Masu inverters na Photovoltaic suna da tsauraran matakan fasaha kamar talakawa inverters.Duk wani mai jujjuyawar dole ne ya hadu da alamun fasaha masu zuwa don ɗaukar samfur ƙwararre.
1. Fitowar Wutar Lantarki
A cikin tsarin photovoltaic, makamashin lantarki da ke haifar da tantanin hasken rana ana fara adana shi ta baturi, sannan a canza shi zuwa 220V ko 380V mai canzawa ta hanyar inverter.Koyaya, cajin baturi da fitar da shi yana shafar batirin, kuma ƙarfin fitarwar sa ya bambanta sosai.Misali, ga baturi mai lamba 12V, ƙimar ƙarfin ƙarfinsa na iya bambanta tsakanin 10.8 da 14.4V (wuce wannan kewayon na iya haifar da lalacewa ga baturin).Don ƙwararren inverter, lokacin da ƙarfin shigar da wutar lantarki ya canza a cikin wannan kewayon, canjin wutar lantarki mai tsayayye bai kamata ya wuce ± 5% na ƙimar da aka ƙima ba, kuma lokacin da kaya ya canza ba zato ba tsammani, karkacewar wutar lantarki kada ta wuce ± 10 % na ƙimar ƙima.
2. Waveform Karyawar Wutar Lantarki
Don masu jujjuya kalaman sine, yakamata a fayyace madaidaicin juzu'i mai izni (ko abun ciki mai jituwa).Yawancin lokaci ana bayyana shi azaman jimlar murdiya ta hanyar igiyar ruwa na ƙarfin fitarwa, ƙimar sa bai kamata ya wuce 5% ba (fitarwa na lokaci-lokaci yana ba da damar 10%).Tun da high-oda jitu halin yanzu fitarwa ta inverter zai haifar da ƙarin hasara irin su eddy halin yanzu a kan inductive load, idan waveform murdiya na inverter ne da yawa, shi zai haifar da tsanani dumama na load aka gyara, wanda ba conducive to. amincin kayan aikin lantarki kuma yana shafar tsarin sosai.ingancin aiki.
3. Mitar fitarwa mai ƙima
Domin lodi ciki har da injina, kamar injin wanki, firiji, da dai sauransu, saboda mafi kyawun mitar motar shine 50Hz, mitar yana da yawa ko ƙasa da yawa, wanda zai sa kayan aiki suyi zafi da rage ingancin aiki da rayuwar sabis. na tsarin.Mitar fitarwa ya kamata ya zama ƙimar kwanciyar hankali, yawanci mitar wutar lantarki 50Hz, kuma karkacewar sa ya kasance cikin ± 1% ƙarƙashin yanayin aiki na yau da kullun.
4. Load ikon factor
Ƙayyade ikon inverter don ɗaukar nauyin inductive ko capacitive.Matsakaicin nauyin nauyin mai juyawa na sine wave shine 0.7 zuwa 0.9, kuma ƙimar ƙima shine 0.9.A cikin yanayin wani nau'i mai nauyin nauyi, idan ƙarfin wutar lantarki na inverter yana da ƙananan, ƙarfin da ake buƙata na inverter zai karu, wanda zai kara yawan farashi kuma ya kara yawan ikon da ke cikin AC na tsarin photovoltaic.Yayin da halin yanzu ke ƙaruwa, ba makawa asarar za ta karu, kuma ingancin tsarin kuma zai ragu.
5. Inverter inganci
Ingantattun inverter yana nufin rabon ikon fitarwa zuwa ikon shigarwar ƙarƙashin ƙayyadadden yanayin aiki, wanda aka bayyana azaman kashi.Gabaɗaya, ƙimar ƙima na inverter na hotovoltaic yana nufin nauyin juriya mai tsabta, ƙarƙashin nauyin 80%.s inganci.Tun da yawan kuɗin da ake amfani da shi na tsarin hoto yana da girma, ya kamata a inganta ingantaccen inverter na photovoltaic, ya kamata a rage yawan farashin tsarin, kuma ya kamata a inganta ingantaccen tsarin tsarin photovoltaic.A halin yanzu, ingantaccen inverters na yau da kullun yana tsakanin 80% da 95%, kuma ana buƙatar ingantaccen inverters masu ƙarancin ƙarfi kada ya zama ƙasa da 85%.A cikin ainihin tsarin tsari na tsarin hoto, ba wai kawai ya kamata a zaba masu inverters masu inganci ba, amma a lokaci guda, tsarin ya kamata a daidaita shi da kyau don sanya nauyin tsarin hoto ya yi aiki a kusa da mafi kyawun ma'auni mai kyau kamar yadda zai yiwu.
6. Rated fitarwa halin yanzu (ko rated fitarwa iya aiki)
Yana nuna ƙimar fitarwa na halin yanzu na inverter a cikin ƙayyadadden kewayon ikon kaya.Wasu samfuran inverter suna ba da ƙarfin fitarwa mai ƙima, wanda aka bayyana a cikin VA ko kVA.Ƙarfin ƙididdiga na inverter shine lokacin da ƙarfin fitarwa ya kasance 1 (watau pure resistive load), ma'aunin ƙarfin fitarwa shine samfurin da aka ƙididdige fitarwa na halin yanzu.
7. Matakan kariya
Mai jujjuyawar da ke da kyakkyawan aiki ya kamata kuma ya kasance yana da cikakkun ayyukan kariya ko matakan da za a bi don magance wasu yanayi mara kyau yayin amfani da gaske, ta yadda mai inverter ɗin kansa da sauran sassan tsarin ba su lalace ba.
(1) Mai riƙe manufofin shigar da ƙarancin wutar lantarki:
Lokacin da ƙarfin shigarwar ya yi ƙasa da 85% na ƙimar ƙarfin lantarki, inverter ya kamata ya sami kariya da nuni.
(2) Shigar da asusun inshorar overvoltage:
Lokacin da ƙarfin shigarwar ya fi 130% na ƙimar ƙarfin lantarki, inverter ya kamata ya sami kariya da nunawa.
(3) Kariyar wuce gona da iri:
Kariyar da ta wuce-nauyi na inverter ya kamata ya sami damar tabbatar da aikin da ya dace lokacin da nauyin ya kasance gajere ko kuma na yanzu ya wuce ƙimar da aka yarda, don hana shi lalacewa ta hanyar hawan motsi.Lokacin da halin yanzu aiki ya wuce 150% na ƙimar ƙima, mai juyawa ya kamata ya iya kare kai tsaye.
(4) Garanti na gajeriyar kewayawa
Lokacin aikin kariyar gajeriyar inverter kada ya wuce 0.5s.
(5) Kariyar jujjuyawar shigar da bayanai:
Lokacin da aka juyar da sanduna masu inganci da mara kyau na tashoshin shigarwa, mai juyawa ya kamata ya sami aikin kariya da nuni.
(6) Kariyar walƙiya:
Mai inverter ya kamata ya sami kariya ta walƙiya.
(7) Sama da kariyar zafin jiki, da sauransu.
Bugu da kari, ga inverters ba tare da matakan daidaita wutar lantarki ba, mai inverter shima ya kamata ya sami matakan kariya daga wuce gona da iri don kare kaya daga lalatawar wutar lantarki.
8. Halayen farawa
Siffata ikon inverter don farawa tare da kaya da aikin yayin aiki mai ƙarfi.Yakamata a ba da garantin inverter don farawa da dogaro a ƙarƙashin ƙimar ƙima.
9. surutu
Masu canji, masu tace inductor, na'urorin lantarki na lantarki da magoya baya a cikin kayan lantarki masu ƙarfi duk suna haifar da hayaniya.Lokacin da inverter ke cikin aiki na yau da kullun, sautin sa bai kamata ya wuce 80dB ba, kuma karar ƙaramin inverter kada ya wuce 65dB.
Lokacin aikawa: Fabrairu-08-2022
