Puas yog Distributed PV Energy Storage Yuav Tsum Taug Sib Txuas?
Tam sim no, nyob rau hauv lub ntiaj teb no lub zog niaj hnub, lub zog cia systems ntawm cov khoom siv hluav taws xob photovoltaic tau ua qhov chaw nruab nrab. Tab sis, feem ntau ntawm lawv xav yog tias faib PV lub zog cia yuav tsum tau sib txuas nrog kab sib chaws. Zoo, cia peb saib ntxiv rau cov lus nug, thiab nkag siab ntau hom kev faib hluav taws xob PV nrog rau cov ntsiab lus tsim hluav taws xob.

Yuav pib nrog, lub tshuab hluav taws xob PV faib tawm tuaj yeem ua haujlwm tawm.
Kev faib hluav taws xob hluav taws xob photovoltaic tsis tas yuav txuas nrog daim phiaj; lawv kuj tuaj yeem ua tsis tau daim phiaj. Off-grid faib cov tshuab hluav taws xob photovoltaic feem ntau yog siv rau cov cheeb tsam uas nws tsis yooj yim sua los yog nyuaj rau kev txuas mus rau daim phiaj hluav taws xob, lossis qhov chaw fais fab tsis ruaj khov. Cov tshuab no feem ntau muaj xws li hnub ci vaj huam sib luag, roj teeb, tswj, thiab inverters. Lub hnub ci vaj huam sib luag hloov lub hnub ci zog rau hauv hluav taws xob, lub roj teeb tau them los ntawm tus tswj hwm, thiab thaum xav tau hluav taws xob, cov hluav taws xob hauv lub roj teeb hloov mus rau AC los ntawm inverter siv los ntawm kev thauj khoom.
Qhov kom zoo dua ntawm qhov off-grid system yog nws txoj kev ywj pheej thiab kev ntseeg tau. Hauv qee thaj chaw deb, xws li thaj tsam roob thiab cov Islands tuaj, off-grid PV fais fab kev tsim hluav taws xob tuaj yeem muab cov neeg nyob hauv zos nrog lub zog ruaj khov yam tsis muaj kev cuam tshuam los ntawm kab sib chaws. Tsis tas li ntawd, nyob rau qee lub sijhawm tshwj xeeb, xws li kev ua haujlwm hauv thaj chaw, kev cawm thaum muaj xwm txheej ceev, thiab lwm yam, cov kab hluav taws xob sab nraud tuaj yeem siv tau.
Off-grid systems muaj ntau qhov tsis zoo, ib yam nkaus. Ua ntej, tus nqi ntawm cov tshuab zoo li no kuj siab vim tias ib qho yuav tsum tau muab cov roj teeb cia. Qhov thib ob, cov roj teeb muaj kev pab cuam lub neej tsawg thiab yuav tsum tau hloov ib ntus, uas ua rau cov nqi kho mob nce ntxiv. Tsis tas li ntawd, lub peev xwm ntawm off-grid systems feem ntau yog me me thiab tsis tuaj yeem ua tau raws li qhov xav tau hluav taws xob loj.
Nyob rau hauv sib piv, ib daim phiaj-txuas faib PV system txuas cov hluav taws xob tsim los ntawm lub hnub ci vaj huam sib luag rau daim phiaj tom qab hloov mus rau AC los ntawm inverter. Thaum lub sijhawm ua haujlwm no, thaum lub hnub ci tsim hluav taws xob ntau dua li kev siv hluav taws xob, cov hluav taws xob tshaj tawm tuaj yeem xa mus rau hauv daim phiaj, thaum lub hnub ci tsim hluav taws xob tsis txaus rau cov neeg siv, lawv tuaj yeem tau txais los ntawm daim phiaj.
Qhov zoo ntawm daim phiaj sib txuas yog tias nws tuaj yeem siv tag nrho cov kev ruaj ntseg thiab kev ntseeg siab ntawm daim phiaj, thiab tib lub sijhawm, nws kuj tuaj yeem muag lub zog ntau dhau rau daim phiaj rau qee qhov kev lag luam rov qab. Tsis tas li ntawd, ib qho kev sib txuas kab sib txuas yog qhov yooj yim thiab tsis kim rau nruab thiab tswj xyuas.
Txawm li cas los xij, cov kab hluav taws xob sib txuas kuj tseem muaj qee qhov teeb meem: piv txwv li, nws yuav tsum ua kom tau raws li cov kev xav tau ntawm kev nkag mus rau daim phiaj xwm ntawm qhov hluav taws xob, zaus, lub zog, thiab lwm yam. Ntxiv rau qhov no, nws tiam yuav raug cuam tshuam los ntawm huab cua, xws li los nag lossis daus, thiab muaj qee qhov tsis ruaj khov hauv nws tiam. Qhov thib ob, qhov kev tsim hluav taws xob yuav tsum suav nrog?
Txawm hais tias off-daim phiaj los yog daim phiaj-txuas txuas nrog cov khoom siv hluav taws xob photovoltaic, nws cov qauv tsim hluav taws xob yuav tsum xav txog cov hauv qab no: kev xaiv thiab kev teeb tsa ntawm lub hnub ci vaj huam sib luag. Lub hnub ci vaj huam sib luag yog lub hauv paus tseem ceeb ntawm kev faib hluav taws xob photovoltaic, thiab nws cov kev xaiv thiab kev teeb tsa ncaj qha cuam tshuam rau lub zog tsim hluav taws xob thiab kev ua haujlwm. Thaum xaiv lub hnub ci vaj huam sib luag, cov yam ntxwv xws li lub zog, kev ua tau zoo, kev ntseeg tau, thiab lub neej ntev yuav tsum tau xav txog. Lub caij no, nyob rau hauv qhov pom ntawm qhov chaw teeb pom kev zoo, thaj tsam ntawm lub ru tsev, kev taw qhia, thiab lwm yam, nws tseem yuav tsum tau ua qhov tsim nyog tsim nyog los ua kom siv lub hnub ci ntau tshaj plaws.
Rau ib qho off-grid system, kuj tseem yuav tsum tau xav txog kev sib piv ntawm cov hnub ci vaj huam sib luag thiab cov roj teeb kom them tag nrho cov roj teeb nyob rau hauv ntau yam teeb pom kev zoo.
Kev xaiv roj teeb thiab suav lub peev xwm
Lub roj teeb yog qhov tseem ceeb ntawm cov khoom siv hluav taws xob tawm hauv PV, nws txoj haujlwm yog khaws cov hluav taws xob uas tsim los ntawm lub hnub ci vaj huam sib luag rau siv thaum hmo ntuj lossis hnub huab cua thiab nag. Hauv kev xaiv hom, nws yog ib qho tsim nyog yuav tsum xav txog yam xws li hom, muaj peev xwm, lub neej, kev them nqi thiab kev tso tawm ntawm lub roj teeb.
Rau cov kab hluav taws xob sib txuas, txawm hais tias qhov khoom siv ntawm cov roj teeb cia tsis tsim nyog, tab sis qee qhov xwm txheej, zoo li qhov tsis ua haujlwm ntawm daim phiaj, nws kuj tuaj yeem txiav txim siab ua kom muaj peev xwm ntawm cov roj teeb cia ua lub zog thaub qab. Tom qab ntawd lub roj teeb muaj peev xwm yuav tsum tau muab xam rau nws lub peev xwm txaus siab rau cov neeg siv khoom xav tau thaum muaj xwm ceev. Controller thiab inverter xaiv
Tus maub los yog ib qho tseem ceeb tshaj plaws nyob rau hauv cov khoom siv hluav taws xob photovoltaic faib; nws tswj cov zis ntawm lub hnub ci vaj huam sib luag los tiv thaiv lub roj teeb ntawm overcharging lossis over-discharging. Thaum xaiv tus maub los, kev ua haujlwm ntawm tus maub los, kev ua tau zoo, kev ntseeg siab, thiab lwm yam yuav tsum tau xav txog.
Lub inverter yog ib qho khoom siv uas hloov DC lub zog tsim los ntawm lub hnub ci vaj huam sib luag rau hauv AC lub zog, thiab nws cov kev xaiv yuav tsum xav txog yam xws li lub zog inverter, kev ua tau zoo, cov zis tawm, thiab kev ntseeg tau. Rau off-grid systems, nws tseem yuav tsum tau txiav txim siab seb qhov tso zis voltage thiab zaus ntawm lub inverter phim lub load.
Hluav taws xob thaiv thiab cov khoom siv tiv thaiv
Cov hlua hluav taws xob yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob PV, thiab nws cov qauv tsim yuav tsum tau ua tib zoo xav txog xws li kev nyab xeeb, kev ntseeg siab, thiab kev zoo nkauj ntawm lub cev. Hauv kev xaim, kev saib xyuas yuav tsum tau them rau kev ua raws li cov cai hluav taws xob thiab cov qauv, kom cov kev xav tau ntawm qhov chaw hla ntawm cov xov hlau, kev ua haujlwm rwb thaiv tsev, thiab lwm yam, txaus siab.
Cov cuab yeej tiv thaiv yog qhov tseem ceeb ntawm kev nyab xeeb lav nyob rau hauv cov khoom siv hluav taws xob faib PV. Thaum lub kaw lus tsis ua haujlwm, nws yuav txiav tawm lub zog hluav taws xob hauv lub sijhawm los tiv thaiv kev nthuav dav ntawm kev sib tsoo. Cov khoom siv tiv thaiv muaj xws li Circuit Court breakers, fuses, leakage protectors, thiab lwm yam, uas yuav tsum tau tsim kom muaj kev tsim nyog raws li lub peev xwm thiab cov kev xav tau ntawm lub kaw lus thaum xaiv thiab teeb tsa. Saib xyuas qhov system tsim
Kev saib xyuas qhov system yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob faib hluav taws xob PV, uas tuaj yeem saib xyuas kev ua haujlwm ntawm lub sijhawm ntawm lub sijhawm, suav nrog lub zog tsim hluav taws xob ntawm lub hnub ci vaj huam sib luag, lub roj teeb lub zog, lub zog tso tawm ntawm lub inverter, thiab lwm yam. Los ntawm kev saib xyuas, cov neeg siv tuaj yeem nkag siab txog kev ua haujlwm ntawm qhov system raws sijhawm, nrhiav teeb meem, thiab daws lawv raws sijhawm.
Nws yuav tsum xav txog qhov ntsuas thiab qhov yuav tsum tau ua ntawm lub kaw lus, xaiv cov cuab yeej saib xyuas thiab software tsim nyog, thiab ua kom tsim nyog thiab ua haujlwm. Thib peb, cov ntsiab lus faib PV lub zog cia tsis tas yuav txuas nrog kab sib chaws, tab sis kuj tuaj yeem tawm ntawm kab sib chaws. Off-grid systems muaj feem xyuam rau cov cheeb tsam uas tsis tuaj yeem txuas nrog kab sib chaws lossis cov phiajcim tsis ruaj khov, nrog rau qhov zoo ntawm kev ywj pheej thiab kev ntseeg siab, tab sis tus nqi kuj tseem siab. Ib txoj kab sib txuas sib txuas tuaj yeem siv tau tag nrho cov kev ruaj ntseg thiab kev ntseeg siab los ntawm kab sib chaws thaum muag cov hluav taws xob ntau ntxiv rau daim phiaj rau qee qhov kev lag luam.
Thaum lub sij hawm siv hluav taws xob tsim nyob rau hauv ib qho kev faib hluav taws xob photovoltaic lub zog tsim hluav taws xob, cov hauv qab no yuav tsum raug coj mus rau hauv kev txiav txim siab: kev xaiv thiab tso tawm ntawm lub hnub ci vaj huam sib luag, kev xaiv thiab suav cov roj teeb muaj peev xwm, xaiv cov maub los thiab lub inverter, hluav taws xob thaiv hluav taws xob thiab kev tiv thaiv cov cuab yeej tsim, tsim kev saib xyuas, thiab lwm yam. Tsuas yog tus qauv tsim hluav taws xob muaj peev xwm ua kom ntseeg tau tias cov khoom siv hluav taws xob PV faib ua haujlwm muaj kev nyab xeeb, ntseeg tau, thiab ua haujlwm siab.
Nrog rau kev txhim kho thev naus laus zis txuas ntxiv thiab txo tus nqi, yav tom ntej, ntau lub luag haujlwm tseem ceeb yuav raug ua los ntawm kev faib cov tshuab hluav taws xob photovoltaic. Cov tshuab tsim hluav taws xob hluav taws xob hluav taws xob faib hluav taws xob yuav muab rau peb hauv-daim phiaj lossis off-daim phiaj nrog lub zog huv thiab txhim khu kev qha ntau dua.