Solar Micro Inverter: Nafaw ani a kɛcogo ɲumanw

Tile sigibaga dɔ min bɛ San Diego, o ye panɛli 24-so sanfɛlan dɔ fɔ an ye, a ye min bila baara la salon. Panɛri tan ni fila tun ɲɛsinnen bɛ saheli ma, 8 tun ɲɛsinnen bɛ tilebin fɛ, ani naani tun bɛ sigi simini sumaya jukɔrɔ sanga saba kɔnɔ wulada o wulada. Ni juru inverter tun bɛ yen, o panɛli naani minnu bɛ sumaya, olu tun bɛna sɛrɛkili bɛɛ bɔli sama ka jigin ni 15–20% ye. Ni mikro-inverterw ye, panneau shaded dɔrɔn de ma baara kɛ ka ɲɛ - mugan tɔw tun bɛ baara kɛ ni u seko bɛɛ ye. O siratigɛ la, fanga tun bɛ 12% bɔ san o san ka tɛmɛ string inverter quote tun ye min fɔ. Dɔrɔmɛ 28.000 sigili kan, o 12% bɛ baara kɛ ni kuran marali ye dɔrɔmɛ 400 ɲɔgɔn na san o san san 25 kɔnɔ.

O de ye tile mikro invertɛri nafa jɔnjɔn ye : a bɛ panneau kelen-kelen bɛɛ tigɛli kɛ kuran sɛnɛyɔrɔ yɛrɛmahɔrɔnyalen ye, min lakananen don a sigiɲɔgɔnw ka gɛlɛyaw ma.

Solar Micro Inverter bɛ baara kɛ cogo min na

Tile mikro invertɛri ye minɛn fitinin ye - a ka c’a la, a bonya bɛ se gafe sɛbɛnfura ma - min bɛ sigi tile panneau kelen-kelen bɛɛ kɔfɛ. A bɛ DC (direct current) kuran min bɛ bɔ o panneau kelen in na, o bɛ wuli ka kɛ AC (alternating current) kuran ye o yɔrɔnin bɛɛ, a bɔyɔrɔ yɛrɛ la.

Laadalata juru inverter sitɛmu kɔnɔ, pannew bɛɛ bɛ siri ɲɔgɔn na ka tugu ɲɔgɔn na ani k’u ka DC bɔli faralen ɲɔgɔn kan balo inverter belebele kelen na. Ni panɛli kelen o kelen ma baara kɛ ka ɲɛ (sumaya, nɔgɔ, bɛnbaliya, walima nafama), o bɛ dan sigi kurunba la ka tɛmɛ juru bɛɛ fɛ - i n’a fɔ mobili min bɛ sɛgɛn dɔɔnin siraba kelen-siraba kan min bɛ mobili bɛɛ kɔsegin a kɔfɛ.

Microinverter (mikɔrɔ-inverter) bɛ o buteli-kɔnɔ-fɛn in bɔ yen. Panɛli kelen-kelen bɛɛ b’a yɛrɛ ka DC sɛmɛntiya ka kɛ AC ye a yɛrɛma. Panɛli min bɛ ni sumaya ye, o bɛ bɔnɛ a yɛrɛ ka bɔli la nka a bɛ nɔ zeru bila panɛli la a kɛrɛfɛ.

AC bɔli min bɛ bɔ mikroinverter kelen-kelen bɛɛ la, o bɛ tɛmɛ AC wiring standard fɛ ka taa i ka kuran panɛli la - DC juruw tɛ boli i ka so sanfɛ, u tɛ se ka tiɲɛ yɔrɔ kelen na, ani Noɛli-yeelen- nɔ tɛ kɛ yɔrɔ min na panɛri jugu kelen bɛ sistɛmu bɛɛ faga.

6 Nafa jɔnjɔn minnu bɛ sɔrɔ Solar Micro Inverters la

1. Fanga sɔrɔli hakɛ cayalenba cogoya dafabaliw la

So sanfɛla si tɛ dafalen ye. Jiriw bɛ falen, siminiw bɛ biɲɛw bɔ, siyɔrɔw bɛ biɲɛ bɔrɛw dilan, ani panɛri minnu bɛ so sanfɛlanw kan, olu bɛ tile yeelen sɔrɔ yɔrɔw la minnu tɛ kelen ye tile bɛɛ kɔnɔ. Microinverterw bɛ Maximum Power Point Tracking (MPPT) yɛrɛmahɔrɔnyalen kɛ panɛli kelen-kelen bɛɛ kan, ka tension ni current ɲuman bɔ modulu kelen-kelen bɛɛ la, a sigiɲɔgɔnw bɛ min kɛ, o mana kɛ cogo o cogo.

Diɲɛ kunnafonidilan lakikaw-b’o bɛ nin ko in kɔkɔrɔdon. Industriw ka sɛgɛsɛgɛliw y’a jira ko mikroinvertɛriw bɛ fanga di 5–25% ma ka tɛmɛ juru invertɛri sitɛmuw kan minnu bɛ bɛn ɲɔgɔn ma so sanfɛ minnu bɛ ni sumaya yɔrɔ dɔ ye. Hali so sanfɛlanw kan minnu ma sumaya, pannew dilanni muɲuli (±3–5% ka bɔ bɔli hakɛ la) ani funteni caman ɲɔgɔnna bɛ kɛ sababu ye ka bɛnbaliya caman kɛ fo a ka c’a la, mikroinvertɛriw bɛ 2–3% sɔrɔ juru invertɛriw kan.

2. Lakanali ɲuman - DC min ka bon-Voltage tɛ i ka so sanfɛ

String inverter system bɛ baara kɛ 300–600V DC ka tɛmɛ i ka so sanfɛ wiring kan. Tasuma walima kɔrɔtɔko la, o tension bɛ to ɲɛnamaya la fo ni tile yeelen ye pankurunw gosi - o ye faratiba ye tasumafagalanw ni dutigiw bolo.

Microinverterw bɛ baara kɛ ni tension dɔgɔman ye (30–60V DC panneau kelen kɔnɔ) wa u bɛ wuli ka kɛ AC ye o yɔrɔnin bɛɛ. Ni sistɛmu dafara, DC min maralen don ni tension kɔrɔ-voltage ye yɔrɔ si la so sanfɛ. O bɛ NEC 2017/2020 Rapid Shutdown (RSD) wajibiyalenw wasa a yɛrɛ la k’a sɔrɔ a mago tɛ dadonminɛn wɛrɛw la.

⚡ Pro Tip:N’i ​​bɛ mara kɔnɔ min bɛ NEC 2020 ka modulu-nivo teliya dabila wajibiya (voltaji ka kan ka jigin 80V duguma segin 30 kɔnɔ ani 1V duguma segin 30 kɔnɔ modulu la), mikroinvertɛriw bɛ sariya labato ka kɛɲɛ ni u yɛrɛ ma. String inverter systems mago bɛ MLPE hardware wɛrɛw la (power optimizers walima shutdown devices) walasa ka o kode kelen in dafa - musaka faralen ye $30–$60 ye panɛli kelen na min bɛ sɔngɔ danfara datugu ni microinverterw ye.

3. Panɛli-Nivo kɔlɔsili

Microinverter bɛɛ b’a ka panɛli kelen-kelen bɛɛ ka bɔli - voltage, current, power, ani energy production - fɔ kɔlɔsilikɛyɔrɔ dɔ la waati yɛrɛ la. Ni panɛli kelen jigira 30% bɔli la, i bɛ panɛli min ye tigitigi ani i bɛ se k’a sɛgɛsɛgɛ n’a ye sumaya ye, nɔgɔ, seli karilen don, walima ni ɲɔgɔndan ko don.

Ni juru inverter ye, i bɛ juru bɔli bɛɛ lajɛlen ye. Ni production (sɛnɛ) Dɔgɔyara, i b’a Dɔn ko fɛn dɔ ma ɲɛ nka i t’a Dɔn panneau (panneau) jumɛn. Gɛlɛyaw ɲɛnabɔli bɛ taa yɔrɔ lajɛ ni sɛgɛsɛgɛli minɛnw ye. String inverters bɛ se ka fara ɲɔgɔn kan ni power optimizers ye panel-level monitoring kama, nka o bɛ musaka ni gɛlɛya fara a kan.

4. Garanti jan, Daŋaniya ɲuman

Microinverter fanba bɛ san 25- garantiw ta - minnu bɛ bɛn tile pannew garantiw ma. A ka c’a la, juru inverterw bɛ san 12–15 garantiw ta, o kɔrɔ ye ko a ka c’a la, i bɛna string inverter falen siɲɛ kelen dɔrɔn i ka sistɛmu ka san 25 kɔnɔna na (a caman cili musaka: $1,000–$2,500 sigilen don).

Daŋaniya kunnafoniw b’o sinsin : mikroinvertɛriw dɛsɛ hakɛ bɛ boli 1 ɲɔgɔn na 800 o san fila fɔlɔ kɔnɔ, n’i y’a suma ni 1 ɲɔgɔn ye 350 la san fila invɛritɛriw la. Seko ni dɔnko dɔgɔyali unit kelen kɔnɔ, o kɔrɔ ye ko funteni degun dɔgɔyara, o min ye ɛntɛrinɛti yɔrɔw tiɲɛni sababu fɔlɔ ye.

5. Sistɛmu ka nɔgɔya

Panɛriw farali mikroinvertɛri sitɛmu kan, o ye ko tilennen ye - panɛri kura sigili, mikroinvertɛri kura nɔrɔli, ka ɲɔgɔn don AC wiring kɔrɔw la. DC string voltages re-engineering tɛ, inverter seko dan tɛ ka hami.

Ni juru inverter ye, pannew farali bɛ se ka tɛmɛ inverter ka doncogo seko walima a ka voltage window kan, o bɛ kɛ sababu ye ka string inverter kura bɛɛ kɛ. O bɛ kɛ sababu ye ka mikroinversɛriw kɛ sugandili ɲuman ye dutigiw bolo minnu b’a fɛ ka - bonya kɛrɛnkɛrɛnnenya la i n’a fɔfanga marayɔrɔwdɔ fara so kuran ta kan ani ka tile seko caman ɲini waati kɔnɔ.

6. Bɛn ni Batiri marayɔrɔ ye

Bi tile-plus-maralanw bɛ mikro-inverterw ni AC-batiriw faralen ɲɔgɔn kan. Microinverterw bɛ DC sɛmɛntiya ka kɛ AC ye panneau niveau la, ani batiri inverter danfaralen bɛ batiri banki chargement ni dischargement ɲɛnabɔ.

Nin architecture in bɛ brand flexibilité dafalen di - i ma datugu dilanbaga kelen ka ekosisɛti kɔnɔ tile ni marali fila bɛɛ kama. Walasa ka AC-coupled ani DC{3}}coupled architectures bɛ nɔ bila i ka marayɔrɔ baarakɛcogo ɲuman n’a musaka la cogo min na, o bɛ se ka suma ɲɔgɔn ma kosɛbɛ, aw ye an ka gafe lajɛ min bɛ kuma kanbatiri fanga marayɔrɔw bɛ baara kɛ cogo min na.

Micro Inverter ni String Inverter: Jatedenw

Ni juru inverterw bɛ se sɔrɔ hali bi:Ni i ka so sanfɛla ma sumaya, a ɲɛsinnen bɛ saheli-, ani pankurun bɛɛ bɛ awiyɔn kelen kan, juru inverter bɛ $0.10–$0.20/watt kisi ni o ɲɔgɔnna bɔli ye. Ni kW 10 sitɛmu ye, o ye dɔrɔmɛ 1000–2000 ye ka kɔn warimara ɲɛ. Nka i ka jateminɛ kɛ ni juru inverter kelen cili ye san 12 la ($1500 sigilen don), wa ɲɛnamaya musaka danfara bɛ dɔgɔya kosɛbɛ.

Solar Micro Inverters ka baarakɛcogo ɲumanw

Sigidaw sanfɛla gɛlɛnw.Aviyɔn caman-so sanfɛlanw, dormers, sanfɛlanw, siminiw, ani lamini jiriw bɛɛ bɛ sumaya yɔrɔ dɔ dilan. Microinverterw bɛ shade-related production bɔnɛw bɔ yen ani ka ROI caya panɛli kelen-kelen bɛɛ kan. Nin ye baarakɛcogo barikama ye mikro-invɛritɛriw la ani yɔrɔ min na 5–25% sɔrɔli tɔnɔ bɛ sɔrɔ juru invertɛriw kan, o bɛ ye kosɛbɛ.

-orientation installations ɲagaminenw.Panɛri minnu bɛ saheli, kɔrɔn ani tilebin so sanfɛlanw kan, olu bɛ tile yeelen hakɛ wɛrɛw sɔrɔ tile bɛɛ kɔnɔ. String inverter minnu bɛ ni pannew ye orientation caman kan, olu bɛ MPPT bɛnbaliya bɔnɛw tɔɔrɔ. Microinverterw bɛ orientation kelen-kelen bɛɛ ɲɛnabɔ u yɛrɛma.

So sanfɛla sigicogo misɛnninw (kW 4 jukɔrɔ).Ka ɲɛsin sow ka barada tile ma, so sanfɛla sitɛmu misɛnninw, walima daminɛyɔrɔw sigili kama, mikroinvertɛriw bɛ plug-ani-play nɔgɔya di. Modeli dɔw bɛ DIY commissioning dɛmɛ smartfon apps fɛ ni professionnel configuration baarakɛminɛnw tɛ.

Sistɛmu minnu bɛ se ka bonya.Sotigiw minnu b’a fɛ ka EV, funteni pɔnpe, walima...sigiyɔrɔ batiri marayɔrɔdon nataw la bɛ se ka daminɛ ni mikroinvertɛri sitɛmu fitinin ye ani ka panɛli-ka fara-panɛli kan ni fanga magow bɛ ka bonya.

Lakanali-daɲɛw sigicogo kɔrɔlenw.Lakɔlisow, dɔgɔtɔrɔsow, tasuma-fanga-yɔrɔw, ani sow minnu bɛ kungo tasuma-yɔrɔ minnu na, olu bɛ nafa sɔrɔ mikro-invertɛriw ka dabila teliya la sariya labatoli la min bɛ sɔrɔ u yɛrɛ la ani DC so sanfɛlanw ka teli ka -voltaji caman sɔrɔ.

Tuma min na i man kan ka Micro Inverseurs Sugandi

Jagokɛyɔrɔbaw sanfɛla minnu tɛ ni biɲɛ ye.Jagokɛyɔrɔ sanfɛla fla min janya ye kilowati 100 ye, ni balilan tɛ min na ani panɛri ɲɛsincogo kelen, o bɛ baara kɛ ka ɲɛ ni juru invertɛri sitɛmu ye. Musaka min bɛ bɔ sɛgɛsɛgɛli la ($0,10–$0.20/watt × 100.000 watt=$10.000–$20.000) o ka bon ni mikroinvertɛriw ka sɛnɛ nafa danma ye.

Lamini minnu ka funteni ka bon kosɛbɛ.Microinverterw bɛ sigi panɛriw kɔfɛ so sanfɛ - yɔrɔ min ka suma kosɛbɛ sistɛmu kɔnɔ. Hali ni u fanba bɛ IP67 hakɛw ta ani u bɛ baara kɛ fo ka se degere 65 ma , funteni jugumanba sabatilen bɛ kondansɛri kɔrɔya teliya. Kungo kɔnɔ, so sanfɛla funteni bɛ tɛmɛ degere 80 kan, juru inverter minnu sigilen bɛ yɔrɔw la minnu sumayalen don so sanfɛla jukɔrɔ, olu bɛ se ka mɛn ka tɛmɛ o kan.

Budget-dantigɛli, sigili nɔgɔmanw.Ni i ka so sanfɛla ma sumaya pewu-a ɲɛsin saheli ma ani ni baarakɛnafolo sirilen don, juru inverter bɛ fanga 97–98% di ni 60–70% ye inverter musaka la.

Micro Inverseurs bɛ ɲɔgɔn sɔrɔ cogo min na ni batiri marayɔrɔ ye

Sigida tile sugu yɔrɔ min bɛ bonya teliya la{0}}, o ye tile-plus-maralan ye, wa mikroinvertɛriw bɛ don ɲɔgɔn na cogo la min bɛ kɛ u yɛrɛ la AC ɲɔgɔndan fɛ. Topidiya bɛ baara kɛ nin cogo in na:

Panneaux solaires → Microinverseurs → bus AC → So doni / Grid / Batiri inverter → Batiri

Microinverterw ni batiri inverter bɛ baara kɛ u yɛrɛma AC bus kɔnɔ. U fila si tɛ tɔ kelen bali. Aw bɛ se ka mikroinvertɛri suguya o suguya sugandi ni batiri sitɛmu suguya bɛɛ ye - Enphase mikroinvertɛriw ni Polinovel LiFePO4 batiri banki, misali la.

Ka ɲɛsin dutigiw ma minnu bɛ jateminɛ kɛ nitile fanga batiri marali bɛ se ka dɔ bɔ u ka kuran musakaw la, microinverter + AC-batiri jɛlenw jɔcogo bɛ sɛgɛsɛgɛli sira nɔgɔman di : tile bila fɔlɔ, ka batiriw fara a kan kɔfɛ ni TOU hakɛw walima net metering caman yeli bɛ jo di wari bilali ma.

Walasa ka sistɛmu musaka bɛɛ lajɛlen faamuya i n’a fɔ batiri marali, a sigili, ani ROI kuntaalajan-, aw ye an ka jatebɔ dafalen lajɛbatiri fanga maracogo musakaw.

Ɲininkali minnu bɛ kɛ tuma caman na

Tile mikro inversɛriw bɛ mɛn waati joli kɔnɔ?

Microinverter fanba bɛ garanti sɔrɔ san 25 kɔnɔ, wa u dabɔra san 25–30+ baarakɛ waati kama. Sɛgɛsɛgɛli yɔrɔ fɔlɔ ye kuran-kondansɛri ye, min bɛ tiɲɛ joona ni funteni ka bon. Jogoɲumanya dilannikɛlaw bɛ baara kɛ ni filimu kondansɛriw ye walima derate electrolytic condensateurs walasa ka ɲɛnamaya jan kɛ.

Yala ne bɛ se ka micro inverter markaw ɲagami ni panneau suguya wɛrɛw ye wa?

Awɔ. Microinverterw ye kuran dɔnni ye - u bɛ sɔn DC donna voltage ni current hakɛ dɔ ma. Microinverter ka doncogo camanba bɛ bɛn i ka panneau ka Voc (da wulilen-circuit voltage) ani Isc (short-circuit current) ma funteni makɔnɔnen na min ka nɛnɛ ka bon kosɛbɛ, ani marka bɛɛ faralen ɲɔgɔn kan, o bɛ baara kɛ.

Yala mikro inversɛriw bɛ baara kɛ kuran tiɲɛni waati la wa?

Microinverter standardw bɛ da tugu rezow tiɲɛni waati (anti-gunw lakanani). Nka, rezo-mikɔrɔ-invɛritɛriw (i n’a fɔ Enphase IQ8 seriyali) bɛ se ka sigida mikro-rezo dɔ da ani ka doni nafamaw fanga dilan tigɛ waatiw la - ni batiri ye walima ni batiri tɛ a la. O se in nafa ka bon kɛrɛnkɛrɛnnenya la ni a ni abatiri fanga maracogoka ɲɛsin kɔpi janyalen ma.

Yala micro inverseurs ka kan ni musaka wɛrɛ ye wa?

So sanfɛlanw kan minnu bɛ sumaya walima minnu ka gɛlɛn, tigitigi - 5–25% sɔrɔli tɔnɔ faralen ɲɔgɔn kan san 25-garanti kan, a ka c’a la, o bɛ ɲɛnamaya kɔnɔ ROI ɲuman di ka tɛmɛ juru invertɛriw kan minnu sɔngɔ ka dɔgɔ. So nɔgɔmanw kan, minnu tɛ sumaya, wariko ko bɛ surunya, nka lakana, kɔlɔsili ani yiriwali nafaw bɛ nafa di hali bi. Factor in the possible cost of one string inverter replacement over 25 years, ani total-cost-ownership gap bɛ dɔgɔya ka se zeru kɛrɛfɛ cogoya fanba la.

Polinovel ka dilanw dafarabatiri fanga marayɔrɔwbɛ bɛn mikro-inverter plateforme belebelew bɛɛ ma AC coupling fɛ. I mana solar-plus-maralan kura sigi sen kan walima ka batiriw bila kɔfɛ microinverter array kɔrɔlen dɔ kan,aw bɛ se ka kuma an ka ɛntɛrinɛti jɛkulu fɛka ɲɛsin sistɛmu dilanni dɛmɛni ma ani hakɛ sɔngɔko ma.