Mumakore achangopfuura, iyo tekinoroji muindasitiri yephotovoltaic iri kukura nekukurumidza uye nekukurumidza. Zvakadai sesimba reimwe module riri kuramba richikura. Uye ikozvino yetambo iri kuwedzera kukura uye kukura. Neizvi zvinouya mukurumbira wePV tambo.
Sistimu dhizaini uye chikamu-chakakodzera overmatch inogona zvakare kuderedza mutengo wekutanga wekudyara. Zvadaro, mune photovoltaic system, kushandiswa kwepamusoro-simba-yakakwirira-yakasimba zvikamu uye zvikamu mushure mekukwirirana kwepamusoro. Iyo photovoltaic system tambo inofanira kuva nzira yekugadzira sarudzo.
Chekutanga ZMS tambo edhita inotanga kukutora iwe kuti unzwisise chii chinonzi PV tambo. Ichi chinyorwa chichakuunzirawo ruzivo rwekusarudzwa kwakanaka kwe photovoltaic cables.
Solar tekinoroji ichava imwe yeramangwana girinhi simba tekinoroji. Simba rezuva kana photovoltaic (PV) iri kuwedzera kushandiswa zvakanyanya muChina.
Mukuwedzera kune kukurumidza kukura kwehurumende-inotsigirwa photovoltaic magetsi emagetsi. Private investers vari kushingairira kuvaka zvidyarwa uye kuronga kuisa mukugadzira solar modules inotengeswa pasi rese.
Izvo zvimiro zvePV tambo zvinotemerwa neadzo tambo-chaiyo insulation uye sheathing zvinhu, yatinoti cross-linked PE. Mushure mekuvhenekerwa ne irradiation gasi pedal, iyo molecular structure ye cable material inoshandurwa, nokudaro kupa zvinhu zvayo zvega.
Saizvozvo, panguva yekuisa uye kugadzirisa, tambo dzinogona kufambiswa pamicheto inopinza yechivako chedenga.
Panguva imwe, tambo dzinoiswa pasi pekumanikidzwa, kukotama, kunetsana, kuyambuka-tension mitoro, uye kuvhunduka kwakasimba.
Kana iyo tambo sheath isina kusimba zvakakwana, iyo cable insulation ichakuvadzwa zvakanyanya, iyo inogona kukanganisa hupenyu hwese hwetambo kana kutungamira kune mapfupi maseketi, moto, uye njodzi dzekukuvara.
Iko kushanda kukuru kwe photovoltaic cables ndiko kushanda kwemagetsi.
Kuita kwemagetsi
1 PV Cable DC Resistance
Yapera tambo 20 ℃ kana iyo conductive musimboti DC kuramba isiri yakakura kupfuura 5.09 Oh / km.
2 Kunyudza Voltage Test
Tambo yapera (20 m) mukati (20 ± 5) ℃ nguva yekunyudzwa mumvura ye1h mushure me5-min voltage test (AC 6.5kV kana DC 15kV) haiputsi.
3 Yenguva Yakareba Dc Voltage Resistance
Sample urefu hwe 5 m, kupinda (85 ± 2) ℃ ine 3% sodium chloride (NaCl) mvura yakasvibiswa (240 ± 2) h, migumo miviri iri pachena pamusoro pemvura 30 cm.
Pakati pepakati nemvura pamwe neDC 0.9kV voltage (conductive core yakabatana kune yakanaka pole, mvura yakabatana nedanda risina kunaka).
Mushure mekutora mufananidzo weiyo mvura immersion voltage test, simba rekuedza ndiro AC 1kV, chinodiwa hachisi kuparara.
4 PV Cable Insulation Resistance
Yakapedzwa cable insulation resistance pa 20 ℃ haisi pasi pe 1014 Oh-cm.
Yakapedzwa cable insulation resistance pa 90 ℃ haisi pasi pe 1011 Oh-cm.
5 Sheath Surface Resistance
Iyo yakapedzwa cable sheath surface resistance inofanira kunge isiri pasi pe 109 Oh.
Performance Test
1 High-Temperature Pressure Test
Tembiricha (140±3)℃, nguva 240 min, k=0.6, indentation kudzika kwete kupfuura 50% yehupamhi hwese hwekuvhara uye sheath. uye AC6.5kV, 5 min voltage test, hapana kuparara kunodiwa.
2 Damp Heat Test
Sample inoiswa pa90 ℃ uye 85% kunyorova kwe1000h, uye mushure mekutonhodzwa kusvika kukamuri tembiricha. Shanduko yesimba rekusimba ndeye ≤-30% uye shanduko yekurebesa pakuzorora iri ≤-30% kana ichienzaniswa neiyo isati yaedzwa..
3 Kuenderana Test
Iyo tambo yakazara mushure me7 × 24h, (135±2)℃ kuchembera, kuvhara kuchembera kusati kwasvika uye mushure meyero yekuchinja kwesimba rekusimba ≤ ± 30%, chiyero chekuchinja kwekurebesa pakuzorora ≤ ± 30%.
Sheath kuchembera pamberi uye mushure meyero yekuchinja kwesimba rekusimba ≤ -30%, chiyero chekuchinja kwekurebesa pakuzorora ≤ ± 30%.
Saka, nzira yekusarudza ichangobva kubuda photovoltaic cable?
Chekutanga, yekuisa nzira yetambo, inofanirwa kuenderana nezvinodiwa zvinotevera.
1 Dzivisa mechanical kunze masimba, kupisa kwakanyanya, ngura, uye dzimwe njodzi kutambo.
2 Kuti asangane nekuchengetedza zvinodiwa pasi pemamiriro etambo iri pfupi.
3 Easy kuisa, kuchengetedza.
4 Dzivisa nzvimbo ichacherwa kuvaka.
5 Cable mune chero nzira yekuisa uye yayo yese nzira mamiriro ekumusoro uye pasi kuruboshwe uye kurudyi shanduko zvikamu, inofanira kusangana netambo inotenderwa kubhenda radius zvinodiwa.
DC Cable Selection by Component
DC tambo dzinoiswa muzuva, zvinokurudzirwa kusarudza tambo dzakakosha dze photovoltaics.
Kusiyana netambo dzakajairika, iyo nyaya ye photovoltaic cables inowedzerwa kuti irambe ultraviolet chiedza uye ozone.
Uye inogona kumira zvakanyanya kuchinja kwekushisa uye kukukurwa kwemakemikari, uye inogona kushandiswa kunze kweanopfuura 25 makore.
Photovoltaic cable mhando dzakawanda, iyo mhiri-chikamu nzvimbo ye 1.5 m ㎡ kuti 35 m ㎡ zviripo, kunyanya kushandiswa ndiko 4 m ㎡.
Nekuwedzera kwePV module ikozvino, uye kuwedzera kwe simba reimwe inverter. Kureba kwetambo kuri kuwedzerawo, uye kushandiswa kwe 6 m㎡ DC tambo iri kuwedzera zvakare.
Inowanzokurudzirwa kuti kurasikirwa kwe photovoltaic DC hakufaniri kudarika 2%, uye isu tinokwanisa kugadzira nekusarudza tambo dzeDC nechiyero ichi.
AC Cable Yakasarudzwa neInverter
Kuderedza mari, iyo PV simba rekudyara zvikamu uye inverters ikozvino haichawanzo gadziridzwa zvinoenderana nereshiyo ye 1:1, asi maererano nemamiriro echiedza, zvinodiwa zveprojekiti, etc.
Pane imwe chiyero che over-allocation.
Semuyenzaniso, yekugadzira magetsi ine a 1:1.2 overmatch, module iri 24kW, ine 20kW inverter.
Ungasarudza sei iyo AC tambo zvinoenderana nehupamhi hwazvino hweiyo inverter?
Nekuti nyangwe zvakadii, ma modules ari pamusoro-anoenderana. Iyo inverter ine yazvino yekumisikidza basa uye iyo AC yekupinda ikozvino haimbofa yakapfuura iyo yakanyanya ikozvino yeivhavha.
Anowanzo shandiswa AC copper tambo dzePV masisitimu iBVR neYJV uye mamwe akawanda mhando.
BVR zvinoreva mhangura musimboti PVC insulated flexible waya, YJV cross-yakabatanidzwa polyethylene insulated simba tambo, iyo sarudzo inofanirwa kubhadhara kune voltage level uye tembiricha yezinga retambo, uye inofanira kusarudza rudzi rwemoto retardant.
Aya ndiwo mamwe masayenzi pakusarudzwa kwetambo dze photovoltaic. Nekukurumidza kukura kwevanhu, kudiwa kwetambo kunongokwira nekukwira.
Uye nayo, kuchengetedzwa kwetambo kunobhadhara zvakanyanya. Kusarudza tambo yakachengeteka uye yakakodzera ibasa rehupenyu.
The the ZMS cable mugadziri inogara ichisimbirira pakupa tambo dzemhando yepamusoro, kukosha kwemari, basa rekufunga, uye zvigadzirwa zvakave neakasimba manyorero ekuongorora uye akavimbika.
