Ikhabhinethi yangaphandle BESSiye yaba sisisombululo esibalulekileyo kwiiprojekthi zokugcina amandla e-C&I, ukunceda amashishini ukuba athobe imfuno ebangwayo, akhulise ukusetyenziswa kwelanga, kunye nokuqinisa ukuthembeka kwamandla. Nangona iinkqubo zeyure ezimbini-zisaxhaphakile, iI-Arhente yaMandla yaMazwe ngaMazwe (IEA)iqaphela ukuba ixesha elide- ulungelelwaniso lutsala umdla okhulayo njengoko iinkqubo zamandla zifuna amanqanaba aphezulu okuguquguquka.
Nangona kunjalo, ukukhetha okulungileyoBESS yangaphandlekubandakanya okungaphezulu kunomthamo webhetri. Umlinganiselo wamandla, amandla ebhetri, kunye nobude bexesha lokukhupha zonke zinempembelelo kwindlela esebenza ngayo inkqubo phantsi kweemeko zokwenyani zokusebenza.
Umbuzo ongundoqo ayingowokuba ingaba amandla aphezulu{{0}okanye amade{1}}ubude bexesha BESS "ngcono." Endaweni yoko, ukhetho olufanelekileyo luxhomekeke kwiprofayile yakho yomthwalo othile: iincopho ezimfutshane, ezinzulu zikhetha amandla aphezulu; imithwalo egciniweyo ithanda ixesha elide. Eli nqaku lichaza indlela yokuhambelana noqwalaselo kwiimfuno zakho zeprojekthi.
Indlela Amandla, Amandla, kunye nobude bexesha elichaphazela ngayo uKhetho lwe-BESS
Xa ukhetha iIkhabhathi yokugcina ibhetri yangaphandle, ukulinganiswa kwamandla kunye namandla ebhetri zizinto ezimbini eziphambili ezibonisa indlela inkqubo eyenza ngayo kwizicelo ezahlukeneyo.
Indlela Amandla alinganiswe ngayo achaphazela ukhetho lwe-BESS
Iumlinganiselo wamandla (kW)ichaza isakhono semveliso elinganisiweyo ye BESS - mangakanani amandla enkqubo eyilelwe ukuqhubeka nokunikezela phantsi kweemeko zokusebenza ezikhankanyiweyo.
Ezinye iisistim zikwanikezela{0}}ngethuba elifutshane lokukwazi ukulayisha - ngokwesiqhelo 1.1–1.2x amandla alinganiswe ukuya kuthi ga kwimizuzwana engama-60 - ekufuneka aqinisekiswe kumvelisi.
Ichaphazela ngokuthe ngqo:
- Inkxaso yomthwalo: Ubungakanani bamandla aqhubekayo inkqubo inokubonelela ngemithwalo edibeneyo.
- IPeak Shaving Capability: Olona nciphiso luphezulu lwebango olufikelelekayo ngokusekelwe kumandla akhoyo okukhutshwa.
- -Impendulo yoMlayisho weXesha elifutshane: Ukukwazi ukuphendula kutshintsho lomthwalo olukhawulezileyo, olukwaxhomekeke kwiimpawu zePCS, ukukwazi ukulayishwa, kunye nesicwangciso solawulo lwenkqubo.
KubaIiprojekthi zeC&I zokugcina ibhetri, ukulinganisa ubungakanani bamandla kuxhomekeke kwiinjongo zokusebenza ezithile kunye nolungelelwaniso lwegridi, hayi ukusetyenziswa kwamandla esayithi iyonke:
- Yegridi-Ukucheba okuBotshelelweyo:Ubungakanani bujolise kwiinjongo zakho zokunciphisa, hayi imfuno epheleleyo yoncedo. Umzekelo, umzi-mveliso onemfuno ephezulu ye-500 kW ojolise ekuchebeni i-100 kW incopho unokufuna ukureyithwa kombane we-100 kW. Ubungakanani bokugqibela kufuneka buqwalasele ukuguquguquka komthwalo, isicwangciso solawulo, ukusebenza kakuhle kwenkqubo, kunye neemeko zoqhagamshelo lwegridi ekhoyo.
- Yeyokuvala-iGridi kunye neeNkqubo zokuGcina:Ubungakanani bumiselwa ngumzobo odityanisiweyo wemithwalo ebalulekileyo ekufuneka ihlale isebenza ngaxeshanye-enoba ngexesha lokucima kwegridi (ugcino) okanye njengomthombo wamandla kuphela (off{1}}igridi).
Indlela Amandla ebhetri alichaphazela ngayo ixesha lokuSebenza
Amandla ebhetri (kWh) amele ubungakanani bamandla agcinwe kwisixokelelwano sebhetri.
Amandla okwenene asebenzisekayo anikezelwa kwimithwalo anokuba ngaphantsi ngenxa yezinto ezifana noluhlu olusebenzisekayo lwe-SOC, ukuguqulwa kobuchule, ukusetyenziswa okuncedisayo, ubushushu bokusebenza, kunye nemeko yebhetri.
Umthamo wamandla ophezulu ufanelekile ngakumbi xa iprojekthi igxile koku:
- Amaxesha amade aphezulu erhafu
- Ukutshintsha kwamandla elanga
- Iimfuno ezandisiweyo zokugcina
- Ukusebenza ixesha elide kumanqanaba ombane aphakathi
Indlela yokuqikelela uBude bexesha le-BESS
Ukulinganisa amandla kunye namandla ebhetri akufuneki kuthathelwe ingqalelo ngokwahlukeneyo. Ngokudibeneyo, bamisela ukuba i-BESS inokuqhubeka ixesha elingakanani ukuhambisa amandla kwinqanaba elithile lemveliso.
Eli xesha linceda ukuthelekisa ezahlukeneyoUGcino lwebhetri yeKhabhinethi yangaphandleuqwalaselo kwaye uqonde ukuba inkqubo yenzelwe inkxaso yamandla amafutshane{0} okanye unikezelo lwamandla amade.
Ubalo olusisiseko lu:
Ubude bexesha le-E/P yesiqhelo=Amandla ebhetri yesiqhelo ÷ Amandla alinganisiweyo
Umzekelo, a60 kW / 225 kWh uqwalaseloinobude bexesha le-E/P elimalunga neeyure eziyi-3.8: 225 kWh ÷ 60 kW=3.75 h ≈ 3.8 h.
Nangona kunjalo, olu balo lubonisa amaxabiso e-nameplate kuphela. Ubude bexesha bunokuba ngaphantsi ngenxa:
- Ifestile yeSOC esebenzisekayo (ngokuqhelekileyo yi-90% ye-DoD ye-LFP
- Ilahleko yokuguqulwa kwe-PCS (ngokuqhelekileyo i-95% esebenzayo)
- Ukusetyenziswa kokuncedisa
- Ubushushu be-Ambient kunyeulawulo lobushushu
Umzekelo, inkqubo ye-225 kWh ene-90% ye-DoD esebenzisekayo kunye ne-95% ye-PCS esebenzayo ingazisa malunga ne-225 × 0.9 × 0.95=192 kWh yamandla asebenzisekayo e-AC, ukunciphisa ubude bexesha ukuya malunga neeyure eziyi-3.2.
Ukuthelekisa uMmeli wangaphandle weKhabhinethi ye-BESS uLungiso
Ulungelelwaniso lwe-BESS lwekhabhinethi yangaphandle lubonisa ibhalansi eyahlukeneyo phakathi kokuphuma kwamandla kunye nobude bamandla.
Olu lungelelwaniso lulandelayo yimizekelo emeleyo esekelweIPolinovelIkhabhinethi yangaphandle imveliso ye-BESS inkcazo.
| Uqwalaselo | Ilinganiswe Amandla | Amandla ebhetri | Ubude bexesha le-E/P |
| 60 kW/121 kWh | 60 kW | 121kWh | ≈2.0h |
| 60 kW/225 kWh | 60kW | 225 kWh | =3.8h |
| 125kW/241kWh | 125 kW | 241kWh | =1.9h |
| 125 kW/261 kWh | 125 kW | 261kWh | =2.1h |
(Ubude bexesha le-E/P libalwa ngokusekelwe kumandla ebhetri yesiqhelo ÷ ulinganiso lwamandla aphumayo. Obona bude bexesha lokusebenza bunokuba ngaphantsi ngokuxhomekeke kuluhlu olusebenzisekayo lweSOC, ukusebenza kakuhle kwenkqubo, usetyenziso oluncedisayo, ubushushu be-ambient, inkangeleko yomthwalo, ubuchule bokusebenza, kunye nemeko yebhetri.)
Itheyibhile ibonisa ukuba amandla ebhetri afanayo asenokubangela iimpawu zokusebenza ezahlukeneyo. Ukuqonda lo mahluko, ulungelelwaniso lunothelekiso kwiimbono ezintathu:
- Amandla afanayo, amandla ahlukeneyo:Ulungelelwaniso lwe-60 kW / 225 kWh lunokugcina imveliso efanayo ixesha elide kune-60 kW / 121 kWh kubumbeko, okwenza amandla ebhetri abe ngowona mahluko ophambili phakathi kweenkqubo ezimbini.
- Amandla afanayo, Amandla ahlukeneyo:I125 kW / 241 kWh ubumbekoinokuxhasa imithwalo emikhulu kunokwakheka kwe-60 kW / 225 kWh, ngaphandle kwamandla ebhetri afanayo. Oku kubonisa ukuba kutheni i-kWh eyaneleyo ingenakuhlawulela umlinganiselo wamandla onganeno.
- Amandla afanayo, amandla angaphezulu kancinci
Phawula:Ngaphakathi kwiklasi efanayo yamandla, ulungelelwaniso olufana ne-125 kW / 241 kWh kunye125 kW / 261 kWhikwabonelela ngeyantlukwano eyongeziweyo yamandla enokubaluleka kwiiprojekthi ezifuna ixesha elide kancinci kwinqanaba lamandla elinye.
Ingaba iProjekthi ye-C&I ifuna nini i-BESS ephezulu-yaMandla?
Amandla aphezulu{{0}e-BESS akhethwa ngokuqhelekileyo xa iprojekthi ifuna ukukhupha amandla amakhulu ukuxhasa imithwalo emikhulu okanye iincopho eziphezulu zemfuno.
Ulungelelwaniso lwamandla{0}oluphezulu ludla ngokuthathelwa ingqalelo:
1. Incopho yokuNcitshiswa kweMbango
Xa isibonelelo sifumana ixesha elifutshane lemfuno yombane ephezulu, i-BESS idinga amandla aneleyo okuvelisa ukunciphisa umthwalo ophezulu ngokufanelekileyo.
Iimeko eziqhelekileyo:
- Iincopho zemveliso yefektri
- Izixhobo zisebenza ngaxeshanye
- Iintlawulo zemfuno ephezulu
Ukuqwalaselwa kokhetho:
Amandla okunciphisa incopho efunekayo (kW)
2. Inkxaso ye-EV yokuTshaja yaMandla
Kwiindawo zokutshaja ii-EV, umceli mngeni kaninzi ayikokusetyenziswa kwamandla ngokupheleleyo kodwa umthamo wegridi onyiniweyo ngexesha lokutshaja okuphezulu.
Amandla aphezulu{{0}e-BESS anganceda ukunika amandla ongezelelweyo xa imfuno yokutshaja isanda.
Ukuqwalaselwa kokhetho:
Ukutshaja imfuno kunye nokunciphisa igridi
3. Amandla{1}oMthwalo woShishino oluPhezulu
Ezinye izixhobo zemizi-mveliso zidala imfuno yamandla emfutshane kodwa emandla, kubandakanya:
- Iimoto
- Iimpompo
- Iicompressors
- Iinkqubo zefriji
Kwezi zicelo, amandla alinganisiweyo kunye ne-PCS yokulayisha ngaphezulu kwesakhono zidla ngokuba zibaluleke kakhulu kunokunyusa amandla ebhetri.
Ukuqwalaselwa kokhetho:
Ubuninzi bomthwalo ngaxeshanye
Ingaba iProjekthi yeC&I ifuna nini ixesha elide le-BESS?
Ixesha elide-ikhabhinethi yangaphandle i-BESS iba lixabiso ngakumbi xa iprojekthi igxile ekutshintsheni amandla ngokuhamba kwexesha kunokusabela kwimfuno{1}}yamandla yexesha elifutshane.
Xa Amaxesha Aphezulu Ahlala Ixesha Elide
Kwabanye abasebenzisi borhwebo namashishini, injongo ayikokunciphisa eyona ndawo iphezulu yemfuno kuphela, kodwa nokuthoba usetyenziso lwegridi ngexesha elide{0}}lamaxabiso aphezulu. I-BESS ke ngoko idinga amandla asebenzisekayo awoneleyo ukuze igcine ukukhutshwa kulo lonke ixesha elipheleleyo-lomrhumo.
Umzekelo:
- Umzi-mveliso oneeyure ezininzi zemfuno yombane ephezulu
- Uncedo olunexesha elongeziweyo{0}}lo{1}}lokusebenzisa amaxesha erhafu
Ingqwalasela ephambili ayikona nje kuphela ukuba amandla angakanani na inkqubo enokubonelela ngayo, kodwa ixesha elide linokugcina inkxaso.
Xa Amandla eSolar kufuneka asetyenziswe kamva
Ukuveliswa kwelanga kunye nokusetyenziswa kombane kaninzi akwenzeki ngaxeshanye. Ixesha elide-i-BESS ivumela amandla elanga angakumbi ukuba agcinwe kwaye asetyenziswe kamva xa imfuno yonyuka.
Oku kuluncedo kakhulu kwiiprojekthi apho:
- Imveliso yelanga iphezulu ngeeyure zokusebenza;
- Imfuno yangokuhlwa ihlala ibalulekile;
- Ukuthumela ngaphandle amandla elanga agqithisileyo alinganiselwe.
Kwezi zicelo, amandla ebhetri aba ngumba ophambili kuba iprojekthi kufuneka ihambise amandla ngamaxesha ahlukeneyo.
Xa iNkxaso ye-Backup ifuna ukusebenza okongeziweyo
Ugcino lwezicelo luhlala lubeka phambili ixesha elide lokusebenza kuba eyona njongo iphambili kukugcina imithwalo ebalulekileyo isebenza ngexesha lokuphazamiseka kwegridi.
Ngokungafaniyo nokutsheva okuphezulu, apho ugxininiso lunciphisa-iincopho zemfuno yexesha elifutshane, izicelo zogcino zifuna amandla asebenzisekayo awoneleyo ukugcina ukusebenza ngexesha elilindelekileyo lokuphela.
Uqwalaselo olufunekayo lwe-BESS luxhomekeke:
- Iimfuno zamandla omthwalo obalulekileyo
- Ixesha logcino ekujoliswe kulo
- Iimeko zokusebenza ngexesha lokucima
Imizekelo emibini yokuKhethwa kweKhabhinethi yaNgaphandle ye-BESS
Le mizekelo ilandelayo ibonisa ukuba iinjongo zeprojekthi zinokuphembelela njani ukhetho phakathi-namandla kunye nexesha elide-ixesha lekhabhinethi yangaphandle yolungelelwaniso lweBESS.
(Le mizekelo yenzelwe uthelekiso lokuqala kuphela. Olona luhlu lwesixokelelwano lufuna uphononongo oluneenkcukacha lweeprofayile zomthwalo, iimeko zokusebenza, kunye neemfuno zeprojekthi.)
Umzekelo 1: Ukucheba kweFactory Peak - Xa Amandla Eza Kuqala
Imeko yeprojekthi
Indawo yokuvelisa ifumana ixesha elifutshane lemfuno ephezulu yombane ngexesha leeyure zokuvelisa.
Injongo yeprojekthi yile:
- Ukunciphisa imfuno yegridi ephezulu;
- Iintlawulo zemfuno ephantsi;
- Ukuxhasa imithwalo enzima ngexesha lokusebenza kwencopho.
Cingela:
- Ukuncitshiswa kwencopho ekujoliswe kuyo: 100 kW
- Ubude benkxaso ekujoliswe kuyo: iiyure ze-1.5
Ubalo lokuqala
Amandla okuhanjiswa afunekayo: 100 kW × 1.5 h=150 kWh
Ngokusekwe kumandla kuphela, isixokelelwano esimalunga ne-150 kWh yamandla ebhetri sinokubonakala ngokwaneleyo. Nangona kunjalo, amandla okukhutshwa afunekayo ngumqobo wokuqala wokulinganisa.
I-60 kW BESS isenokungakwazi ukufikelela kwithagethi yokunciphisa i-100 kW peak ngokwayo, nokuba akhona amandla awoneleyo ebhetri. Umlinganiselo wokugqibela wamandla kufuneka uvavanywe ngokusekelwe kwithagethi yokunciphisa imfuno, amandla e-PCS, kunye neemeko zokusebenza kwendawo.
Kulo mzekelo, i-125 kW{1}}yeklasi yangaphandle yekhabhathi ye-BESS inokulungelelaniswa ngcono nenjongo efunekayo yokunciphisa.
Umzekelo 2: UShift weNtengiso yeSola yeRhwebo - Xa ubude bexesha bufika kuqala
Imeko yeprojekthi
Indawo yokuthengisa inokuvelisa amandla elanga kakhulu ngexesha lasemini kodwa iyaqhubeka nokusebenzisa umbane ngokuhlwa.
Injongo yeprojekthi yile:
- Gcina amandla elanga angasetyenziswanga;
- Ukunciphisa ukusetyenziswa kwegridi ngokuhlwa;
- Phucula usetyenziso lwelanga{0}}lobuqu.
Uqikelelo lwamandla olulula:
Kuqikelelwa ukuba i-50 kW ye-PV ye-surplus ihlala ikhona iiyure ezi-3
Amandla okuhanjiswa afunekayo: 50 kW × 3 h=150 kWh
Kule meko, imfuno yamandla iphakathi. Umceli mngeni ophambili kukugcina amandla aneleyo kunye nokuwakhulula ixesha elide.
Ulungelelwaniso olude-lwexesha, olufana ne-60 kW / 225 kWh ikhabhathi yangaphandle ye-BESS, ingangqamanisa ngcono nesi sicwangciso sokusebenza.
Le mizekelo ibonisa ukuba kutheni kungekho mnye "ongcono"iKhabhinethi yangaphandle BESS uqwalaselokuyo yonke iprojekthi ye-C&I.
Ukhetho olufanelekileyo luxhomekeke ekubeni iprojekthi igxininiswe ngokuyinhloko ngamandla okukhutshwa okanye ubude obufunekayo bokusebenza.
Kuthekani ukuba iProjekthi ifuna zombini amandla aphezulu kunye nexesha elide
Ezinye izicelo zinokufuna amandla aphezulu kunye nobude bexesha elongeziweyo - umzekelo, indawo enomthwalo omfutshane wencopho ekwafuna iiyure ezininzi zokushenxiswa kwelanga.
Kwiimeko ezinjalo, isisombululo asikokukhetha enye phezu kwenye, kodwa:
- Chaza olona thintelo lubaluleke kakhulu kuqala - Ngaba ukucutha amandla kumqhubi ophambili, okanye ngaba amandla ashenxisa elona xabiso?
- Jonga ukuba i-BESS enye inokuhlangabezana na zombini iimfuno - Olunye ulungelelwaniso lunokubonelela ngesisombululo esilungeleleneyo esihlangabezana neemfuno zamandla kunye nobude bexesha.
- Qwalasela ulungelelwaniso lwemodyuli okanye olunxuseneyo - Iiyunithi ezininzi ze-BESS zinokudityaniswa ukufezekisa amandla aphezulu kunye nobude bexesha elide.
Loluphi ulwazi olunceda ukumisela uLungiselelo oluLungileyo lwe-BESS?
Ukukhetha iiKhabhinethi yangaphandle BESS uqwalaseloIfuna ngaphezulu kunokuthelekisa umthamo webhetri okanye ubungakanani bamandla.
Emva kokuqonda ubudlelwane phakathi kwamandla, amandla, kunye nobude bexesha, inyathelo elilandelayo kukuvavanya indlela inkqubo eya kusebenza ngayo kwindawo yeprojekthi.
Ulwazi oluphambili lweprojekthi lubandakanya:
| Ulwazi lweProjekthi | Isizathu Sokuba Kubalulekile |
| Layisha iprofayile | Ibonisa xa imfuno yamandla itshintsha kwaye inceda ukugqiba ukuba i-BESS kufuneka ihlawule kwaye ikhuphe |
| Incopho yokunciphisa imfuno ekujoliswe kuyo | Imisela amandla okukhutshwa afunekayo ekuchebeni okuphezulu |
| Ubude bexesha lokusebenza ekujoliswe kulo | Inceda ukumisela amandla afunekayo asebenzisekayo kunye namandla ebhetri aqhelekileyo |
| Amaxesha amaxabiso ombane | Inceda ukuvavanya ukutsheva okuphezulu kunye namathuba okutshintsha amandla |
| Iprofayile yokuvelisa i-PV | Ibonisa ukuba angakanani amandla elanga akhoyo ukuze agcinwe kwaye xa enokutshintshwa |
| Imithwalo ebalulekileyo | Imisela amandla okugcina afunekayo kunye namandla |
| Imo yokusebenza | Icacisa ukuba ingaba inkqubo iya kusebenza kwigridi{0}}ebotshiweyo, ekwi-backup, okanye kwimowudi yegridi. |
| Iimeko zoqhagamshelwano lwegridi | Imisela imida yoqhagamshelwano kunye neemfuno zokudityaniswa kwenkqubo |
| Indlela yokupholisakunye nolawulo lwe-thermal | Ichaphazela ulawulo lobushushu, ukusetyenziswa kokuncedisa, ukuzinza kokusebenza, kunye iimfuno zokugcina |
| Indawo yofakelo | Ichaza uluhlu lobushushu be-ambient, iimfuno zokukhusela, ezikhoyo |
| Isicwangciso sokwandiswa kwexesha elizayo | Inceda ukufumanisa ukuba uyilo lwenkqubo enokukaleka okanye yeemodyuli luyafuneka |
Emva kokuphonononga le miba, inkqubo yokhetho iya icace ngakumbi. Iimfuno zomthwalo zinceda ukuchaza imveliso yamandla efunekayo, ngelixa ixesha lokusebenza kunye neenjongo zamandla zichaza umthamo webhetri ofanelekileyo.
Kwiiprojekthi ze-C&I, ulungelelwaniso lokugqibela ludla ngokuvela ekulinganiseni izinto ezintathu:
- Imfuno yombane - owona mthwalo uphezulu ngaxeshanye ekufuneka uxhaswe;
- Imfuno yamandla - ungakanani umbane ekufuneka ugcinwe;
- Isicwangciso seprojekthi - iya kusetyenziswa njani i-BESS namhlanje kwaye yandiswe kwixesha elizayo.
Ukukhetha i-BESS yekhabhathi elungileyo ayithethi malunga nokukhetha esona sixhobo siphezulu sebhetri. Olona lungelelwaniso lungcono luxhomekeke kwiimfuno zamandla eprojekthi, iimfuno zamandla asebenzisekayo, ubude bexesha lokusebenza ekujoliswe kulo, uyilo lwenkqubo, kunye nezicwangciso zokwandisa kwixesha elizayo.
Ingaba injongo kukucheba okuphezulu, ukutshintshwa kwamandla elanga, okanye inkxaso yokulondoloza, inkqubo kufuneka ihambelane neemeko zesayithi zangempela.
Ngaba ufuna uncedo lokukhetha i-BESS yekhabhinethi yangaphandle yeprojekthi yakho? Yabelana ngeprofayile yakho yomthwalo, iimfuno zamandla, kunye neenjongo zesicelo kunye nePolinovel. Iqela lethu linokunceda ukuvavanya umthamo webhetri ofanelekileyo, umlinganiselo wamandla, kunye nokucwangciswa kwekhabhinethi.