Imodyuliinkqubo yogcino lwamandla ebhetri yezorhwebo nezoshishino (C&I) (BESS)kunokubonakala kulula ukukala: kufuneka umthamo ongaphezulu, yongeza enye ikhabhinethi. Enyanisweni, ukubalwa kwekhabhinethi efanelekileyo kuxhomekeke ngaphezu kwe-kWh.
Ikhabhinethi enye inokwanela ukuba idibana namandla afunekayo, amandla asebenzisekayo, kunye nobude bokukhutshwa. Iikhabhathi ezininzi zinokufuneka kumandla aphezulu, amandla aphezulu, ixesha elide lokubaleka, okanye ukukhula kwexesha elizayo.
Indlela isikali senkqubo nayo ixhomekeke kwiinkqubo yokuguqula amandla (PCS)ulwakhiwo, iimfuno zokutshaja, umthamo wesiguquli, kunye noqhagamshelo lwegridi. Esi sikhokelo sichaza indlela yobungakanani bemodyuli ye-C&I BESS kwiimfuno zangoku kunye nokwandiswa kwexesha elizayo.
Kuthetha ukuthini Ukukala iModyuli ye-C&I BESS eneneni?
KwiC&I BESSIprojekthi, ukulinganisa kunokubandakanya iindawo ezintathu: umthamo wamandla, amandla, kunye nenkqubo ebanzi. Ezi zihlobene, kodwa azinyuki ngendlela efanayo njengoko iikhabhinethi ezininzi zongezwa.
Isiphumo sixhomekeke kwakhona kwi-architecture ye-BESS. Ngebhetri{1}kuphela kwekhabhathi kunye nePCS ekwabelwana ngayo okanye esembindini, ukongeza iikhabhathi zonyusa amandla ebhetri ngaphandle kokuba umthamo wePCS nawo wandisiwe. Ngazo zonke-kwi{4}}ikhabhathi enye equka ii-PCS zazo, ukongeza iikhabhathi kunokonyusa zombini ezifakelwe amandla kunye namandla alinganisiweyo.
Ukwandiswa kwamandla oMmandla
Ukwandiswa kwamandlakuthetha ukwandisa amandla e-BESS anokugcina. Ngeekhabhathi zebhetri ezifanayo, amandla afakiweyo ayanda ngokubalwa kwekhabhathi. Umthamo ongezelelweyo wamandla unokuxhasa:
- ixesha elide lokukhupha okanye ukugcinwa kwe-backup
- ukwanda kwamandla elanga
- ukufumaneka kwamandla amakhulu okuhamba ngebhayisikile yonke imihla
Eyona njongo iphambili yikWh eninzi, kunokuba ikhuphe imveliso ekhawulezileyo.
Ukwandiswa kwamandla
Ukwandiswa kwamandlakuthetha ukwandisa ukuba angakanani amandla i-BESS enokuthi ihlawule okanye ikhuphe ngexesha elinye. Iba yinto efanelekileyo xa isiza sifuna ukuxhasa imithwalo ephezulu yencopho, ukutshaja kwe-EV, okanye ukufunwa kwezixhobo ngaxeshanye.
Nokuba iikhabhathi ezongezelelweyo nazo zonyusa i-kW kuxhomekeke kuyilo lwePCS kunye namandla alinganisiweyo.
Inkqubo-Inqanaba lokukala
Njengoko i-BESS ikhula, ukwandiswa kunokuchaphazela izixhobo ezingaphaya kweekhabhathi zebhetri, kubandakanya:
- I-PCS kunye nomthamo wesiguquli
- isixhobo sokutshintsha, iintambo, kunye nezixhobo zokukhusela
- inkqubo yolawulo lwamandla (EMS)kunye nolwakhiwo lonxibelelwano
- umthamo woqhagamshelo lwegridi
Uyilo lwekhabhathi yemodyuli lunokwenza lula ukwandiswa, kodwa umbane obanzi kunye nenkqubo yokulawula kufuneka ixhase isikali esicetywayo.
IKhabhinethi enye okanye iiKhabhinethi ezininzi: Yeyiphi iProjekthi yakho eyifunayo?
Inani leekhabhathi ze-BESS akufuneki lisekelwe kwi-kWh yodwa. Qala ngeemfuno ezintathu zeprojekthi:
- Amandla (kW):Angakanani amandla ekufuneka i-BESS iwazise ngexesha elinye?
- Amandla (kWh):Kufuneka isistim igcine amandla angakanani?
- Ubude bexesha:Kufuneka agcinwe ixesha elingakanani amandla afunekayo?
Isiqalo esiluncedo sesi: Ubude bexesha lokugcinwa ≈ amandla asebenzisekayo ÷ amandla okukhupha
Ezi zithethe kufuneka zisebenze kunye. Inkqubo inokuba namandla aneleyo kodwa ingabi namandla oneleyo omthwalo, okanye amandla aneleyo kodwa amandla amancinci asebenzisekayo ukuhlangabezana nobude obufunekayo.
Xa iKhabhinethi enye inokwanela
Ikhabhinethi enye inokwanela xa amandla ayo asebenzisekayo, amandla akhoyo, kunye nobude bexesha lokukhupha zonke zihlangabezana neemfuno zeprojekthi.
Umzekelo, ukuba ikhabhinethi enye inokuxhasa incopho efunekayo-umthwalo wokutsheva kangangexesha elipheleleyo ekujoliswe kulo, ukongeza enye ikhabhinethi ukunyusa ikWh efakiweyo kunokubonelela ngexabiso elincinane elisebenzayo.
Ukukhula kwekamva kusafanele kuqwalaselwe. Ukwandiswa kwePV ecwangcisiweyo, ukutshaja kwe-EV, okanye imithwalo emitsha yemveliso inokuthethelela ukushiya indawo yomthamo owongezelelweyo kamva.
Xa iiKhabhinethi ezininzi zenza ingqiqo ngakumbi
Iikhabhathi ezininzi zisebenza ngakumbi xa ikhabhathi enye ingasakwazi ukuhlangabezana namandla eprojekthi okanye iimfuno zokusebenza.
Ukuba amandla asisithintelo, iikhabhinethi ezongezelelweyo zinokuxhasa:
- ixesha elide lokukhupha okanye ukugcinwa kwe-backup
- ukwanda kwamandla elanga
- amandla asebenzisekayo ngakumbi kwibhayisekile yemihla ngemihla
Ukuba amandla asisithintelo, indlela yokwandisa ixhomekeke kuyilo lwePCS. I-PCS ekwabelwana ngayo okanye esembindini inokufuna umthamo ongezelelweyo we-PCS, ngelixa zonke-kwikhabhathi enye ezine-PCS zazo zinokongeza zombini amandla kunye namandla alinganisiweyo. Kuyo nayiphi na imeko, isiseko sombane esixhasayo kufuneka sixhase imveliso ephezulu.
Ukwandiswa kwexesha elizayo sesinye isizathu sokuthathela ingqalelo uyilo lwekhabhinethi ezininzi-. Isiza esingena kwikhabhathi enye namhlanje sinokufuna amandla angakumbi kunye namandla njengoko imithwalo ikhula.
Ubungakanani bekhabhinethi kufuneka bulandele amandla eprojekthi, amandla, ubude bexesha, kunye neemfuno zokukhula{0}hayi ngenye indlela.
Yintoni eneneni etshintshayo xa usongeza iiKhabhinethi ze-BESS ezingakumbi?
Nje ukuba imfuno yokukala yeprojekthi icacile, umbuzo olandelayo ngowokuba yintoni etshintshayo xa kongezwa enye ikhabhinethi.
Ibhetri efakiweyo isikali samandla ngokuthe ngqo kunye nokubalwa kwekhabhathi. Amandla, amandla okutshaja, igridi{1}}umthamo wecala, kunye neemfuno zolawulo zixhomekeke ngakumbi kulwakhiwo lwe-BESS kunye nenkqubo yombane ebanzi.
Izikali zamandla ebhetri kakhulu ngokuthe ngqo
Ngeekhabhathi ezifanayo ezingama-261 kWh, kufakwe izikali zamandla ebhetri ngokuthe ngqo nokubalwa kwekhabhathi:
- 1 × 261 kWh=261 kWh
- 2 × 261 kWh=522 kWh
- 4 × 261 kWh=1,044 kWh
Lo mthamo wongeziweyo unokuxhasa ixesha elide lokukhupha, ukutshintshwa kwamandla elanga, okanye ukugcinwa kwexesha elide. La manani amele amandla afakiweyo kunokuba asebenzise amandla. Owona mandla asebenzisekayo anokuba ngaphantsi ngenxa yefestile esebenzayo ye-SOC, igcine i-SOC, ukuhla kwebhetri, kunye nobushushu obunxulumene{2}.
Amandla eNkqubo axhomekeke kwi-PCS Architecture
Amandla awalandeli ukubalwa kwekhabhinethi ngendlela efanayo namandla ebhetri.
Nge-PCS ekwabelwana ngayo okanye esembindini, ukongeza iikhabhathi zebhetri kunokonyusa amandla afakiweyo ngaphandle kokunyuswa kwamandla okulinganiswa kwePCS. Ngazo zonke-kwi{2}}ikhabhathi enye enye iquka ii-PCS zayo, ukongeza iikhabhathi kunokonyusa zombini ezifakelwe amandla kunye namandla alinganisiweyo.
Kuyo nayiphi na i-architecture, imveliso yenkqubo esebenzisekayo isenokuthi iculwe ngu:
- PCS ubuninzi kunye namandla alinganisiweyo
- Imida yangoku yebhetri kunye neC-yereyithi
- Umthamo webhasi ye-AC
- Isiguquli kunye nomthamo wesixhobo sokutshintsha
- Imida yokusebenza ye-EMS kunye nesicwangciso sokulawula
- Imida yoqhagamshelo lwegridi
Isixokelelwano esibanzi sombane ke ngoko simisela ukuba mangakanani amandla afakelweyo anokuthi asetyenziswe.
Amandla angaphezulu nawo anokutshintsha iMfuneko yokuTjaja
Ukongeza iikhabhinethi ezininzi kwandisa umthamo wamandla onokufuna ukutshajwa emva kokukhutshwa.
Ukuba amandla okutshaja ahlala engatshintshwa, isixokelelwano esikhulu sebhetri siya kufuna ifestile yokutshaja ende. Ukugcina ixesha elifanayo lokutshaja kunokufuna amandla amaninzi okutshaja, ngokuxhomekeke ku:
- PCS ukutshaja amandla
- intlawulo yebhetri{0}imida yangoku
- umthamo wenguqu
- amandla egridi akhoyo
Igridi-Umthamo wecala awuzikali ngokuzenzekela
Ukongeza ibhetri eyongezelelekileyo kunye nomthamo wePCS akondisi ngokuzenzekelayo amandla apho isiza sinokungenisa, sithumele ngaphandle, okanye sisasazwe.
Amandla enkqubo ephezulu anokufuna umthamo owaneleyo kwi:
- isitshintshi
- izixhobo zokutshintsha kunye neziqhekeza
- iindawo zebhasi
- iintambo
- umthamo wothungelwano lwegridi kwiPCC
Nokuba ibhetri kunye ne-PCS zixhasa imveliso ephezulu, izixhobo zombane ezikhoyo okanye umthamo ovunyelweyo wokungenisa/ukuthumela ngaphandle kwi-PCC unokucutha amandla akhoyo kwisistim eyandisiweyo.
Iikhabhinethi ezininzi zifuna uLungelelaniso lweNkqubo eyongezelelekileyo
I-BESS yekhabhinethi ezininzi kufuneka isebenze njengenkqubo enye elungelelanisiweyo. Njengoko ubalo lwekhabhinethi lusanda, uyilo lolawulo kufuneka lulawule:
- Umahluko we-SOC phakathi kweekhabhinethi
- intlawulo kunye nokukhupha ulwabiwo lwamandla
- PCS ukuthumela
- imida yokusebenza kunye notshintshiselwano ubume phakathiinkqubo yolawulo lwebhetri (BMS)kunye ne-EMS
- ii-alamu kunye nokubeka iliso kwinkqubo
Ulawulo kunye namandla onxibelelwano kufuneka ke ngoko athathwe njengenxalenye yoyilo lolwandiso ukusuka ekuqaleni.
Isishwankathelo esiKhawulezayo: Zeziphi izikali ngokomgca{0}}kwaye Yintoni eNgakwenziyo?
Itheyibhile engezantsi ishwankathela indlela iiparamitha zenkqubo engundoqo zikala ngayo njengoko iikhabhinethi zongezwa.
| Inkqubo yeParameter | Indlela Elinganisa Ngayo | Yintoni Enye Egqiba Ngayo |
| Kufakiwe Battery Energy | Umgca onekhabhathi yokubala okufanayo | Ubungakanani bekhabhinethi kunye nomlinganiselo wamandla kwikhabhinethi nganye |
| Amandla Asebenzisekayo | Ukonyuka ngamandla afakiweyo, kodwa kunokuba ngaphantsi kunomthamo we-nameplate | Ifestile ye-SOC, gcina i-SOC, ukuthotywa, iqondo lobushushu{0}}elinxulumene nokuhla |
| Amandla eNkqubo | Uyilo{0} luxhomekeke; inokulinganisa ngokubalwa kwekhabhinethi xa ikhabhathi nganye iquka iPCS zayo | Uyilo lwePCS kunye namandla alinganisiweyo, imida yangoku yebhetri kunye neC-ireyithi, iziseko ze-AC, imida ye-EMS, uqhagamshelo lwegridi |
| UkuTshaja Ukukwazi | Ayingomgca | Amandla okutshaja ePCS, intlawulo yebhetri{0}imida yangoku, umthamo wesiguquli, amandla akhoyo egridi |
| Igridi yokuNgena/UkuThunyela ngaphandle kweZakhono | Ingahlala ingatshintshi | Isiguquli, isixhobo sokutshintsha, iintambo, amandla avumelekileyo okungenisa/ukuthumela ngaphandle kwi-PCC |
| ULungelelaniso lweNkqubo | Iba nzima ngakumbi njengoko ubalo lwekhabhinethi lusanda | Unxibelelwano lwe-EMS kunye ne-BMS, ulungelelwaniso lwe-SOC, ukwabiwa kwamandla, ukuthunyelwa kwe-PCS |
Iindlela ezintathu eziqhelekileyo ze-C&I BESS zokukala: Amandla, Amandla, kunye noKwandiswa kweSiteji
Iiprojekthi eziqala ngokufanayo125 kW / 261 kWh C&I BESSinokufuna iindlela ezahlukeneyo zokwandisa ngokuxhomekeke ekubeni isithintelo ngamandla, amandla, okanye ukukhula kwexesha elizayo.
Imeko 1: Amandla{1}}Ukwandiswa kweLed - Ngaphezulu kwe-kWh, i-kW efanayo
Cinga indawo apho i-125 kW imfuneko yokusebenza ihlala yanele, kodwa i-BESS idinga ukuxhasa umthwalo ixesha elide.
Apha, isithintelo kumthamo wamandla kunokuba amandla.
Ukongeza ikhabhathi yesibini efanayo kwandisa amandla ebhetri afakiweyo ukusuka kuma-261 kWh ukuya kuma-522 kWh. Ukuba isiza siyaqhubeka sisebenza ngokuqikelelwa kwinqanaba elifanayo lamandla, umthamo owongezelelweyo usetyenziswa ikakhulu ukwandisa ubude bexesha lokukhupha kunokunyusa imveliso ngoko nangoko.
Indlela yokwandisa:I-125 kW / 261 kWh → amandla angaphezulu afakelweyo anemfuno efanayo yamandla okusebenza
La mandla athe ngqo -ulwandiso olukhokelwayo: ngaphezulu kwe-kWh ngaphandle kokunyuka okuhambelanayo kwi-kW efunekayo.
Imeko 2: Amandla{1}}Ukwandiswa kweLed - Umthwalo unyukile
Ukuba ikhabhinethi eyongezelelweyo engama-261 kWh iqhagamshelwe kwi-PCS ekwabelwana ngayo, amandla ebhetri afakelweyo anokonyuka aye kuma-522 kWh ngelixa amandla enkqubo ehleli kwi-125 kW ngaphandle kokuba amandla e-PCS nawo awandisiwe.
Ukuba ikhabhathi nganye ye-261 kWh iyiyo yonke-kwiyunithi{2}}kwiyunithi enye ene-125 kW PCS yayo, iikhabhathi ezimbini zinokubonelela ukuya kuthi ga kwi-250 kW yamandla alinganisiweyo afakiweyo. Nangona kunjalo, ukufezekisa loo mveliso kwindawo kusafuna okwaneleyo:
- isiguquli kunye namandla okuhambisa
- izixhobo zokutshintsha, iibhasi, kunye neentambo
- I-EMS kunye nokukwazi ukulawula inkqubo
- indawo kunye nothungelwano lwegridi umthamo
Ukwandiswa kwamandla -okukhokelwayo kufuna ibhetri, iPCS, kunye nesixokelelwano esibanzi sombane ukuba zivandlakanywe kunye.
Imeko yesi-3: Ulwandiso oluseqongeni - Ubungakanani baNamhla, uYilo lwangoMso
Iprojekthi inokungadingi amandla ongezelelweyo okanye amandla namhlanje. Ikhabhinethi enye engama-261 kWh inokufikelela kwiimfuno zangoku, ngelixa izicwangciso zexesha elizayo ziquka i-PV eninzi, inqwelo ye-EV enkulu, ukwandiswa kwendawo, okanye imithwalo ephezulu yemveliso.
Isixokelelwano sebhetri sinokukhula ngokwezigaba:
- Inqanaba loku-1: ikhabhathi e-1=261 kWh
- Inqanaba lesi-2: iikhabhathi ezi-2=522 kWh
- Ixesha elizayo: iikhabhathi ezi-4=1,044 kWh
La manani abonisa amandla ebhetri afakiweyo kuphela-angaqinisekiswanga mandla enkqubo. Ukwandiswa kweqonga, nangona kunjalo, kufuneka kucwangciswe kwasekuqaleni. Ukuba ukukhula kwexesha elizayo kunokwenzeka, uyilo lokuqala kufuneka luqwalasele ukuba iikhabhinethi ezongezelelweyo, umthamo we-PCS, iziseko zombane, kunye neenkqubo zokulawula zinokongezwa ngaphandle kohlengahlengiso olukhulu.
Uyicwangcisa njani iModyuli ye-C&I BESS yoKwandiswa kwekamva
Ukwandiswa kwexesha elizayo kufuneka kwakhelwe kuyilo lwenkqubo yokuqala. Isitshixo kukushiya ukuguquguquka okwaneleyo kwisakhiwo sesiza, iziseko zombane, kunye nolawulo lwezakhiwo ukongeza umthamo kamva ngaphandle kohlengahlengiso olukhulu.
1. Gcina isithuba seKhabhinethi ezongezelelweyo
Iikhabhinethi zexesha elizayo zifuna ngaphezulu kweenyawo ezingenanto. Uyilo lwendawo yokuqala kufuneka luchaze:
- izikhundla ezongezelelweyo kwikhabhinethi
- ukukhutshwa kwenkonzo nokugcinwa
- iindlela zentambo zexesha elizayo
- imigama efunekayo yokwahlukana
Ukugcina esi sithuba kwangethuba kunokunciphisa umsebenzi woluntu kunye nofakelo xa inkqubo isanda. Kwakhona kunceda ukuphepha ukusebenza kwakhona okanye ukufuduswa kwezixhobo ezikhoyo xa iikhabhinethi ezongezelelweyo zongezwa.
2. Cwangcisa i-PCS kunye noYilo loMbane loKwandiswa
Iikhabhathi zexesha elizayo zinokunyusa umthamo wamandla, iimfuno zamandla, okanye zombini. Inqanaba lokuqala-loyilo lombane kufuneka liqwalasele ukuba ulwandiso lwamva lungalungiselelwa ngaphandle kokuthatha indawo yesixhobo esikhulu.
Jonga isakhono sokwandisa:
- Umthamo wePCS okanye uqwalaselo lwePCS oluhambelanayo
- izixhobo zokutshintsha kunye neziqhekeza
- iindawo zebhasi
- iintambo
Umbuzo awukona nje kuphela ukuba enye ikhabhinethi ingafakwa, kodwa ingaba inkqubo yombane inokuyifaka kumandla okusebenza okujoliswe kuyo.
3. Jonga iTransformer kunye neGridi yeCapacity
Ukwandiswa kunokufikelela ekugqibeleni kwimida engaphandle kwe-BESS ngokwayo.
Umendo wokwandisa okulindelekileyo kufuneka ujongwe ngokuchasene:
- ukukala kwe-transformer
- umthamo wegridi ekhoyo
- Amandla avumelekileyo okungenisa/ukuthumela ngaphandle kwi-PCC
Oku kubaluleke kakhulu xa ulwandiso lwexesha elizayo lulindeleke ukuba lunyuke kW. Amandla ebhetri athe kratya anokwandisa ixesha lokukhutshwa ngaphandle kokutshintsha amandla esayithi, ngelixa imveliso ephezulu inokufuna ukuphuculwa kwesiguquli okanye uqhagamshelo lwegridi.
4. Qinisekisa ukuba iNkqubo yoLawulo inokulinganisa
Ukongeza iikhabhinethi nazo zandisa inani lezixhobo, imida yokusebenza, kunye namanqaku edatha ekufuneka alungelelaniswe.
I-EMS kunye nezakhiwo zonxibelelwano kufuneka zixhase:
- inani elicwangcisiweyo leekhabhathi
- ezininzi -iyunithi yokuthumela
- Ulungelelwaniso lwe-SOC
- ulwabiwo lwamandla
- unxibelelwano phakathi kwe-BMS, i-PCS, kunye ne-EMS
Uyilo lolawulo kufuneka ke ngoko luhlolwe ngokuchasene nobungakanani benkqubo ecwangcisiweyo, hayi kuphela -ubumbeko lwesigaba sokuqala.
5. Qinisekisa ukuhambelana kwebhetri yekamva
Ikhabhinethi eyongeziweyo kwiminyaka emininzi kamva isenokungafani nesixhobo sokuqala. Uhlaziyo lwemveliso, utshintsho lwe-firmware, kunye nokuguga kwebhetri konke kunokuchaphazela ukuba iikhabhinethi ezindala kunye ezintsha zinokusebenza kunye.
Ukwandiswa kwexesha elizayo kufuneka ke kuqwalasele:
- ikhemistri yebhetri kunye nombane
- ikhabhinethi kunye neenkcukacha zemodyuli
- I-BMS kunye nokuhambelana kwe-firmware
- iiprothokholi zonxibelelwano
- iyantlukwano kwiminyaka yebhetri kunye nesimo sempilo
I-modularity yomzimba yodwa ayiqinisekisi ukuba iikhabhinethi ezintsha zinokudibaniswa nenkqubo endala ngaphandle kokuhlolwa kobunjineli okongeziweyo. Ukuhambelana kufuneka kuqinisekiswe kunye nomvelisi ngaphambi kokuchaza ukwandiswa kwexesha elizayo.
Ngamafutshane, indlela yokwandisa ye-C&I BESS ixhomekeke ekubeni iprojekthi ifuna amandla amaninzi, amandla amaninzi, okanye zombini-kwaye ingaba inkqubo ebanzi ingayixhasa na.
Ukucwangcisa iprojekthi ye-C&I BESS okanye ukwandiswa kwexesha elizayo? Yabelana nge-kW, kWh yakho, ubude bexesha lokusebenza, kunye nesicwangciso sokwandisaPolinovelyeprojekthi-ubumbeko lwenkqubo ethile.