Cov ntsiab lus feem ntau Photovoltaic
Photovoltaic, cov nyhuv photovoltaic
Lub npe tag nrho yog cov nyhuv photovoltaic, uas yog qhov tshwm sim uas ib yam khoom absorbs photons los tsim electromotive quab yuam. Thaum ib yam khoom raug rau lub teeb, lub charger faib lub xeev nyob rau hauv cov khoom hloov thiab generates electromotive quab yuam thiab tam sim no.
Kev tsim hluav taws xob photovoltaic
Kev tsim hluav taws xob photovoltaic yog lub tshuab siv hluav taws xob photovoltaic ntawm lub semiconductor interface los hloov lub teeb hluav taws xob ncaj qha rau hauv hluav taws xob hluav taws xob.
Chav ntsuas ntsuas
watt (W), kilowatt (kW), megawatt (MW), gigawatt (GW), terawatt (TW).
Chav ntsuas hluav taws xob
Kilowatt-teev (kWh), uas yog, 1kWh ntawm hluav taws xob hluav taws xob yog 1 kWh.
Inverter
Nws yog ib qho ntawm cov khoom siv tseem ceeb hauv kev tsim hluav taws xob photovoltaic. Nws lub luag haujlwm tseem ceeb yog hloov tam sim no ncaj qha tsim los ntawm lub hnub ci hlwb rau hauv kev hloov tam sim no uas ua tau raws li lub zog zoo ntawm daim phiaj hluav taws xob. Los ntawm kev hloov dua siab tshiab ntawm inverter, cov khoom siv hluav taws xob ncaj qha tsim los ntawm lub hnub ci ntawm lub hnub ci tuaj yeem hloov mus rau hauv kev hloov pauv tam sim no, kom nws tuaj yeem lees txais los ntawm daim phiaj hluav taws xob thiab xa mus rau lub zog hluav taws xob.
Txoj hlua inverter
Ib lub cuab yeej ua haujlwm ywj siab siab tshaj plaws lub zog siab tshaj plaws taug qab rau ntau pawg (feem ntau 1-4 pawg) ntawm cov hlua photovoltaic thiab muab lawv tso rau hauv AC daim phiaj hluav taws xob los ntawm kev siv tshuab inverter. Cov yam ntxwv ntawm cov qauv inverter no yog tias lub zog ntawm txhua qhov siab tshaj plaws lub zog ncov nrhiav module yog qhov me me, ua rau nws tshwj xeeb tshaj yog tsim rau cov tshuab hluav taws xob faib hluav taws xob thiab cov tshuab hluav taws xob photovoltaic hauv nruab nrab.
Nruab muaj peev xwm
Hnub ci hlwb tuaj yeem txuas nrog hauv series thiab encapsulated los tsim ib cheeb tsam loj ntawm lub hnub ci cell modules. Cov qauv no, ua ke nrog lwm cov khoom xws li cov tswj fais fab, ua kom tiav cov khoom tsim hluav taws xob photovoltaic. Lub zog tsim hluav taws xob ntawm cov cuab yeej no yog hu ua lub peev xwm txhim kho, uas sawv cev rau lub zog siab tshaj plaws uas lub cuab yeej tuaj yeem tsim tau.
Peev xwm sib piv
Lub peev xwm sib piv piv yog hais txog qhov piv ntawm cov khoom muaj peev xwm ntawm qhov chaw nres tsheb photovoltaic rau lub peev xwm inverter, uas yog, lub peev xwm sib piv=photovoltaic system ntsia muaj peev xwm / photovoltaic system ntsuas peev xwm. Nyob rau hauv kev tsim thiab kev tsim kho ntawm photovoltaic fais fab chaw nres tsheb, lub peev xwm sib piv piv yog ib qho tseem ceeb parameter, uas qhia txog qhov sib txuam degree ntawm photovoltaic Cheebtsam thiab inverters.
Tsim nyog ua kom muaj peev xwm sib piv tau tuaj yeem txhim kho qhov kev siv ntawm lwm yam khoom siv hauv ib qho kev sib txawv, dilute cov peev txheej, txo cov nqi tsim kho thiab cov nqi tsim hluav taws xob, thiab ua kom cov khoom tso tawm smoother thiab txhim kho cov phooj ywg ntawm daim phiaj. Txawm li cas los xij, qhov muaj peev xwm sib piv ntau dhau kuj tuaj yeem ua rau qee qhov teeb meem, xws li tam sim no ntau dhau yuav ua rau cov kab poob thiab cov khoom poob, yog li txo cov kev ua haujlwm ntawm lub cev. Yog li ntawd, thaum xaiv qhov ntim piv, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xav txog ntau yam thiab ua kom tsim nyog tsim thiab xaiv raws li qhov tseeb.
AGC
Lub npe tag nrho yog Automatic Generation Control, uas yog lub zog tswj hwm lub zog. Nws teb rau cov lus qhia tswj chaw taws teeb uas muab los ntawm tus neeg xa khoom thiab ua kom zoo tshaj qhov kev xam los ntawm AGC module lub tswv yim tag nrho los ua kom cov ntaub ntawv khiav hauj lwm ua tau raws li qhov kev xa tawm thiab kab sib txuas. Qhov system no tsuas yog siv rau kev tswj hwm thiab kev tswj hwm ntawm lub tshuab hluav taws xob kom tswj tau qhov kev ruaj ntseg ntawm qhov system zaus thiab kev sib tshuam kab hluav taws xob, thaum ua kom muaj kev nyab xeeb thiab kev lag luam ntawm qhov system.
AVC
Lub npe tag nrho yog Tsis Siv Neeg Voltage Control, uas yog lub tshuab hluav taws xob hluav taws xob reactive. Nws teb sai sai rau kev xa cov lus qhia raws li daim phiaj hluav taws xob qhov hluav taws xob, hloov kho lub zog reactive, reactive them nyiaj pab kiag li lawm thiab lwm yam kev tswj cov tswv yim thiab cov sij hawm teb kom ua tiav cov hom phiaj kev tswj hluav taws xob thiab txo lub network poob.
Hauv lub zog hluav taws xob, qhov sib npaug ntawm lub zog reactive yog qhov tseem ceeb rau kev ruaj ntseg voltage thiab qhov zoo ntawm lub zog hluav taws xob. AVC sau cov ntaub ntawv ntawm lub sijhawm tiag tiag los ntawm daim phiaj hluav taws xob, suav nrog qhov hluav taws xob, lub zog hluav taws xob, thiab lwm yam, thiab tuaj yeem kho lub zog reactive raws li cov lus qhia xa mus thiab cov txheej txheem ua haujlwm kom tswj tau qhov voltage thiab txhim kho lub zog zoo.
Photovoltaic fais fab chaw nres tsheb tsis tshua muaj hluav taws xob caij-los ntawm tshuab
Nws txhais tau hais tias thaum qhov hluav taws xob ntawm qhov chaw nres tsheb hluav taws xob photovoltaic daim phiaj sib txuas lus hloov pauv vim yog daim phiaj tsis ua haujlwm lossis kev cuam tshuam, lub chaw nres tsheb photovoltaic tuaj yeem txuas rau daim phiaj tsis cuam tshuam hauv qee qhov ntau, yog li zam kev tsis sib haum xeeb los ntawm kab sib chaws tsis ua haujlwm lossis cuam tshuam thiab kom ntseeg tau tias kev ua haujlwm ruaj khov ntawm lub zog hluav taws xob.
Nruab nrab conversion efficiency
Qhov nruab nrab conversion efficiency yog ib qho tseem ceeb qhia los ntsuas lub peev xwm ntawm lub hnub ci hlwb los hloov lub teeb lub zog rau hauv hluav taws xob lub zog. Nws sawv cev rau qhov piv ntawm qhov zoo tshaj plaws tso zis hluav taws xob ntawm lub hnub ci cell rau lub hnub ci hluav taws xob hluav taws xob uas tau npaj rau nws qhov chaw. Qhov ntsuas no tuaj yeem cuam tshuam txog kev ua haujlwm zoo thiab zoo ntawm lub hnub ci cell hauv kev hloov pauv lub zog.
Tus nqi nruab nrab ntawm lub zog
Tus Nqi Nruab Nrab Ntawm Lub Zog (ACE) yog ib txoj hauv kev siv los ntsuas kev lag luam muaj peev xwm ntawm cov phiaj xwm hluav taws xob, tshwj xeeb tshaj yog rau cov phiaj xwm hluav taws xob txuas ntxiv xws li hnub ci thiab cua. Nws ntsuas los ntawm kev txiav txim siab tus nqi thiab lub zog tsim hluav taws xob thaum lub sijhawm ua haujlwm ntawm lub neej, uas tuaj yeem cuam tshuam ntau dua qhov txiaj ntsig kev lag luam mus sij hawm ntev ntawm qhov project.
Tus nqi nruab nrab ntawm lub zog yog xam los ntawm kev faib cov nqi tam sim no ntawm tus nqi hauv lub neej voj voog los ntawm tus nqi tam sim no ntawm lub zog tsim hluav taws xob thaum lub neej voj voog. Qhov ntsuas no tuaj yeem siv los sib piv cov nyiaj txiag muaj peev xwm ntawm cov phiaj xwm hluav taws xob ntawm ntau qhov sib txawv thiab hom. Feem ntau hais lus, qhov qis dua qhov nruab nrab tus nqi ntawm lub zog, qhov zoo dua ntawm kev lag luam ntawm qhov project.
Benchmark on-grid hluav taws xob nqi
yog hais txog tus nqi yuav khoom (tso se suav nrog) ntawm lub tuam txhab fais fab rau kev sib txuas hluav taws xob tsim hluav taws xob ntawm cov chaw tsim hluav taws xob photovoltaic centralized tsim los ntawm National Development thiab Reform Commission raws li cov khoom lag luam xws li cov nqi peev, kev tsim hluav taws xob efficiency thiab kev lag luam kev sib tw ntawm kev rov ua dua tshiab. hluav taws xob tsim hluav taws xob tej yaam num nyob rau hauv txawv cheeb tsam thiab hom.
Daim phiaj sib npaug
Grid parity txhais tau hais tias lub hnub ci hluav taws xob muaj peev xwm ua tiav qhov txiaj ntsig zoo ib yam li ib txwm siv hluav taws xob ntawm ob lub zog tsim hluav taws xob thiab cov neeg siv khoom, uas yog, cov txiaj ntsig ntawm photovoltaic fais fab tuag tuaj yeem lav qhov tsim nyog, thiab tus neeg siv khoom siv hluav taws xob kuj yog. qis dua tus nqi ntawm kev tsim hluav taws xob photovoltaic. Qhov no yog ib txoj hauv kev tseem ceeb kom ua tiav lub zog tauj dua tshiab raws li lub zog loj.
Fais fab tiam sab parity txhais tau hais tias photovoltaic fais fab tuag tuaj yeem ua tiav cov txiaj ntsig tsim nyog txawm tias nws tau yuav ntawm daim phiaj-txuas hluav taws xob tus nqi ntawm ib txwm muaj zog (tsis muaj nyiaj pab). Qhov no yuav tsum muaj kev txhim kho tas mus li thiab kev tsim kho tshiab hauv cov khoom siv hluav taws xob photovoltaic, thev naus laus zis thiab kev tswj hwm kom txo tau cov nqi hluav taws xob photovoltaic thiab txhim kho nws txoj kev lag luam thiab kev sib tw.
Tus neeg siv-sab parity txhais tau hais tias tus nqi ntawm cov khoom siv hluav taws xob photovoltaic qis dua tus nqi muag hluav taws xob, tso cai rau cov neeg siv yuav khoom hluav taws xob ntawm tus nqi qis. Qhov no yuav tsum tau hloov thiab kho dua tshiab ntawm lub zog ib txwm muaj los ntawm kev npaj tsim nyog thiab kev teem sijhawm ntawm kev tsim hluav taws xob photovoltaic, nrog rau kev saib xyuas zoo thiab kev tswj hwm ntawm kev lag luam hluav taws xob.
Raws li hom neeg siv thiab lawv cov nqi yuav khoom hluav taws xob, nws tuaj yeem muab faib ua kev lag luam thiab kev lag luam thiab thaj chaw neeg siv-sab parity. Txij li cov neeg siv khoom lag luam thiab kev lag luam muaj kev siv hluav taws xob loj thiab cov nqi hluav taws xob siab, lawv muaj kev thov siab thiab kev lees paub rau kev tsim hluav taws xob photovoltaic. Txawm li cas los xij, txij li cov neeg siv hauv tsev muaj kev siv hluav taws xob me me thiab cov nqi hluav taws xob tsawg, lawv yuav tsum tau ntxiv dag zog rau kev taw qhia thiab kev txhawb nqa ntawm txoj cai kev txhawb nqa thiab kev tshaj tawm thiab kev kawm.
Kev siv cov sij hawm ntawm cov cuab yeej tsim hluav taws xob
Kev siv cov sij hawm ntawm cov khoom siv hluav taws xob tsim hluav taws xob yog qhov taw qhia tseem ceeb los ntsuas kev ua haujlwm ntawm cov khoom siv hluav taws xob hauv ib cheeb tsam. Nws qhia txog cov sij hawm ua haujlwm nruab nrab ntawm cov cuab yeej tsim hluav taws xob hauv cheeb tsam raws li kev ua haujlwm puv ntoob hauv ib lub sijhawm. Hauv lwm lo lus, nws yog qhov piv ntawm lub zog tsim hluav taws xob rau kev teeb tsa lub peev xwm, cuam tshuam txog kev siv cov khoom siv.
Xav tias lub zog tsim hluav taws xob yog E thiab lub peev xwm nruab yog C. Tom qab ntawd, cov qauv siv rau cov sij hawm siv hluav taws xob tsim hluav taws xob yog: siv teev=E/C.
Raws li cov qauv no, peb tuaj yeem suav cov sijhawm siv cov khoom siv hluav taws xob hauv txhua lub sijhawm.
Raws li cov qauv: kev siv teev=E / C, piv txwv tias lub zog tsim hluav taws xob yog 10, 000 megawatt-teev thiab lub peev xwm nruab yog 5,000 megawatts, cov sij hawm siv yog :2 hnu.
Cov sij hawm siv txhua xyoo
Qhia qhov nruab nrab lub sijhawm ua haujlwm puv sijhawm ntawm lub tshuab hluav taws xob tau teeb tsa hauv ib xyoos. Cias muab, cov sij hawm siv txhua xyoo piav qhia txog kev ua haujlwm ntawm cov khoom siv hluav taws xob hauv ib xyoos.
Piv txwv tias cov sij hawm siv hluav taws xob txhua xyoo ntawm cov cuab yeej tsim hluav taws xob yog H, cov sij hawm siv txhua xyoo tuaj yeem nkag siab tias qhov kev faib ua feem ntawm lub sij hawm uas cov cuab yeej tsim hluav taws xob ua haujlwm tag nrho hauv 8760 teev hauv ib xyoos. Yog li, tus qauv lej tuaj yeem ua kom yooj yim rau qhov teeb meem sib npaug: H=teev ntawm kev ua haujlwm puv load / 8760 teev.
Dedicated kab nkag
Nws yog ib txoj hauv kev rau cov khoom siv hluav taws xob sib faib kom nkag mus rau daim phiaj hluav taws xob. Nws muab qhov chaw nkag siab rau cov khoom siv hluav taws xob sib faib kom ua tiav kev sib txuas nrog kev sib txuas hluav taws xob. Ntawm qhov chaw nkag mus no, cov khoom siv hluav taws xob faib tau teeb tsa raws li lub zog hloov pauv, xws li kev nkag ncaj qha mus rau lub substation, hloov chaw nres tsheb, faib chav tsheb npav lossis lub nplhaib network.
Cov kab ntawv sau
Cov kab collector yog ib feem tseem ceeb ntawm lub tshuab hluav taws xob photovoltaic. Nws yog lub luag haujlwm rau kev sau cov khoom siv hluav taws xob ntawm txhua txoj hlua hluav taws xob photovoltaic mus rau lub inverter, thiab tom qab ntawd xa mus rau lub zog tsim tsheb npav los ntawm cov zis inverter. Lub luag haujlwm tseem ceeb ntawm cov kab sib sau yog xa tawm DC thiab AC lub zog, yog li nws txoj kev tso yuav tsum tau coj mus rau hauv tus account qhov kev sib kis tau zoo thiab kev nyab xeeb ntawm lub zog.
Muaj ntau txoj hauv kev rau kev tso cov kab sib sau, suav nrog nyiaj siv ua haujlwm, kev faus ncaj qha lossis choj tso. Cov txheej txheem txheej txheej sib txawv muaj lawv tus kheej qhov zoo thiab qhov tsis zoo, thiab yuav tsum tau xaiv raws li cov xwm txheej tiag tiag. Piv txwv li, overhead nteg yog tsim rau cov chaw uas tiaj tus thiab qhib struts, tab sis yuav tsum tau ntau dua installation thiab txij nkawm nqi; kev tso faus ncaj nraim yog tsim rau cov chaw uas muaj tsawg dua cov kav dej hauv av, tab sis qhov cuam tshuam ntawm ib puag ncig hauv av yuav tsum xav txog; choj nteg yog tsim nyog rau kev hla dej, txoj kev thiab lwm qhov chaw, tab sis cov load-bearing thiab stability ntawm tus choj yuav tsum tau xav txog.
Combiner lub thawv
Lub thawv sib txuas yog ib qho ntawm cov cuab yeej tseem ceeb hauv lub tshuab hluav taws xob photovoltaic, uas tuaj yeem muab faib ua DC lub thawv thiab AC lub thawv sib txuas.
Lub luag haujlwm tseem ceeb ntawm DC lub thawv sib txuas yog los xyuas kom meej qhov kev sib txuas thiab kev sib koom ua ke ntawm photovoltaic modules. Nws yog tus choj ntawm photovoltaic modules thiab inverter. Hauv kev tsim hluav taws xob photovoltaic, cov zis tam sim no ntawm txhua qhov photovoltaic module raug txwv, thiab tag nrho cov system yuav tsum tau tso tawm ntau dua tam sim no kom ua haujlwm zoo. Yog li ntawd, ntau lub photovoltaic modules yuav tsum tau txuas ua ke kom nce cov zis tam sim no. Lub luag hauj lwm ntawm DC combiner lub thawv yog sau cov zis tam sim no ntawm cov photovoltaic modules thiab xa mus rau inverter.
Lub luag haujlwm tseem ceeb ntawm AC lub thawv sib txuas yog txhawm rau ua kom cov zis tam sim no ntawm ntau lub tshuab hluav taws xob thiab tiv thaiv lub inverter los ntawm kev puas tsuaj los ntawm AC daim phiaj-txuas sab / thauj khoom. Nws yog ib qho tseem ceeb tiv thaiv ntaus ntawv ntawm qhov tso zis kawg ntawm lub inverter, uas yuav zoo tiv thaiv lub inverter los ntawm kev puas tsuaj los ntawm overcurrent. Tsis tas li ntawd, AC lub thawv sib txuas kuj tseem tuaj yeem ua lub tshuab hluav taws xob tso tawm qhov cuam tshuam los txhim kho kev nyab xeeb ntawm lub cev thiab tiv thaiv kev nyab xeeb ntawm kev teeb tsa thiab tu cov neeg ua haujlwm.
Nyob rau hauv luv luv, lub thawv combiner yog ib qho tseem ceeb ib feem ntawm lub photovoltaic zog tsim system. Nws tuaj yeem sau tau zoo tam sim no ntawm photovoltaic modules, tiv thaiv lub inverter los ntawm kev puas tsuaj overcurrent, thiab txhim kho kev nyab xeeb thiab ruaj khov ntawm lub cev.
High, nruab nrab thiab qis voltage kab sib txuas ntawm photovoltaic fais fab chaw nres tsheb
Hais txog cov txheej txheem ntawm kev sib txuas cov hluav taws xob hluav taws xob tso tawm los ntawm photovoltaic lub zog tsim hluav taws xob rau hauv daim phiaj hluav taws xob. Cov kev sib txawv ntawm daim phiaj sib txawv tuaj yeem siv tau raws li qhov sib txawv ntawm cov khoom siv hluav taws xob photovoltaic thiab daim phiaj xav tau.
Rau cov neeg siv khoom lag luam thiab kev lag luam, thaum lub zog ntawm lub tshuab hluav taws xob photovoltaic yog 400kW lossis tsawg dua, qhov hluav taws xob tsawg 380V kab sib txuas tuaj yeem siv tau. Txoj kev no yog tsim rau cov chaw tsim hluav taws xob me me lossis cov khoom siv hluav taws xob photovoltaic faib, thiab hluav taws xob hluav taws xob tuaj yeem xa ncaj qha mus rau qhov hluav taws xob qis hluav taws xob.
Thaum lub zog hluav taws xob ntawm lub tshuab hluav taws xob photovoltaic nyob nruab nrab ntawm 400kW-2MW, ntau daim phiaj sib txuas cov ntsiab lus tuaj yeem siv rau kev sib txuas hluav taws xob qis raws li qhov tseeb. Txoj kev no yog tsim rau nruab nrab-qhov loj me photovoltaic fais fab chaw nres tsheb lossis faib cov tshuab hluav taws xob photovoltaic, thiab hluav taws xob hluav taws xob tuaj yeem xa mus rau cov hluav taws xob qis hluav taws xob los ntawm ntau daim phiaj sib txuas.
Thaum lub zog ntawm lub tshuab hluav taws xob photovoltaic tshaj 2MW, 10kV kab sib txuas yuav tsum tau ua. Txoj kev no yog tsim rau cov chaw nres tsheb loj photovoltaic lossis centralized photovoltaic lub zog tsim hluav taws xob, thiab hluav taws xob hluav taws xob tuaj yeem xa mus rau cov hluav taws xob hluav taws xob hluav taws xob los ntawm 10kV cov kab sib txuas.
Thaum lub hwj chim ntawm lub tshuab hluav taws xob photovoltaic tshaj 6MW, 35kV kab sib txuas yuav tsum tau ua. Txoj kev no yog tsim rau ultra-loj photovoltaic fais fab chaw nres tsheb lossis centralized photovoltaic zog tsim tshuab, thiab tuaj yeem xa hluav taws xob mus rau qhov hluav taws xob hluav taws xob hluav taws xob los ntawm 35kV cov kab sib txuas.
Txoj kev sib txuas tshwj xeeb yuav tsum xa mus rau cov kev xav tau lossis cov lus qhia ntawm lub tuam txhab hluav taws xob hauv zos. Cov cheeb tsam sib txawv thiab cov tuam txhab hluav taws xob hluav taws xob tuaj yeem muaj cov kev cai sib txawv thiab cov cai. Yog li ntawd, thaum txuas photovoltaic fais fab chaw nres tsheb rau hauv daim phiaj, nws yog ib qho tsim nyog yuav tsum nkag siab tag nrho cov cai thiab cov kev cai ntawm lub tuam txhab fais fab hauv zos thiab xaiv txoj kev sib txuas uas tsim nyog raws li qhov xwm txheej tiag tiag. Nyob rau tib lub sijhawm, nws tseem yuav tsum tau xav txog kev ruaj ntseg ntawm daim phiaj hluav taws xob, qhov zoo thiab kev nyab xeeb ntawm cov hluav taws xob, thiab lwm yam, kom ntseeg tau tias lub tshuab hluav taws xob photovoltaic tuaj yeem muaj kev nyab xeeb thiab ruaj khov txuas nrog lub zog hluav taws xob.
AC thiab DC cables
AC thiab DC cables yog cov cables siv los xa AC thiab DC lub zog. Raws li lawv qhov chaw siv thiab lub hom phiaj, lawv tuaj yeem muab faib ua AC cables thiab DC cables.
AC cables feem ntau yog siv los txuas cov khoom siv hluav taws xob AC thiab cov khoom siv hluav taws xob, xws li cov tshuab hluav taws xob, hloov hluav taws xob, lub cev muaj zog, thiab lwm yam. Vim yog cov yam ntxwv ntawm AC lub zog, qhov tam sim no hauv AC cables yuav hloov nrog qhov hloov ntawm qhov hluav taws xob, yog li nws yog ib qho tsim nyog yuav tsum tau ua. siv cov cables uas tuaj yeem tiv taus cov kev hloov pauv no. Feem ntau siv AC cables muaj xws li fais fab cables, overhead insulated cables, tswj cables, thiab lwm yam.
DC cables feem ntau yog siv nyob rau hauv DC kis tau tus mob thiab tis systems rau kis DC hwj chim. Piv nrog AC cables, tam sim no ntawm DC cables tsis hloov nrog kev hloov ntawm qhov hluav taws xob, yog li tsis tas yuav xav txog qhov teeb meem hloov tam sim no uas AC cables yuav tsum xav txog. Feem ntau siv DC cables muaj xws li high-voltage DC cables, low-voltage DC cables, hnub ci vaj huam sib luag cables, thiab lwm yam.
Hauv kev xaiv AC thiab DC cables, ntau hom cables yuav tsum raug xaiv raws li qhov siv tau tiag tiag thiab lub hom phiaj. Nyob rau tib lub sijhawm, cov yam ntxwv xws li cov ntsuas hluav taws xob, tam sim no, cov khoom siv rwb thaiv tsev, thiab tiv taus qhov kev ua tau zoo ntawm cov cable yuav tsum raug txiav txim siab kom ntseeg tau tias kev ua haujlwm ruaj ntseg thiab ruaj khov ntawm cov cable.
Monocrystalline solar cell
Nws yog lub hnub ci cell raws li cov khoom siv zoo monocrystalline silicon thiab kev siv tshuab. Nws feem ntau yog tsim los siv cov thev naus laus zis xws li cov khoom siv nto, emitter passivation, thiab muab faib doping los txhim kho kev ua haujlwm thiab kev ruaj ntseg ntawm lub hnub ci.
Polycrystalline solar cells
Ib hom hnub ci cell ua los ntawm cov khoom siv hnub ci-qib polycrystalline silicon, nws cov txheej txheem tsim khoom zoo ib yam li cov hnub ci ib leeg-silicon solar cells. Piv nrog ib lub hnub ci vaj huam sib luag, polycrystalline hnub ci hlwb muaj qis dua photoelectric conversion efficiency thiab cov nqi ntau lawm.