2020-11-23
Umuyoboro wa TUV Solar Panel Cable 4MM 1500V
Umurongo wa DC niwohereza umurongo uva kuri sisitemu ya fotovoltaque module kugeza kuri inverter nyuma yo guhuzwa nagasanduku.Niba inverter ari umutima wa kwaduka kwaduka ya sisitemu yose, noneho sisitemu ya DC trunk umurongo ni aorta.Kuberako sisitemu yumurongo wa DC ifata igisubizo kidafite ishingiro, niba umugozi ufite ikosa ryubutaka, bizangiza byinshi kuri sisitemu ndetse nibikoresho kuruta AC.Kubwibyo, abahanga ba sisitemu ya PV baritonda cyane kubijyanye ninsinga za DC kuruta abandi ba injeniyeri b'amashanyarazi.
Guhitamo nezaUmuyoboro w'izuba DCkuri sisitemu ya Photovoltaque yashyizwe murugo cyangwa mu biro ni ingenzi kumikorere n'umutekano.Intsinga zikomeye z'izuba zagenewe kwimura ingufu z'izuba ziva mubice bimwe bya sisitemu mukindi kugirango zihindurwe ingufu z'amashanyarazi.Umugozi wawe wumuringa wa burimunsi uzakora akazi neza kandi birashoboka ko uzarangirana no kunanirwa na sisitemu.
Isesengura ryuzuye ryimpanuka zinyuranye, twanzuye ko amakosa yubutaka bwa 90-95% byamakosa yose.Hariho ibintu bitatu nyamukuru bitera amakosa yubutaka.Ubwa mbere, inenge yo gukora insinga ni ibicuruzwa bitujuje ibyangombwa;icya kabiri, ibidukikije bikora birakaze, gusaza karemano, kandi byangijwe nimbaraga zo hanze;icya gatatu, kwishyiriraho ntabwo bisanzwe kandi insinga zirakomeye.
Hariho imizi imwe gusa itera ikosa ryubutaka - - ibikoresho byo kubika insinga.Ibidukikije bikora byumurongo wa DC wumuriro wamashanyarazi birasa nabi.Amashanyarazi manini yubutaka muri rusange ni ubutayu, ubutaka bwa saline-alkali, hamwe nubushyuhe butandukanye ku manywa, hamwe n’ibidukikije cyane.Ku nsinga zashyinguwe, ibisabwa mu kuzuza no gucukura imiyoboro ya kabili ni ndende;n'ibidukikije bikora amashanyarazi yagabanijwe ntabwo aribyiza kurenza hasi.Intsinga zizahanganira ubushyuhe bwo hejuru cyane, kandi ubushyuhe bwo hejuru burashobora no kugera ku 100-110 ℃.Ibisabwa bitazimya umuriro hamwe na flame-retardant ibisabwa byinsinga, hamwe nubushyuhe bwo hejuru bigira uruhare runini kumashanyarazi yameneka ya insinga.
Kubwibyo, mbere yo gushiraho no gukoresha sisitemu, ugomba kwemeza ko ubunini bwumugozi wizuba washyizweho buringaniye nubu na voltage ya sisitemu.Hano hari ibintu bimwe na bimwe, bigomba kugenzurwa mbere yo gufungura sisitemu;
1. Menya neza ko voltage yagenwe ya kabili ya pv dc ingana cyangwa irenze voltage yagenwe ya sisitemu.
2. Menya neza ko ubushobozi bwo gutwara amashanyarazi yizuba bingana cyangwa burenze ubushobozi bwo gutwara sisitemu.
3. Menya neza ko insinga zifite umubyimba kandi urinzwe bihagije kugirango uhangane n’ibidukikije mu karere kanyu.
4. Reba igabanuka rya voltage kugirango umenye umutekano.Drop Umuvuduko wa voltage ntugomba kurenga 2%.）
5. Kwihanganira voltage ya kabili ya fotovoltaque DC igomba kuba irenze voltage ntarengwa ya sisitemu.
Byongeye kandi, gutoranya no gushushanya insinga z'amashanyarazi ya PV DC kuri sitasiyo y’amashanyarazi nazo zigomba gutekereza: imikorere yimikorere ya kabili;itagira ubushuhe, irinda ubukonje n’ikirere irwanya insinga;imikorere irwanya ubushyuhe na flame-retardant imikorere ya kabel;uburyo bwo gushyira umugozi;ibikoresho bya kiyobora ya kabili (Umuringa wumuringa, aluminiyumu ya aluminiyumu, intoki ya aluminium) hamwe n’ibice byambukiranya umugozi.
Ihinduranya 6mm Solar Wire EN 50618
Inyinshi mu nsinga za PV DC zashyizwe hanze kandi zigomba kurindwa ubushuhe, izuba, imbeho, na ultraviolet.Kubwibyo, insinga za DC muri sisitemu zagabanijwe zifotora muri rusange zihitamo insinga zidasanzwe zemewe na Photovoltaque, urebye ibyasohotse mumashanyarazi ya DC hamwe na moderi ya Photovoltaque.Kugeza ubu, insinga zikoreshwa cyane zifotora DC ni PV1-F 1 * 4mm ibisobanuro.
Ubunini bwumugozi wizuba wahisemo kuri sisitemu biterwa na voltage ya sisitemu.Hejuru ya sisitemu ya voltage, yoroheje umugozi, kuko DC ya DC izagabanuka.Hitamo inverter nini kugirango wongere sisitemu ya voltage.
Igihombo cya voltage muri sisitemu ya Photovoltaque irashobora kurangwa nka: gutakaza voltage = gutambutsa amashanyarazi * uburebure bwa kabili * ibintu bya voltage.Birashobora kugaragara uhereye kuri formula ko igihombo cya voltage kijyanye nuburebure bwa kabili.Kubwibyo, ihame rya array to inverter and inverter to parallel point igomba gukurikizwa mugihe ushakisha kurubuga.Muri rusange, gutakaza umurongo wa DC hagati yumurongo wa Photovoltaque na inverter ntibishobora kurenga 5% yumubyigano wa voltage yumurongo wa array, kandi igihombo cyumurongo wa AC hagati ya inverter na point point ntigishobora kurenga 2% yumubyigano wa voltage ya inverter.Inzira ifatika irashobora gukoreshwa mugikorwa cyo gukora injeniyeri:△U = (I * L * 2) / (r * S)
Muri byo △ U: umugozi wa voltage ugabanuka -V
I: Umugozi ukeneye kwihanganira umugozi ntarengwa-A
L: Uburebure bwa kabili -m
S: agace kambukiranya igice cya kabili-mm²
r: Imikorere ya kiyobora-m / (Ω * mm²), umuringa r = 57, r aluminium = 34
Mbere yo kugura, nyamuneka reba igipimo kiriho cyumurongo wizuba.Kwihuza rya inverter, icyatoranijwe cya pv dc cyateganijwe cyikubye inshuro 1.25 inshuro ntarengwa zikomeza mumashanyarazi.Mugihe cyo guhuza hagati yimbere ya fotokoltaque no hagati yumurongo, icyatoranijwe cya pv dc cyateganijwe cyikubye inshuro 1.56 inshuro ntarengwa zikomeza mumashanyarazi.Buri ruganda rwose, nkaKwimuka, yasohoye imbonerahamwe yerekana urutonde rwubu rwinsinga zakozwe ukurikije ubunini nubwoko.Witondere guhitamo umugozi wubunini bukwiye, kuko insinga ntoya cyane irashobora gushyuha vuba kandi ikanagabanuka cyane kumashanyarazi, bizatera gutakaza amashanyarazi.
izuba ryizuba
Uburebure bwa kabili nabwo ni ikintu cyingenzi ugomba gusuzuma muguhitamo umugozi ukwiye wizuba.Mubihe byinshi, igihe kirekire insinga, ninziza yohereza.Ariko nibyiza gukoresha amategeko yoroshye yintoki kugirango ubare uburebure bwinsinga busabwa ukurikije ubushobozi bwa sisitemu.
Ibiriho / 3 = ingano ya kabili (mm2)
Ukoresheje iyi formula, urashobora kubona byoroshye ubunini bwa sisitemu yukuri kandi ikwiye kandi ukirinda impanuka zose cyangwa kunanirwa kwa sisitemu.
Igice cya insulasiyo (sheath) cyibicuruzwa byujuje ubuziranenge biroroshye, byoroshye kandi byoroshye, kandi hejuru yubuso burakomeye, bworoshye, butagira ubukana, kandi bufite ububengerane.Ubuso bwurwego rwimyenda (sheath) bigomba kuba bisobanutse kandi bidashobora kwihanganira Mark, ibicuruzwa bikozwe mubikoresho bitemewe, urwego rukingira rwumva neza, ruvunitse, kandi ntirukomeye.
Intsinga zisanzwe zizarangwa ninsinga zifotora.Shyiramo insinga zidasanzwe zifotora, kandi uruhu rwinyuma rwinsinga rwerekanwe na PV1-F1 * 4mm.
Igipimo cyigihugu gifite amakuru asobanutse kumurongo muto wuburinganire bwurwego rwimigozi hamwe nubunini buringaniye.Umubyimba wububiko busanzwe bwinsinga zirasa, ntabwo ari eccentric, kandi ucometse cyane kumuyobora.
Nibikoresho byinsinga bikozwe mubikoresho bikozwe mu muringa byera kandi bigakorerwa gushushanya cyane, gufunga (koroshya), no guhagarara.Ubuso bwabwo bugomba kuba bwerurutse, bworoshye, butarimo burrs, kandi gukomera gukomeye birasa, byoroshye kandi birakomeye, kandi ntibyoroshye kumeneka.Umugozi usanzwe ni umugozi wumutuku wumutuku.Intangiriro ya kabili ya Photovoltaque ni feza, kandi ibice byambukiranya intoki biracyari umuringa wumuringa.
Kiyobora irabagirana, kandi ingano yubuyobozi yujuje ibyangombwa bisabwa.Ibicuruzwa byinsinga ninsinga byujuje ibisabwa mubisanzwe, byaba aluminiyumu cyangwa umuringa, birasa cyane kandi nta mavuta, bityo DC irwanya imiyoboro yujuje ubuziranenge, ifite imiyoboro myiza kandi ikora neza.
Icyemezo cyibicuruzwa bisanzwe bigomba kwerekana izina ryuwabikoze, aderesi, nyuma yo kugurisha terefone ya serivisi, icyitegererezo, imiterere yihariye, igice cyizina (ubusanzwe kare kare 2,5, insinga 4 kare, nibindi), voltage yagenwe (insinga imwe-imwe ya 450 / 750V , ibyuma bibiri-byokwirinda ibyuma 300 / 500V), uburebure (igipimo cyigihugu giteganya ko uburebure ari 100M ± 0.5M), nimero yabakozi bashinzwe ubugenzuzi, itariki yo gukora, numero yigihugu yibicuruzwa cyangwa ikimenyetso cyemeza.By'umwihariko, icyitegererezo cyumuringa umwe wibanze wumuringa wa plastike wanditseho ibicuruzwa bisanzwe ni 227 IEC01 (BV), ntabwo ari BV.Nyamuneka witondere abaguzi.
Nibicuruzwa bigira ingaruka ku bantu no ku mutungo, insinga zagiye zishyirwa ku rutonde nkibanze mu kugenzura no kugenzura leta.Inganda zisanzwe zigenzurwa nishami rishinzwe kugenzura buri gihe.Kubwibyo, ugurisha agomba kuba ashobora gutanga raporo yubugenzuzi bwishami rishinzwe kugenzura ubuziranenge, bitabaye ibyo, ubwiza bwibikoresho by’insinga n’ibikoresho bidafite ishingiro.
Mubyongeyeho, kugirango umenye niba ari insinga ya flame-retardant na kabili irasa, inzira nziza nukugabanya igice ukagitwika.Niba ikongeje kandi igatwika bidatinze, biragaragara ko atari umugozi utwika umuriro.Niba bifata umwanya muremure wo gutwika, nibimara kuva mumuriro wumuriro, bizimya ubwayo, kandi nta mpumuro mbi ihari, byerekana ko ari umugozi wa flame-retardant (insinga ya flame-retardant ntabwo iba idahwitse rwose, biragoye gutwika).Iyo yaka igihe kirekire, umugozi urabagirana uzaba ufite ijwi rito ryumvikana, mugihe umugozi udafite imirasire ntabwo.Niba yaka igihe kirekire, icyuma cyiziritse hejuru kizagwa cyane, kandi diameter nticyiyongereye cyane, byerekana ko imiti ihuza imirasire itakozwe.
Shyira insinga ya kabili mumazi ashyushye ya dogere 90, kurwanya insulasiyo ya kabili irasa rwose ntabwo bizagabanuka vuba mubihe bisanzwe, kandi bizaguma hejuru ya 0.1 megohm / km.Niba kurwanya bigabanuka vuba cyangwa munsi ya 0.009 megohm kuri kilometero, umugozi ntiwahujwe kandi urabagirana.
Hanyuma, ingaruka zubushyuhe kumikorere ya insinga ya fotovoltaque dc nayo igomba gutekerezwa.Ubushyuhe buri hejuru, niko ubushobozi bwo gutwara bwa kabili bugabanuka.Umugozi ugomba gushyirwaho ahantu hashyizweho umwuka hashoboka.
Umuyoboro wizuba wizuba 10mm2 H1Z2Z2-K
Guhitamo rero ingano yinsinga ya sisitemu ya Solar ni ngombwa kubikorwa byombi nimpamvu z'umutekano.Niba insinga zidafite umurongo, hazabaho kugabanuka gukabije kwingufu zinsinga bikaviramo gutakaza ingufu nyinshi.Byongeye kandi, niba insinga zidafite umurongo, harikibazo cyuko insinga zishobora gushyuha kugeza aho biganisha kumuriro.
Umuyoboro ukomoka ku mirasire y'izuba ugomba kugera kuri Bateri hamwe nigihombo gito.Buri mugozi ufite kwihanganira Ohmic.Kugabanuka kwa voltage kubera iyi myigaragambyo ukurikije amategeko ya Ohm:
V = I x R (Hano V ni voltage igabanuka hejuru yumugozi, R ni ukurwanya kandi ninjye).
Kurwanya (R) ya kabili biterwa nibintu bitatu:
1. Uburebure bwa Cable: Birebire umugozi, nibindi byinshi birwanya
2. Umugozi wambukiranya igice: Umwanya munini, ntoya ni ukurwanya
3. Ibikoresho byakoreshejwe: Umuringa cyangwa Aluminium.Umuringa ufite imbaraga nke ugereranije na Aluminium
Muri iyi porogaramu, umugozi wumuringa urakenewe.Insinga z'umuringa zifite ubunini ukoresheje igipimo cyo gupima: American Wire Gauge (AWG).Hasi ya numero ya guge, niko kurwanya insinga nkeya bityo rero umuyaga mwinshi urashobora gukora neza.
1. Imbaraga zumurima hamwe no gukwirakwiza insinga za AC ziringaniye.Ibikoresho byo kubika insinga byibanda kuri dielectric ihoraho, itatewe nubushyuhe;mugihe impungenge zo gukwirakwiza insinga za DC aribwo buryo ntarengwa bwo kubika insinga, bigira ingaruka ku kurwanya ibikoresho bya insulasiyo.Ingaruka ya coefficient, ibikoresho byo kubika ibintu bifite ubushyuhe bubi bwa coefficient phenomenon, ni ukuvuga ubushyuhe bwiyongera kandi kurwanya bikagabanuka;
Iyo umugozi urimo gukora, igihombo cyibanze kizamura ubushyuhe, kandi kurwanya amashanyarazi yibikoresho bya insuline ya kabili bizahinduka bikurikije, ibyo bizanatera impagarara zumuriro wumuriro wumuriro uhinduka.Muyandi magambo, urwego rwimiterere yubunini bumwe ruzahinduka bitewe nubushyuhe.Iyo yiyongera, imbaraga zayo zo gusenyuka zigabanuka uko bikwiye.Kumurongo wa DC wibice bimwe byamashanyarazi byagabanijwe, kubera ihinduka ryubushyuhe bwibidukikije, ibikoresho byo kubika insinga byashaje vuba cyane kuruta insinga zashyizwe mubutaka.Iyi ngingo igomba kwitabwaho byumwihariko.
2. Mugihe cyibikorwa byo gutunganya insinga ya kabili, imyanda imwe nimwe byanze bikunze izashonga.Bafite ubushobozi buke bwo kurwanya insulasiyo, kandi ikwirakwizwa ryayo ku cyerekezo cya radiyo yerekana urwego ntiruringaniye, ibyo nabyo bizatera ubukana butandukanye mubice bitandukanye.Munsi ya voltage ya DC, umurima wamashanyarazi wumurongo wa insulasiyo nawo uzaba utandukanye.Muri ubu buryo, ubwinshi bwimyanya irwanya izasaza vuba kandi bibe ikintu cyambere cyihishe cyo gusenyuka.
Umugozi wa AC ntabwo ufite iki kintu.Mubisanzwe, imihangayiko n'ingaruka z'ibikoresho bya kabili ya AC iringaniye muri rusange, mugihe impungenge zo gukumira insinga ya DC ya tronc buri gihe yibasiwe cyane nintege nke.Kubwibyo, insinga za AC na DC mubikorwa byo gukora insinga zigomba kugira imiyoborere nubuziranenge bitandukanye.
3. Intsinga ihuza polyethylene insinga yakoreshejwe cyane mumashanyarazi ya AC.Bafite ibintu byiza cyane bya dielectric nibintu bifatika, kandi birahenze cyane.Ariko, nkinsinga za DC, bafite ikibazo cyumwanya wo kugorana bigoye kugikemura.Ifite agaciro gakomeye mumashanyarazi ya DC.
Iyo polymer ikoreshwa mugukwirakwiza insinga ya DC, hari umubare munini wimitego yaho murwego rwo kubika, bikavamo kwirundanya kwishyurwa ryimbere mumbere.Ingaruka yumwanya wumwanya wibikoresho bigaragarira cyane mubice bibiri byingaruka zo kugoreka amashanyarazi ningaruka zo kugoreka amashanyarazi.Ingaruka ni mbi cyane kubikoresho.
Ibyo bita icyogajuru cyerekeza ku gice cyamafaranga arenze kutabogama kwingingo yimiterere yibintu bya macroscopique.Muburyo bukomeye, ikibanza cyiza cyangwa kibi cyumwanya uhujwe nurwego runaka rwingufu zaho kandi rutangwa muburyo bwa polaron ihuza imipaka.Ingaruka ya polarisiyasi.Ibyo bita space charge polarisiyasi ni inzira yo kwegeranya ion zitari nziza kuri interineti kuruhande rwa electrode nziza na ion nziza kuri interineti kuruhande rwa electrode mbi bitewe no kugenda kwa ion mugihe ion yubusa iba iri muri dielectric.
Mu muriro w'amashanyarazi wa AC, kwimuka kwibyiza nibibi byibikoresho ntibishobora kugendana nimpinduka zihuse mumashanyarazi yumuriro w'amashanyarazi, bityo ingaruka zumwanya ntizizabaho;mugihe mumashanyarazi ya DC, umurima wamashanyarazi ukwirakwizwa ukurikije ubukana, buzakora amafaranga yumwanya kandi bikagira ingaruka kumasaranganya yumuriro.Hano hari umubare munini wibihugu byaho muri polyethylene, kandi ingaruka zumwanya zirakomeye cyane.Ihuza rya polyethylene iringaniza igizwe na chimique ihuza kandi ni imiterere ihuza imiterere.Ni polymer itari polar.Urebye imiterere yose ya kabili, umugozi ubwawo ni nka capacitor nini.Nyuma yo kohereza DC ihagaritswe, Iringana no kurangiza kwishyuza capacitor.Nubwo intandaro yuyobora iba ifite ishingiro, ntishobora gusohoka neza.Umubare munini w'amashanyarazi ya DC uracyariho muri kabili, aricyo bita space charge.Ibiciro byumwanya ntabwo bimeze nkimbaraga za AC.Umugozi ukoreshwa nigihombo cya dielectric, ariko ukungahaye ku nenge ya kabili;guhuza imiyoboro ya polyethylene ikingiwe, hamwe no kwagura igihe cyo gukoresha cyangwa guhagarika kenshi hamwe nimpinduka zimbaraga zubu, izegeranya amafaranga menshi kandi menshi yumwanya.Kwihutisha gusaza umuvuduko wikigero, bityo bigira ingaruka mubuzima bwa serivisi.Kubwibyo, imikorere yimikorere ya kabili ya DC iracyatandukanye cyane niy'umugozi wa AC.
Dongguan Slocable Photovoltaic Technology Co, LTD.
Ongeraho Park Guangda Gukora Hongmei Ubumenyi n’ikoranabuhanga, No 9-2, Igice cya Hongmei, Umuhanda wa Wangsha, Umujyi wa Hongmei, Dongguan, Guangdong, Ubushinwa
TEL ： 0769-22010201
