siab qhov kuv tam sim no ntseeg tias yog qhov tseeb, tau kawg kev txhim kho txuas ntxiv tuaj yeem ua rau qee yam ua tiav tag kis.
Yeej muaj qhov kev xaiv ntawm PWM thiab MPPT tus tswj hwm, thiab rau hnub ci vaj huam sib luag MPPT yog txoj hauv kev mus.
MPPT tus tswj hwm sim siv lub hnub ci vaj huam sib luag qhov twg lub vaj huam sib luag muab lub zog tshaj plaws, MPPT = Max Power Point Tracking. Lwm hom kev tswj hwm yuav ua rau koj qis dua vim tias lub vaj huam sib luag yuav tsis ua raws li nws lub peev xwm tag nrho, qhov no muaj tseeb txawm tias koj siv pheej yig Suav vaj huam sib luag lossis lwm yam.
Qhov pheej yig Suav MPPT tus tswj hwm kuv siv yog qhov yooj yim heev, koj teeb MPP Voltage thiab tus tswj hwm sim ua kom nws nyob ntawd. Cov tswj hwm qib siab ntau ntxiv yuav ua "sweep" txhawm rau nrhiav MPP (qhov nkhaus tiaj tus). Cov uas pheej yig yog qhov zoo rau cov phiaj xwm yooj yim, tab sis yog tias koj xav nyem txhua qhov me me ntawm cov kua txiv los ntawm koj lub vaj huam sib luag koj tsis tuaj yeem hla qhov no-thiab ntxiv rau ntxiv koj tuaj yeem cia li nce txhua yam yam tsis tau nyeem qhov no "yuav ua li cas" …
Kauj ruam 1: Sau koj cov peev txheej
Ntxiv mus Kuv ua luv luv-taug kev ntawm cov kauj ruam kuv tau ua, yam ntawm turorial-ish.
Koj yuav xav tau cov hauv qab no.
- Hnub ci vaj huam sib luag (kuv siv ib pawg ntawm pheej yig Suav vaj huam sib luag los ntawm Ali, txuas nrog hauv arrays)
- MPPT module (Kuv siv cov qauv Suav pheej yig los ntawm Ali)
- Schottky diodes (1 rau ib lub hnub ci vaj huam sib luag)
- Lub zog tiv taus, qhov tseem ceeb (Kuv siv sib xyaw ntawm 10, 33, 47, 120, 330 Ohms, ntsuas 3/4/5/9/10W)
- Lub zog hloov pauv hloov pauv (Kuv siv 100 Ohms/2A swb resistor)
- DMMs, Kuv pom zoo 2, ib qho rau ntsuas DC Voltage thiab ib qho rau ntsuas DC Tam sim no
- Hloov DC qhov hluav taws xob qhov hluav taws xob
- Cov kab
- Npias, yuav xav tau ob peb yam yog tias huab cua zoo
Kauj Ruam 2: Txiav Txim Siab Siv
Dab tsi yog lub hom phiaj siv rau koj lub hnub ci vaj huam sib luag (s)?
Dab tsi yog qhov xav tau qhov hluav taws xob tso tawm los ntawm MPPT mpdule?
Hauv kuv qhov xwm txheej kuv muaj ob peb qhov zoo sib xws siv.
Array 1 - Them lub xov tooj ntawm tes siv thaum taug kev thiab tshuaj xyuas (Lub hom phiaj voltage 12.3V)
Array 2 - Them lub roj teeb lub cav trolling rau lub nkoj me me (12ft) rowing (Lub hom phiaj voltage 13.6V)
Array 3 - Them lub roj teeb pib rau lub nkoj me me (15ft) (Lub hom phiaj voltage 13.6V)
Kauj Ruam 3: Txuas Hnub Ci Panels hauv Arrays
Nyob ntawm koj qhov kev siv nws yuav tsim nyog los txuas lub vaj huam sib luag hauv kab lossis parallell, tej zaum txawm tias ua ke los ntawm qhov ntawd, kom ua tiav qhov tsim nyog Volts/Amps.
Kuv pib nrog soldering Schottky diodes nyob rau hauv qhov chaw, thiab tom qab ntawd txuas cov hlua sib txuas ntawm cov vaj huam sib luag los tsim cov arrays. Schottky diodes yog qhov tsim nyog vim tias cov vaj huam sib luag sib txawv me ntsis, thiab kuv tsis xav kom nkim lub zog los ntawm kev thim rov qab noj cov vaj huam sib luag.
Array 1: CNC145x145-6, Hnub Ci Hnub Ci. 4 vaj huam sib luag txuas hauv kab.
Array 2: CNC170x170-18, Hnub Ci Hnub Ci. 6 panels txuas nrog hauv parallell.
Array 3: CNC170x170-18, Hnub Ci Hnub Ci. 4 panels txuas nrog hauv parallell.
Kauj ruam 4: Npaj Load
Kuv tau siv lub zog ruaj khov tiv thaiv kab hauv kab tawm hauv daim ntawv tag ntev, qhov no yog txhawm rau hloov kho nrawm ntawm qhov thauj khoom ruaj khov los ntawm kev txav cov kais dej.
Qhov sib txawv ntawm lub zog hluav taws xob tiv thaiv tau txuas nrog hauv kab nrog cov tiv thaiv ruaj khov.
Kauj ruam 5: Kev npaj
Tos ib hnub nrog lub ntuj ntshiab, txawm tias huab me tshaj yuav cuam tshuam rau koj kev haus npias.
Muab cov khoom tso rau hauv lub hnub, xyuas kom tsis muaj qhov ntxoov ntxoo.
Tau kawg, yog tias koj tsuas muaj ib lub vaj huam sib luag tib qho kev ntsuas tau ua tiav rau qhov no.
Nco tseg: Huab cua zoo heev cuam tshuam rau qhov ua tau tiav, kuv twv yog tias cov vaj huam sib luag zoo dua tej zaum yuav cuam tshuam tsawg dua qhov pheej yig uas kuv muaj.
Pop qhib npias thiab txaus siab rau lub neej ib pliag, npaj npias thib ob yog tias xav tau.
Kauj Ruam 6: Ntsuas Vaj Huam Sib Luag Parameters
Cov kauj ruam no tseem ceeb dua, tshwj tsis yog koj siv qee qhov zoo nkauj tus kheej ntsuas MPPT tus tswj, uas kuv tsis yog …
Mus nrog nws
Rau txhua lub hnub ci vaj huam sib luag array kuv ntsuas cov ntsuas raws li hauv qab no.
1. Txuas DMM (teeb rau DC voltage) hla cov kab sib txuas, ntsuas thiab sau qhov hluav taws xob (Voc). Voc = _V
2. Tom ntej txuas DMM (teeb tsa rau DC tam sim no 10A) ntawm cov kab sib txuas, ntsuas thiab sau cia tam sim no (Isc). Ib = _A
3. Ua qee qhov ntsuas nrawm los txiav txim kwv yees li MPP (Max Power Point).
3a ib. Txuas DMM (DC qhov hluav taws xob) hla cov kab sib txuas thiab lwm DMM (DC tam sim no) hauv koob nrog kev thauj khoom.
3b xab. Sau qhov ntsuas Voltage thiab Tam sim no thaum sib txawv ntawm lub nra.
3c poj. Los ntawm kev suav lub zog rau txhua qhov ntsuas ntsuas sau npe (P = V x I) peb tuaj yeem txiav txim siab kwv yees li Max Power Point kwv yees. Kwv yees li MPP: _V
3d yib. Lwm txoj hauv kev (nrawm thiab qias neeg) kom tau txais kwv yees li MPP yog xam;
Vmpp = Voc x 0.8, Impp = Isc x 0.9
4. Xaiv cov ntsiab lus txuas uas tsim nyog rau cov tiv thaiv ruaj khov, tso cai tsom mus ntsuas ib puag ncig MPP (los ntawm 3c). Maj mam kho qhov sib txawv resistor thaum sau cov hluav taws xob thiab cov dej ntws.
Kuv sim txhawm rau 0.1V dhia ntawm kev ntsuas.
5. Rov ua dua lub zog ntsuas saum toj no thiab txiav txim siab Vmpp thiab Impp (qhov Max Power nyob qhov twg).
6. Tej zaum yuav txaus saib seb qhov ntsuas MPP piv rau xam MPP li cas;
Ntsuas MPP; Vmpp = _V, Impp = _A
Suav MPP; Vmpp = Voc x 0.8 = _V, Impp = Isc x 0.9 = _A
7. Ib tus tuaj yeem, tsuas yog rau kev lom zem, suav qhov Fill Factor ntawm qhov no, FF = (Vmpp x Impp) / (Voc x Isc)
Kauj Ruam 7: Kho qhov MPPT Module kom haum rau Koj Xav Tau
Saum toj no peb tau xaiv peb qhov xav tau qhov hluav taws xob tso tawm, qhov no nrog rau qhov ntsuas tau los ntawm 2.1 yuav yog qhov tseem ceeb rau kev kho MPPT tus qauv kom raug. Peb kuj yuav tsum paub txog qhov them nqi tam sim no (Ichg) thiab qhov twg them tam sim no tau txiav txim tiav (Idone).
Vmpp: _V / Vout: _V / Ichg: _A / Idone: _A
Txheej txheem:
1. Txuas DMM mus rau MPPT cov zis (teeb rau DC voltage)
2. Tig CC thiab CV trimpots puv lub moos, tig lub MPPT trimpot kom tsis txhob tig rov qab
3. Txuas qhov hloov pauv DC qhov hluav taws xob mus rau MPPT cov tswv yim, teeb hluav taws xob rau xoom ua ntej qhib.
4. Teem qhov hloov pauv DC qhov hluav taws xob rau Vmpp, maj mam tig MPPT trimpot raws lub moos kom txog thaum cov hluav taws xob tso tawm tsuas yog nres zuj zus.
5. Tig lub CV trimpot los rau ntawm lub moos kom txog thaum xav tau Vout.
6. Luv-Circuit tso tawm los ntawm DMM (teeb rau DC tam sim no 10A). Tig CC trimpot tiv thaiv-clockwise kom txog thaum xav tau Ichg teeb tsa.
7. LED trimpot kho qhov twg tam sim no LED yuav hloov xim, lub neej ntawd yog 0.1 x Ichg. Txhawm rau kho, txuas lub nra uas muab Idone, tig lub LED trimpot kom txog thaum LED hloov xim.
Nco tseg: Tsis muaj dab tsi yuav tshwm sim sib nrug ntawm LED hloov xim.
8. MPPT tus qauv tam sim no tau hloov kho thiab npaj rau siv.
Kauj Ruam 8: Taug kev-hla, Kuv Qhov Tsoo 1
Kev qhia tshwj xeeb:
Vaj huam sib luag: CNC145x145-6, 4 vaj huam sib luag hauv kab.
Medidas: 145 x 145 x 3 mm
Kev Ntsuas: 6V / 3W rau ib lub vaj huam sib luag. 4 vaj huam sib luag: 24V / 12W
1. Sau cov khoom xav tau.
2. Schottky diodes thiab kev sib txuas vaj huam sib luag twb muaj lawm.
3. Ntsuas teeb raws li qhia.
4. Kuv pib ntsuas Voc thiab Isc.
5. Tom ntej no kuv cuam tshuam me ntsis nrog lub nra kom tau txais kwv yees li MPP.
6. Kuv rov txhim kho kuv cov resistors ruaj khov yog li kuv tuaj yeem tsom mus rau kuv qhov kev ntsuas ib puag ncig MPP, Kuv tau ua ob ntu los sim txhawm rau txheeb xyuas qhov tseeb MPP.
Cov txiaj ntsig:
Lub hwj chim: 25.9V / Isc: 325mA
Vmpp: 20.0V / Impp: 290mA
Xam Pmpp: Vmpp x Impp = 5.8W
Tsuas yog lom zem thiab sib piv: Xam MPP; Vmpp = Voc x 0.8 = 20.7V, Impp = Isc x 0.9 = 292mA
Sau Qhov Tseeb: FF = (Vmpp x Impp) / (Voc x Isc) = 0.69
Hmoov tsis zoo li kuv tau muab cov ntaub ntawv ua haujlwm tsis zoo uas kuv tau siv, yog li tsis muaj kab kab lossis sau tseg rau cov kab ntawv no.
MPPT module hloov kho:
Tom ntej no yog MPPT kev hloov kho tus qauv.
Thaum xaiv Vout Kuv txiav txim siab tias kuv tuaj yeem ua kom lub roj teeb Li-Ion 12V ntau dua, lossis txuas qhov tso tawm mus rau 5V/2A USB charging module (cov tswv yim 7.5-28VDC).
MPPT module tau hloov kho siv cov hauv qab no:
Vin = 20.0V / Vout = 12.3V / Ichg = 600mA / Idone = 100mA
1. Kuv "rov pib dua" lub trimpots raws li tau piav qhia, txuas kuv DMMs, thiab teeb kuv qhov hloov pauv DC qhov hluav taws xob rau Vin = 20.0V
2. Kuv kho MPPT trimpot kom txog rau thaum qhov hluav taws xob tso tawm tsuas yog nres nce, tom ntej siv CV trimpot los teeb tsa qhov hluav taws xob rau Vchg = 12.3V
3. Kev luv luv-tso tawm los ntawm DMM (teeb rau DC tam sim no 10A) Kuv kho CC trimpot rau Ichg = 600mA
4. Txuas kuv lub resistor load Kuv hloov kho kom txog thaum kuv tau txais cov zis tam sim no = Idone = 100mA, tom ntej kho LED trimpot kom LED tsuas hloov xim.
5. Hloov pauv qhov kev lees paub tias LED hloov xim raws li qhov xav tau. Ua tiav!
Kauj Ruam 9: Cov Ntsiab Lus - Kuv Array 2
Kev qhia tshwj xeeb:
Vaj huam sib luag: CNC170x170-18, 6 vaj huam sib luag hauv parallell.
Medidas: 170 x 170 x 3 mm
Kev Ntsuas: 18V / 4.5W rau ib lub vaj huam sib luag. 6 vaj huam sib luag: 18V / 27W
Cov txiaj ntsig:
Lub hwj chim: 20.2V / Isc: 838mA
Vmpp: 15.6V / Impp: 821mA
Xam Pmpp: Vmpp x Impp = 12.8W
Lub vaj huam sib luag array xa me ntsis tsawg dua ib nrab ntawm cov ntsuas hluav taws xob.
MPPT kev hloov kho:
MPPT module tau hloov kho siv cov hauv qab no:
Vin = 15.6V / Vout = 13.6V / Ichg = 850mA / Idone = 100mA
Kauj Ruam 10: Cov Ntsiab Lus - Kuv Array 3
Kev qhia tshwj xeeb:
Vaj huam sib luag: CNC170x170-18, 4 vaj huam sib luag hauv parallell.
Medidas: 170 x 170 x 3 mm
Kev Ntsuas: 18V / 4.5W rau ib lub vaj huam sib luag. 4 vaj huam sib luag: 18V / 18W
Cov txiaj ntsig:
Lub hwj chim: 20.5V / Isc: 540mA
Lub hwj chim: 15.8V / Impp: 510mA
Xam Pmpp: Vmpp x Impp = 8.1W
Lub vaj huam sib luag array xa me me tsawg dua ib nrab ntawm cov ntsuas hluav taws xob.
MPPT kev hloov kho:
MPPT module tau hloov kho siv cov hauv qab no:
Vin = 15.8V / Vout = 13.6V / Ichg = 550mA / Idone = 100mA
Kauj Ruam 11: Cov Ntsiab Lus - Kuv Array 3 (Hnub pos huab)
Kev qhia tshwj xeeb:
Vaj huam sib luag: CNC170x170-18, 4 vaj huam sib luag hauv parallell.
Medidas: 170 x 170 x 3 mm
Kev Ntsuas: 18V / 4.5W rau ib lub vaj huam sib luag. 4 vaj huam sib luag: 18V / 18W
Cov txiaj ntsig:
Lub hwj chim: 18.3V / Isc: 29mA
Vmpp: 14.2V / Impp: 26mA
Xam Pmpp: Vmpp x Impp = 0.37W
Tib array thiab teeb raws li siv hauv qib dhau los, tab sis nrog cov txiaj ntsig sib txawv meej.
Piv rau ua tiav cov txiaj ntsig ntawm ib hnub tshav ntuj nws zoo heev cov vaj huam sib luag no yuav tsis siv ntau nyob hauv qab huab cua.
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