Photovoltaic cables ndiyo nheyo yekutsigira magetsi emagetsi mu photovoltaic systems.Kuwanda kwetambo dzinoshandiswa mu photovoltaic systems inodarika iyo yakawanda yemagetsi ekugadzira magetsi, uye zvakare chimwe chezvinhu zvinokosha zvinokanganisa kushanda kwehurongwa hwose.
Kunyange zvazvo photovoltaic DC uye AC cables inotora inenge 2-3% yemutengo wezvakagoverwa photovoltaic systems, ruzivo chairwo rwakaona kuti kushandisa tambo dzisiridzo kunogona kutungamirira mukurasikirwa kwakanyanya kwemutsara mupurojekiti, kugadzikana kwemagetsi mashoma, uye zvimwe zvinhu zvinoderedza. purojekiti inodzoka.
Naizvozvo, kusarudza tambo dzakakodzera kunogona kunyatso kudzikisa tsaona chiyero cheprojekiti, kunatsiridza kuvimbika kwekupa magetsi, uye kufambisa kuvaka, kushanda uye kugadzirisa.
Mhando dze photovoltaic cables
Zvinoenderana nehurongwa hwemafotovoltaic magetsi zviteshi, tambo dzinogona kukamurwa kuita DC tambo uye AC tambo.Zvinoenderana neakasiyana mashandisirwo uye nharaunda dzekushandisa, iwo akaiswa seanotevera:
DC tambo dzinonyanya kushandiswa ku:
Series yekubatanidza pakati pezvikamu;
Kubatana kwekubatana pakati petambo uye pakati petambo uye DC mabhokisi ekugovera (combiner mabhokisi);
Pakati peDC yekugovera mabhokisi uye inverters.
AC tambo dzinonyanya kushandiswa ku:
Kubatana pakati pe inverters uye nhanho-up transformers;
Kubatana pakati nhanho-up transformers uye kugovera midziyo;
Kubatana pakati pekugovera zvishandiso uye magetsi grids kana vashandisi.
Zvinodiwa zve photovoltaic cables
Iwo tambo dzinoshandiswa mu low-voltage DC transmission chikamu che solar photovoltaic simba rekugadzira system ine zvakasiyana zvinodiwa zvekubatanidza zvikamu zvakasiyana nekuda kwenzvimbo dzakasiyana dzekushandisa uye zvinodiwa zvehunyanzvi.Izvo zvinhu zvese zvinofanirwa kutariswa ndezvi: tambo yekuvharisa tambo, kupisa uye murazvo unodzoreredza kuita, anti-kuchembera kuita uye waya dhayamita yakatarwa.DC tambo dzinowanzoiswa kunze uye dzinoda kuve hunyoro-huchapupu, zuva-proof, kutonhora-proof, uye UV-proof.Naizvozvo, tambo dzeDC mune akagoverwa photovoltaic masisitimu anowanzo sarudza photovoltaic-yakasimbiswa tambo dzakakosha.Rudzi urwu rwekubatanidza tambo rinoshandisa kaviri-layer insulation sheath, ine yakanyanya kupikisa UV, mvura, ozone, asidhi, uye kukukurwa kwemunyu, kugona kwemamiriro ekunze-kwese uye kuramba kupfeka.Tichifunga nezve DC connector uye yakabuda ikozvino ye photovoltaic module, inowanzoshandiswa photovoltaic DC cables ndeye PV1-F1 * 4mm2, PV1-F1 * 6mm2, nezvimwewo.
AC tambo dzinonyanya kushandiswa kubva kudivi re AC reinverter kuenda kuAC musanganisi bhokisi kana AC grid-yakabatana kabati.Kune iyo AC tambo dzakaiswa kunze, hunyoro, zuva, kutonhora, UV dziviriro, uye kureba kwekuisa kunofanirwa kutariswa.Kazhinji, matambo emhando yeYJV anoshandiswa;kune tambo dzeAC dzakaiswa mukati, kudzivirira moto uye kudzivirira kwemakonzo nemasvosve kunofanirwa kutariswa.
Cable zvinhu kusarudzwa
Iyo DC tambo dzinoshandiswa mu photovoltaic magetsi zviteshi zvinonyanya kushandiswa kwenguva refu yekunze basa.Nekuda kwekushomeka kwemamiriro ekuvaka, zvibatanidza zvinonyanya kushandiswa kubatanidza tambo.Cable conductor zvinhu zvinogona kukamurwa kuita copper core uye aluminium musimboti.
Copper core tambo dzine zvirinani antioxidant kugona kupfuura aluminium, hupenyu hwakareba, kugadzikana kuri nani, kuderera kwemagetsi kudonha uye kuderera kwesimba kurasikirwa.Mukuvaka, cores yemhangura inonyanya kuchinjika uye inotenderwa kubhenda radius idiki, saka zviri nyore kutendeuka uye kupfuura nepapombi.Uyezve, copper cores inodzivirira kuneta uye haisi nyore kutyora mushure mekupeta kakawanda, saka wiring iri nyore.Panguva imwecheteyo, copper cores ine yakakwira mechani simba uye inogona kumirisana nehukuru hwemakina, izvo zvinounza kurerukirwa kukuru pakuvaka nekuisa, uye zvakare inogadzira mamiriro ekugadzira mechan.
Kusiyana neizvi, nekuda kwemakemikari ealuminium, aluminium core tambo dzinowanzoita oxidation (electrochemical reaction) panguva yekuisa, kunyanya kukwira, izvo zvinogona kutungamira mukukundikana.
Nokudaro, kunyange zvazvo mari yealuminium core cables yakaderera, nekuda kwekuchengetedzwa kweprojekti uye kushanda kwakasimba kwenguva refu, Rabbit Jun inokurudzira kushandisa tambo dzemhangura dzemhangura mumapurogiramu e photovoltaic.
Kuverenga kwe photovoltaic cable kusarudzwa
Rated current
Iyo mhiri-chikamu nharaunda yeDC tambo munzvimbo dzakasiyana dzeiyo photovoltaic system inotemerwa zvinoenderana neanotevera masisitimu: Iwo tambo dzekubatanidza pakati pe solar cell modules, tambo dzekubatanidza pakati pemabhatiri, uye tambo dzekubatanidza dzemitoro ye AC dzinowanzo kusarudzwa neyakayerwa. ikozvino ye1.25 nguva yakawanda inoenderera mberi kushanda ikozvino yetambo imwe neimwe;
tambo dzekubatanidza pakati pe solar cell arrays uye arrays, uye tambo dzekubatanidza pakati pemabhatiri (mapoka) uye inverters dzinowanzo kusarudzwa neyakayerwa ikozvino ye1.5 nguva yakawanda inoenderera ichishanda ikozvino yetambo yega yega.
Parizvino, kusarudzwa kwetambo muchinjiko-chikamu kunonyanya kuenderana nehukama pakati petambo dhayamita neazvino, uye pesvedzero yeambient tembiricha, kurasikirwa kwevoltage, uye nzira yekuisa pane yazvino kutakura kugona kwetambo inowanzo furatirwa.
Munzvimbo dzakasiyana dzekushandisa, ikozvino kutakura kugona kwetambo, uye zvinokurudzirwa kuti dhayamita yewaya inofanira kusarudzwa kumusoro kana ikozvino iri pedyo nekukosha kwepamusoro.
Kushandiswa kusina kunaka kwetambo duku-diameter photovoltaic cables kwakakonzera moto mushure mokunge ikozvino yakawandisa
Kurasikirwa kwemagetsi
Iko kurasikirwa kwemagetsi mu photovoltaic system inogona kuonekwa se: voltage kurasikirwa = ikozvino * cable urefu * voltage factor.Iyo inogona kuoneka kubva kune fomula kuti kupera kwevoltage kwakaenzana nehurefu hwetambo.
Nokudaro, panguva yekuongorora-nzvimbo, nheyo yekuchengetedza mutsara kune inverter uye inverter kune grid yekubatanidza nzvimbo padhuze sezvinobvira inofanira kuteverwa.
Muzvishandiso zvakajairika, iyo DC mutsara kurasikirwa pakati peiyo photovoltaic array uye inverter haipfuure 5% yeiyo array inobuda voltage, uye iyo AC mutsara kurasikirwa pakati peiyo inverter uye grid yekubatanidza nzvimbo haipfuure 2% yeiyo inverter inobuda voltage.
Mukuita kweinjiniya application, iyo empirical formula inogona kushandiswa: △U=(I*L*2)/(r*S)
△U: cable voltage donho-V
Ini: tambo inoda kumira neiyo yakanyanya tambo-A
L: tambo yekuisa kureba-m
S: cable cross-sectional area-mm2;
r: conductor conductivity-m/(Ω*mm2;), r mhangura=57, r aruminiyamu=34
Paunenge uchiisa akawanda akawanda-epakati tambo mumasumbu, dhizaini inoda kuterera kune mapoinzi
Mukushandisa chaiko, tichifunga zvinhu senge tambo wiring nzira uye zvirambidzo zvenzira, tambo dze photovoltaic system, kunyanya tambo dzeAC, dzinogona kunge dziine tambo dzakawanda dzepakati dzakaiswa mumasumbu.
Semuenzaniso, mune diki-inokwana matatu-phase system, iyo AC inobuda mutsara inoshandisa "imwe mutsara mana cores" kana "imwe mutsara mashanu cores" tambo;mune yakakura-inokwana matatu-phase system, iyo AC inobuda mutsetse inoshandisa tambo dzakawanda dzakafanana pane imwe-musimboti yakakura-dhayamita tambo.
Kana akawanda akawanda-epakati tambo akaiswa mumasumbu, iyo chaiyo yazvino kutakura kugona kwetambo inozoderedzwa neimwe chikamu, uye iyi attenuation mamiriro anofanirwa kutariswa pakutanga kwedhizaini dhizaini.
Cable yekuisa nzira
Mari yekuvaka yeinjiniya yetambo mune photovoltaic magetsi ekugadzira mapurojekiti inowanzokwira, uye sarudzo yekuisa nzira inobata zvakananga mutengo wekuvaka.
Naizvozvo, kuronga zvine musoro uye kusarudzwa kwakaringana kwetambo yekuisa nzira dzakakosha zvinongedzo mubasa rekugadzira tambo.
Iyo nzira yekuisa tambo inotariswa zvakakwana zvichienderana nemamiriro eprojekiti, mamiriro ezvakatipoteredza, tambo yakatarwa, modhi, huwandu uye zvimwe zvinhu, uye inosarudzwa zvinoenderana nezvinodiwa zvekushanda kwakavimbika uye nyore kugadzirisa uye musimboti wehunyanzvi uye hupfumi hwekunzwisisa.
Kuiswa kwetambo dzeDC mumapurojekiti ekugadzira magetsi e-photovoltaic kunyanya kunosanganisira kuvigwa zvakananga nejecha uye zvidhinha, kuisa kuburikidza nepombi, kuisa muzvimero, kuisa mumatanho etambo, kuisa mumatani, nezvimwe.
Kuiswa kwetambo dzeAC hakuna kunyanya kusiyana nekuisa nzira dzegeneral power system.
DC tambo dzinonyanya kushandiswa pakati pe photovoltaic modules, pakati petambo uye DC mabhokisi ekubatanidza, uye pakati pemabhokisi ekubatanidza uye inverters.
Vane nzvimbo diki dzakayambuka uye dzakawanda.Kazhinji, tambo dzinosungirirwa pamwe chete nemabhuraketi emodule kana kuiswa nemapombi.Pakuisa, zvinotevera zvinofanira kufungwa nezvazvo:
Pakubatanidza tambo pakati pemamodule uye tambo dzekubatanidza pakati petambo uye mabhokisi ekubatanidza, mabhuraketi emodule anofanirwa kushandiswa setsigiro yechiteshi uye gadziriso yekuisa tambo zvakanyanya sezvinobvira, izvo zvinogona kuderedza kukanganisa kwezvakatipoteredza zvinhu kusvika pamwero wakati.
Simba rekuisa tambo rinofanira kunge rakafanana uye rakakodzera, uye harifanirwe kunge rakanyanyisa.Musiyano wetembiricha pakati pemasikati nehusiku munzvimbo dzephotovoltaic kazhinji wakakura, uye kuwedzera kwekupisa uye kuputika kunofanirwa kudzivirirwa kudzivirira kuparara kwetambo.
Iyo photovoltaic material cable inotungamira pamusoro pechivako inofanira kufunga nezvese aesthetics yechivako.
Nzvimbo yekuisa inofanira kudzivirira kuisa tambo pamicheto inopinza yemadziro uye mabhuraketi kudzivirira kucheka nekukuya insulation layer kuti iite mapfupi maseketi, kana simba rekugera kucheka waya uye kukonzeresa matunhu akavhurika.
Panguva imwecheteyo, matambudziko akadai semheni yakananga inorova pamitsara yetambo inofanirwa kutariswa.
Ronga zvine musoro nzira yekuisa tambo, kuderedza kuyambuka, uye kusanganisa kuisa zvakanyanya sezvinobvira kuderedza kuchera kwevhu uye kushandiswa kwetambo panguva yekuvaka chirongwa.
Photovoltaic cable mari ruzivo
Mutengo weanokwanisa photovoltaic DC tambo pamusika parizvino unosiyana zvichienderana nenzvimbo yemuchinjiko uye vhoriyamu yekutenga.
Mukuwedzera, mari yetambo inoenderana nekugadzirwa kwechiteshi chemagetsi.Yakakwenenzverwa chikamu dhizaini inogona kuchengetedza kushandiswa kweDC tambo.
Kazhinji, mutengo we photovoltaic cables unotangira pa 0.12 kusvika 0.25/W.Kana ikadarika yakawandisa, zvingave zvakakosha kutarisa kuti dhizaini yacho inonzwisisika here kana kuti tambo dzakakosha dzinoshandiswa nekuda kwezvikonzero zvakakosha.
Summary
Kunyange zvazvo photovoltaic cables inongova chikamu chiduku che photovoltaic system, hazvisi nyore sezvinofungidzirwa kusarudza tambo dzakakodzera kuti ive nechokwadi chekushaya njodzi yeprojekti, kunatsiridza kuvimbika kwekupa magetsi, uye kufambisa kuvaka, kushanda nekugadzirisa.Ndinovimba kuti sumo muchinyorwa chino inogona kukupa imwe tsigiro yedzidziso mune ramangwana dhizaini uye sarudzo.
Ndapota inzwa wakasununguka kutibata kuti uwane rumwe ruzivo nezve solar cables.
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Nguva yekutumira: Jun-19-2024
