1 Lub tsev faib hluav taws xob qhov xwm txheej: tsim kom muaj tus kheej - hluav taws xob txaus txaus
1. Kev tswj hluav taws xob hauv tsev ua ke nrog cov photovoltaics thiab lub zog cia
Hauv cov xwm txheej hauv tsev, hybrid inverters ua "lub zog hub" txuas photovoltaic panels, lub zog cia roj teeb, thiab cov khoom siv hauv tsev, ua tiav kev kaw- voj tswj ntawm "spontaneous self use, surplus power storage, and power shortage replenishment". Thaum cov khoom siv hluav taws xob photovoltaic txaus thaum nruab hnub, qhov tseem ceeb yog muab rau cov khoom siv niaj hnub xws li tub yees, cua txias, thiab teeb pom kev zoo, thiab hluav taws xob ntau dhau yog siv los them lub roj teeb; Thaum lub kaw lus photovoltaic raug kaw thaum hmo ntuj lossis hnub los nag, lub inverter hloov mus rau lub roj teeb tawm hom kom tau raws li cov kev xav tau ntawm cov tsev neeg, thiab tsuas yog muab lub zog los ntawm daim phiaj thaum lub roj teeb qis. Ua ib lub tsev hauv tsev nrog 10kW photovoltaic thiab 15kWh lub zog cia ua piv txwv, kev sib xyaw ua ke ntawm hybrid inverters tuaj yeem ua rau tus kheej noj ntau dua 80%, txuag tshaj 5000 yuan hauv cov nqi hluav taws xob txhua xyoo, thiab zam kev tsis yooj yim los ntawm kev siv hluav taws xob.
2. ntse hluav taws xob noj thiab ncov hav arbitrage
Hybrid inverters uas txhawb kev nkag mus rau hauv tsev tswj hwm lub zog apps tuaj yeem hloov kho lawv cov kev them nqi thiab tawm cov tswv yim raws li lub ncov thiab tawm cov nqi hluav taws xob siab tshaj. Thaum lub sij hawm uas tsis tshua muaj nqi hluav taws xob (xws li 00: 00-08: 00), lawv cia li yuav hluav taws xob los ntawm daim phiaj kom them lub roj teeb; Thaum lub sij hawm tus nqi hluav taws xob siab tshaj plaws (xws li 08:00-22:00), ua ntej siv cov hluav taws xob photovoltaic thiab roj teeb kom txo tau cov nqi hluav taws xob siv hluav taws xob. Qee cov qauv kuj tseem tuaj yeem txuas nrog cov cuab yeej hauv tsev ntse kom txo qis cov khoom tsis tseem ceeb (xws li lub tshuab hluav taws xob hluav taws xob hluav taws xob) thaum lub sij hawm siv hluav taws xob siab, ntxiv cov nqi hluav taws xob zoo dua thiab hloov kho dua tshiab los ntawm "passive cost save" mus rau "active cost control".
2 Kev lag luam thiab kev lag luam lub zog cia cov xwm txheej: ob qho kev txhawb nqa ntawm kev txo nqi, kev txhim kho kev ua haujlwm, thiab kev txhawb nqa thaum muaj xwm ceev
1. Kev lag luam ncov hav arbitrage thiab xav tau kev tswj hwm
Cov neeg siv khoom lag luam thiab kev lag luam ntsib cov ntsiab lus mob ntawm lub ncov roob hluav taws xob loj tus nqi sib txawv thiab cov nqi hluav taws xob xav tau siab. Hybrid inverters tuaj yeem txo cov nqi los ntawm ob lub tswv yim ntawm "tsis tshua muaj cia thiab tawm siab" thiab "kev tswj fais fab": siv cov nqi qis- cov nqi hluav taws xob los them cov roj teeb hluav taws xob thaum lub sij hawm qis qis (xws li yav tsaus ntuj), thiab tso cov roj teeb hluav taws xob thaum lub sij hawm ncov (xws li kev tsim hluav taws xob nruab hnub) los hloov cov hluav taws xob hluav taws xob siab; Nyob rau tib lub sijhawm, thaum lub sijhawm ntsuas kev xav tau ntawm daim phiaj siv hluav taws xob (xws li cov ntsiab lus saib xyuas tshwj xeeb txhua lub hlis), kev siv hluav taws xob siab tshaj plaws yog txwv los ntawm cov inverters kom tsis txhob muaj kev thov nyiaj ntau vim kev siv hluav taws xob ntau dhau. Kev siv lub tshuab ua haujlwm nrog 100kW hybrid inverter thiab 500kWh lub zog cia ua piv txwv, nws tuaj yeem txuag tau 30000-50000 yuan hauv cov nqi hluav taws xob ib hlis, thiab cov peev nyiaj them rov qab feem ntau yog tswj tsis pub dhau 3-5 xyoos.
2. Thaum muaj xwm ceev backup hwj chim thiab ntau lawm continuity guarantee
Kev lag luam thiab kev lag luam ntau lawm muaj qhov xav tau siab heev rau lub zog txuas ntxiv. Kev hloov pauv ntawm daim phiaj hluav taws xob ntawm hybrid inverters tuaj yeem teb sai sai rau cov teeb meem ntawm kab sib chaws: thaum kuaj pom hluav taws xob, lub inverter yuav tshem tawm cov kab hluav taws xob hauv 10-20 milliseconds thiab hloov mus rau lub zog cia hluav taws xob hom kom tsis tu ncua muab lub zog rau cov khoom tseem ceeb ntawm cov kab ntau lawm (xws li lub cev muaj zog thiab kev tswj hwm), kom tsis txhob poob nyiaj txiag los ntawm kev poob qis. Qee cov qauv siab - lub zog hluav taws xob (xws li 500kW thiab siab dua) txhawb nqa kev sib txuas ntawm ntau lub tshuab thiab tuaj yeem tsim MW theem thaum muaj xwm txheej ceev thaub qab tshuab hluav taws xob kom tau raws li qhov xav tau ntawm lub zog loj ntawm cov chaw tsim khoom loj, cov ntaub ntawv chaw, thiab lwm yam xwm txheej.
3 Cov xwm txheej txhawb zog tshiab: daws teeb meem sib cuam tshuam thiab kab sib txuas
1. Lub zog cia, noj thiab daim phiaj kev sib txuas ruaj khov ntawm photovoltaic fais fab nroj tsuag
Nyob rau hauv loj -scale photovoltaic fais fab nroj tsuag, hybrid inverters tuaj yeem ua ke nrog lub zog cia tshuab los daws qhov teeb meem tsis sib xws ntawm photovoltaic tso zis: thaum lub teeb siv zog poob qis heev (xws li thaum npog los ntawm huab tsaus), lub inverter tawm sai sai tso lub roj teeb lub zog los them rau lub zog photovoltaic hloov pauv thiab tsis txhob cuam tshuam; Thaum muaj cov khoom tso tawm photovoltaic ntau dhau, cov hluav taws xob ntau dhau yog khaws cia rau hauv lub roj teeb thiab tso tawm thaum cov zis tsis txaus, txhim kho cov phiaj xwm ruaj khov thiab lub zog tsim hluav taws xob ntawm qhov chaw nres tsheb photovoltaic. Nyob rau tib lub sijhawm, hybrid inverters txhawb kev koom tes hauv daim phiaj sib sib zog nqus shaving, kho qhov kev them nqi thiab kev tawm suab nrov hauv cov lus teb rau daim phiaj xa tawm, muab cov kev cai zaus thiab cov kev pabcuam siab tshaj plaws rau daim phiaj, thiab tau txais cov nyiaj tau los ntxiv.
2. Fais fab mov rau off-grid tshiab zog systems
Hauv thaj chaw deb uas tsis muaj hluav taws xob tsis txaus, xws li thaj chaw roob, Islands tuaj, thiab ciam teb outposts, hybrid inverters tuaj yeem siv los tsim "photovoltaic + zog cia" tawm ntawm kab sib chaws, muab lub zog ruaj khov rau cov neeg nyob hauv lub neej niaj hnub, kev sib txuas lus hauv paus chaw nres tsheb, thiab cov khoom siv dej. Nws cov yam ntxwv ntawm kev ua haujlwm kub ntau (-30℃txog 60 degree) tuaj yeem hloov kho rau huab cua huab cua, txhawb nqa kev nthuav dav ntawm ntau pawg roj teeb, thiab ua tau raws li qhov xav tau sib txawv ntawm kW qib mus rau 100kW qib. Piv txwv li, nyob rau hauv cov xwm txheej ntawm cov kob, kev sib xyaw ua ke ntawm 10kW hybrid inverters, 20kWh lub zog cia, thiab 20kW photovoltaics tuaj yeem hloov cov tshuab hluav taws xob diesel, ua tiav cov pa roj carbon emissions hauv cov khoom siv hluav taws xob, thiab txo cov nqi roj mus sij hawm ntev.
4 Lub zog qub txheej txheem hloov kho qhov xwm txheej: qis- tus nqi hloov pauv thiab txhim kho kev ua haujlwm zoo
1. Lub zog cia transformation ntawm tsoos photovoltaic systems
Thaum ntxov ntsia zoo tib yam photovoltaic inverters tsuas yog txhawb cov kab sib txuas ua haujlwm thiab tsis tuaj yeem hloov mus rau lub zog cia roj teeb. Hybrid inverters tuaj yeem txuas ncaj qha mus rau AC sab ntawm cov tshuab photovoltaic uas twb muaj lawm los ntawm AC coupling thev naus laus zis, tsis tas yuav rhuav tshem cov cuab yeej uas twb muaj lawm, ua tiav lub zog cia muaj nuj nqi hloov khoom dua tshiab. Tom qab kev kho dua tshiab, thawj lub zog hluav taws xob photovoltaic tau muab qhov tseem ceeb rau kev muab cov khoom thauj, thiab qhov ntau tshaj yog them rau lub roj teeb, daws cov teeb meem ntawm "tso tseg lub teeb" thiab "tsis muaj lub zog thaub qab hauv hluav taws xob hluav taws xob" hauv cov kab ke ib txwm muaj. Noj 5kW qub photovoltaic system ua piv txwv, txoj kev npaj kho dua tshiab nrog 3kW hybrid inverter thiab 10kWh lub zog cia tsuas yog tus nqi 60% ntawm kev rov txhim kho lub system, thiab lub sijhawm kho dua tshiab yog luv rau 1-2 hnub, txo qhov kev hloov kho tshiab.
2. Complementary optimization ntawm diesel generators
Nyob rau hauv cov xwm txheej uas daim phiaj hluav taws xob tsis ruaj khov thiab tso siab rau cov tshuab hluav taws xob diesel (xws li thaj chaw deb mining thiab chaw ua haujlwm ib ntus), hybrid inverters tuaj yeem ua haujlwm nrog cov tshuab hluav taws xob diesel: thaum cov khoom siv hluav taws xob photovoltaic txaus, nws yog siv los ntawm photovoltaic thiab lub zog cia, thiab lub tshuab hluav taws xob raug tua; Thaum muaj qhov tsis txaus ntawm lub zog hluav taws xob photovoltaic, siv lub zog cia hluav taws xob ua ntej, thiab tom qab ntawd pib lub tshuab hluav taws xob tom qab lub zog cia tas lawm, txo lub sijhawm khiav thiab kev siv roj ntawm lub tshuab hluav taws xob. Nyob rau tib lub sijhawm, hybrid inverters tuaj yeem ua kom ruaj khov qhov tso zis voltage thiab zaus ntawm lub tshuab hluav taws xob, tsis txhob nquag pib nres ntawm lub tshuab hluav taws xob vim kev thauj khoom hloov pauv, ncua lub neej ntawm cov khoom siv, thiab txo cov nqi kho. Cov ntaub ntawv qhia tau hais tias qhov kev sib txuas ntxiv ntawm "lub teeb cia diesel" tuaj yeem txo cov kev siv roj av los ntawm 40% -60%, txo qis carbon emissions thiab cov nqi khiav lag luam.