IKhabhinethi Yangaphandle Ye-C&I Ukukhethwa Kwe-BESS: Amandla, Amandla Nobude Besikhathi

Ikhabhinethi yangaphandle BESSisibe yisixazululo esibalulekile samaphrojekthi okugcina amandla e-C&I, esiza amabhizinisi ehlise isidingo esikhulu, athuthukise ukusetshenziswa kwelanga, futhi athuthukise ukuthembeka kwamandla. Nakuba amasistimu-amahora amabili esavamile, iI-International Energy Agency (IEA)iyaqaphela ukuthi-ukulungiswa kwesikhathi eside kudonsa inzalo ekhulayo njengoba amasistimu wamandla edinga amazinga aphezulu okuguquguquka.

Nokho, ukukhetha okulungileI-BESS yangaphandlekuhilela okungaphezu nje komthamo webhethri. Isilinganiso samandla, amandla ebhethri, nobude besikhathi sokuphuma konke kuthonya indlela isistimu esebenza ngayo ngaphansi kwezimo zangempela zokusebenza.

Umbuzo obalulekile awukona ukuthi ingabe i-BESS ephakeme{{0}yamandla noma ende{1}}isikhathi "ingcono." Esikhundleni salokho, ukukhetha okulungile kuncike kuphrofayela yakho ethile yomthwalo: iziqongo ezifushane, eziqinile zithanda amandla aphezulu; imithwalo eqinile ithanda isikhathi eside. Lesi sihloko sichaza indlela yokufanisa ukucushwa nezidingo zakho zangempela zephrojekthi.

Ukuthi Amandla, Amandla, Nobude Besikhathi Kuthinta Kanjani Ukukhethwa kwe-BESS

Lapho ukhetha iIkhabhinethi yokugcina ibhethri yangaphandle, ukulinganisa amandla namandla ebhethri yizici ezimbili ezibalulekile ezinquma ukuthi isistimu isebenza kanjani ezinhlelweni zokusebenza ezahlukene.

Ukuthi Amandla Alinganiselwe Akuthinta Kanjani Ukukhetha Kwe-BESS

Iisilinganiso samandla (kW)ichaza amandla okukhiphayo alinganiselwe e-BESS - ukuthi angakanani amandla isistimu eklanyelwe ukuletha ngokuqhubekayo ngaphansi kwezimo zokusebenza ezishiwo.

Amanye amasistimu aphinde anikeze-amandla okuchichima esikhathi esifushane - ngokuvamile angu-1.1–1.2x amandla alinganiselwe kufika kumasekhondi angu-60 - okufanele aqinisekiswe nomkhiqizi.

Kuthinta ngqo:

• Layisha Ukusekela: Inani lamandla aqhubekayo isistimu engawanikeza emithwalweni exhunyiwe.
• Amandla Okushefa Okuphakeme: Ukwehliswa okuphezulu kwesidingo okufinyelelekayo ngokusekelwe emandleni atholakalayo okukhipha.
• -Impendulo Yomthwalo Wesikhathi Esifushane: Ikhono lokuphendula izinguquko zokulayisha ezingazelelwe, nazo ezincike ezicini ze-PCS, amandla okulayisha ngokweqile, nesu lokulawula isistimu.

Indlela Amandla Ebhethri Athinta Ngayo Isikhathi Sokusebenza

Amandla ebhethri (kWh) amele inani elincane lamandla agcinwe kusistimu yebhethri.

Amandla angempela asebenzisekayo alethwa emithwalweni angase abe ngaphansi ngenxa yezinto ezifana nebanga le-SOC elisebenzisekayo, ukusebenza kahle kokuguqulwa, ukusetshenziswa okuyisizayo, izinga lokushisa lokusebenza, nesimo sebhethri.

Amandla aphezulu afaneleka kakhulu uma iphrojekthi igxile kulokhu:

• Izikhathi zentela eziphakeme ezinde
• Ukushintsha kwamandla elanga
• Izidingo zokulondoloza ezinwetshiwe
• Ukusebenza isikhathi eside kumazinga wamandla amaphakathi

Indlela Yokulinganisa Ubude Besikhathi Be-BESS

Isilinganiso samandla namandla ebhethri akufanele kucatshangelwe ngokwehlukana. Ndawonye, ​​banquma ukuthi i-BESS ingaqhubeka isikhathi esingakanani iletha amandla ezingeni elithile lokuphumayo.

Lesi sikhathi sisiza ukuqhathanisa okuhlukileIsitoreji Sebhethri Lekhabhinethi Yangaphandleukucushwa nokuqonda ukuthi ingabe isistimu yakhelwe ukusekela amandla{0}okufushane noma ukulethwa kwamandla amade.

Isibalo esiyisisekelo sithi:

Ubude besikhathi be-E/P encane=Amandla ebhethri okuzisholo ÷ Amandla alinganiselwe

Ngokwesibonelo, a60 kW / 225 kWh ukucushwainobude besikhathi be-E/P cishe amahora angu-3.8: 225 kWh ÷ 60 kW=3.75 h ≈ 3.8 h.

Nokho, lesi sibalo sibonisa amanani e-nameplate kuphela. Ubude bangempela bungaba buncane ngenxa:

• Iwindi le-SOC elisebenzisekayo (imvamisa engu-90% DoD ye-LFP
• Ukulahlekelwa kokuguqulwa kwe-PCS (imvamisa ukusebenza kahle okungu-95%)
• Ukusetshenziswa kokusiza
• Izinga lokushisa le-ambient kanyeukuphathwa okushisayo

Ukuqhathanisa Ukumiswa KweKhabhinethi Yangaphandle Ye-BESS Yommeli

Ukucushwa okuhlukile kwekhabhinethi yangaphandle ye-BESS kumelela amabhalansi ahlukene phakathi kokuphuma kwamandla nobude besikhathi samandla.

Ukucushwa okulandelayo kuyizibonelo ezimele ezisekelwe kukhoI-PolinovelIkhabhinethi yangaphandle ye-BESS imininingwane yomkhiqizo.

Ithebula libonisa ukuthi amandla ebhethri afanayo asengaphumela ezicini zokusebenza ezihlukene. Ukuze uqonde lo mehluko, ukulungiselelwa kungafaniswa ngemibono emithathu:

• Amandla afanayo, amandla ahlukene:Ukucushwa okungu-60 kW / 225 kWh kungakwazi ukugcina okukhiphayo okufanayo isikhathi eside kunokumiswa okungu-60 kW / 121 kWh, okwenza amandla ebhethri abe umehluko omkhulu phakathi kwalezi zinhlelo ezimbili.
• Amandla afanayo, Amandla ahlukile:I125 kW / 241 kWh ukumisaingasekela imithwalo emikhulu kuno-60 kW / 225 kWh, naphezu kwamandla afanayo ebhethri. Lokhu kubonisa ukuthi kungani i-kWh eyanele ingakwazi ukunxephezela isilinganiso samandla esingaphansi.
• Amandla afanayo, amandla athe xaxa

Qaphela:Ngaphakathi kwesigaba samandla esifanayo, ukucushwa okufana no-125 kW / 241 kWh kanye125 kW / 261 kWhfuthi inikeza umehluko wamandla okhuphukayo ongabaluleka kumaphrojekthi adinga ubude besikhathi eside ezingeni elifanayo lamandla.

Iphrojekthi ye-C&I Idinga Nini-I-BESS Yamandla Ephakeme?

I-BESS yamandla engaphezulu{{0}yamandla ivame ukukhethwa lapho iphrojekthi idinga amandla amakhulu okukhipha ukuze isekele imithwalo emikhulu noma iziqongo ezifunwa kakhulu.

Ukumiswa{0}okuphezulu kwamandla ngokuvamile kucatshangelwa:

1. Ukwehliswa Kwesidingo Esiphakeme

Uma isikhungo sihlangabezana nezikhathi ezimfushane zokufunwa kakhulu kukagesi, i-BESS idinga amandla okukhipha anele ukuze kwehliswe umthamo omkhulu ngempumelelo.

Izimo ezijwayelekile:

• Iziqongo zokukhiqiza zasefekthri
• Izisetshenziswa ezisebenza kanyekanye
• Izinkokhelo ezifunwa kakhulu

Ukugxila kokukhetha:
Amandla okunciphisa inani eliphakeme adingekayo (kW)

2. Ukusekela Amandla Okushaja kwe-EV

Ezingosini zokushaja ze-EV, inselele ngokuvamile akukona ukusetshenziswa kwamandla okuphelele kodwa umthamo wegridi olinganiselwe phakathi nezikhathi zokushaja okuphezulu.

Amandla aphezulu{{0}e-BESS angasiza ekunikezeni amandla engeziwe lapho isidingo sokushaja sikhuphuka.

Ukugxila kokukhetha:
Isidingo samandla wokushaja kanye nomkhawulo wegridi

3. Imithwalo{1}}Ephezulu Yezimboni

Eminye imishini yezimboni idala isidingo samandla esifushane kodwa esikhulu, okuhlanganisa:

• Izimoto
• Amaphampu
• Ama-Compressors
• Amasistimu wokuqandisa

Kulezi zinhlelo zokusebenza, amandla alinganiselwe namandla okulayisha ngokweqile e-PCS ngokuvamile kubaluleke kakhulu kunokukhulisa amandla ebhethri.

Ukugxila kokukhetha:
Ubukhulu bokulayisha ngasikhathi sinye

Ngabe Iphrojekthi Ye-C&I Idinga Nini Isikhathi Eside Se-BESS?

I-BESS yesikhathi eside-yekhabhinethi yangaphandle iba yigugu kakhulu uma iphrojekthi igxile ekushintsheni kwamandla ngokuhamba kwesikhathi kunokusabela-kusidingo samandla sesikhathi esifushane.

Lapho Izikhathi Eziphakeme Zithatha Isikhathi Eside

Kubasebenzisi abathile bezentengiselwano nabezimboni, umgomo akukhona nje ukunciphisa inani eliphakeme kakhulu lokufunwa, kodwa futhi nokwehlisa ukusetshenziswa kwegridi phakathi-nenkathi yentengo ephakeme kakhulu. Ngakho-ke i-BESS idinga amandla anele okusebenziseka ukuze iqhubeke nokukhipha phakathi naso sonke isikhathi{2}}sentengo ephezulu.

Ngokwesibonelo:

• Imboni enamahora ambalwa esidingo esikhulu sikagesi
• Indawo enesikhathi esinwetshiwe-so{1}}sezikhathi zentela yokusebenzisa

Ukucatshangelwa okuyinhloko akukhona kuphela ukuthi isistimu inganikeza amandla angakanani, kodwa ukuthi ingagcina isikhathi esingakanani lokho kusekelwa.

Lapho Amandla Elanga Edinga Ukusetshenzwa Kamuva

Ukuphehlwa kwelanga kanye nokusetshenziswa kukagesi ngokuvamile akwenzeki ngesikhathi esisodwa. -Isikhathi eside se-BESS sivumela amandla elanga engeziwe asemini ukuthi agcinwe futhi asetshenziswe kamuva lapho isidingo sikhuphuka.

Lokhu kuwusizo ikakhulukazi kumaphrojekthi lapho:

• Ukukhiqizwa kwelanga kuphezulu ngesikhathi sokusebenza;
• Isidingo sakusihlwa sihlala sibalulekile;
• Ukukhipha amandla elanga engeziwe kunqunyelwe.

Kulezi zinhlelo zokusebenza, amandla ebhethri aba yinto enkulu ngoba iphrojekthi idinga ukuhambisa amandla ngezikhathi ezihlukene.

Lapho Ukusekelwa Kwesipele Kudinga Ukusebenza Okunwetshiwe

Izinhlelo zokusebenza ezigcina ikhophi yasenqolobaneni zivame ukubeka phambili ubude besikhathi sokusebenza ngoba inhloso eyinhloko ukugcina imithwalo ebalulekile isebenza phakathi nokuphazamiseka kwegridi.

Ngokungafani nokushefa okuphezulu, lapho ukugxila kunciphisa-iziqongo zesidingo sesikhathi esifushane, izinhlelo zokusebenza eziyisipele zidinga amandla anele asebenzisekayo ukuze kugcinwe ukusebenza ngesikhathi esilindelekile sokucisha.

Ukucushwa kwe-BESS okudingekayo kuncike kulokhu:

• Izidingo zamandla omthwalo obalulekile
• Ubude besikhathi sokusekela ngokuqondisa
• Izimo zokusebenza ngesikhathi sokucisha

Izibonelo Ezimbili Zokukhetha Ikhabhinethi Yangaphandle Ye-BESS

Izibonelo ezilandelayo zibonisa ukuthi izinjongo zephrojekthi zingathonya kanjani ukukhetha phakathi{{0}kumandla aphezulu kanye{1}}nobude besikhathi eside bekhabhinethi yokucushwa kwe-BESS.

(Lezi zibonelo zenzelwe ukuqhathanisa kokuqala kuphela. Ukulinganisa kwangempela kwesistimu kudinga ukuhlolwa okuningiliziwe kwamaphrofayela okulayisha, izimo zokusebenza, kanye nezidingo zephrojekthi.)

Isibonelo 1: Ukushefa Okuphakeme Kwasefekthri - Uma Amandla Eza Kuqala

Isimo sephrojekthi

Isikhungo sokukhiqiza sihlangabezana nesikhathi esifushane sesidingo esikhulu sikagesi phakathi namahora okukhiqiza.

Umgomo wephrojekthi uthi:

• Yehlisa ukufunwa kwegridi ephezulu;
• Izindleko zesidingo esiphansi;
• Sekela imithwalo esindayo ngesikhathi sokusebenza okuphezulu.

Cabanga:

• Ukwehliswa kwesiqongo sethagethi: 100 kW
• Ubude besikhathi sokusekela okuqondiwe: amahora angu-1.5

Isibalo sokuqala

Amandla adingekayo alethiwe: 100 kW × 1.5 h=150 kWh

Ngokusekelwe emandleni kuphela, isistimu enamandla acishe abe ngu-150 kWh webhethri ingase ibonakale yanele. Kodwa-ke, amandla okukhipha adingekayo awumkhawulo wokuqala wokulinganisa.

I-60 kW BESS ingase ingakwazi ukuzuza ithagethi yokunciphisa inani eliphakeme elingu-100 kW iyodwa, ngisho noma amandla ebhethri anele atholakalayo. Isilinganiso sokugcina samandla kufanele sihlolwe ngokusekelwe kulokho okuhlosiwe kokunciphisa isidingo, amandla e-PCS, nezimo zokusebenza zesayithi.

Kulesi simo, i-BESS yeklasi engu-125 kW-yeklasi yangaphandle ingase ihambisane kangcono nenjongo yokunciphisa inani eliphakeme elidingekayo.

Isibonelo 2: Ukushintsha Kwamandla Elanga Kwezentengiso - Uma Ubude Besikhathi Buza Kuqala

Isimo sephrojekthi

Indawo yezentengiselwano ikhiqiza amandla elanga ngokweqile emini kodwa iyaqhubeka nokusebenzisa ugesi kusihlwa.

Umgomo wephrojekthi uthi:

• Gcina amandla elanga angasetshenzisiwe;
• Yehlisa ukusetshenziswa kwegridi yakusihlwa;
• Thuthukisa ukusetshenziswa kwakho kwe-solar{0}}.

Isilinganiso samandla esenziwe lula:

Uma sicabanga ukuthi i-50 kW ye-PV engaphezulu ihlala itholakala amahora ama-3

Amandla adingekayo alethiwe: 50 kW × 3 h=150 kWh

Kulokhu, isidingo samandla silinganiselwe. Inselele enkulu ukugcina amandla anele nokuwakhulula isikhathi eside.

Ukumiswa-kwesikhathi eside, okufana nekhabhinethi yangaphandle engu-60 kW / 225 kWh BESS, kungase kufane kangcono naleli su lokusebenza.

Lezi zibonelo zibonisa ukuthi kungani kungekho "okungcono kakhulu" okukodwaiKhabhinethi yangaphandle BESS ukucushwakuwo wonke amaphrojekthi we-C&I.

Ukukhetha okulungile kuncike ekutheni iphrojekthi ivinjelwe ngokuyinhloko amandla okukhipha noma ubude besikhathi sokusebenza obudingekayo.

Yiluphi Ulwazi Olusiza Ukunquma Ukucushwa Okulungile kwe-BESS?

Ukukhetha iiKhabhinethi yangaphandle BESS ukucushwaidinga okungaphezu kokuqhathanisa umthamo webhethri noma ukukala amandla.

Ngemva kokuqonda ubudlelwano phakathi kwamandla, amandla, nobude besikhathi, isinyathelo esilandelayo ukuhlola ukuthi uhlelo luzosebenza kanjani endaweni yangempela yephrojekthi.

Ulwazi olubalulekile lwephrojekthi luhlanganisa:

Ngemva kokubuyekeza lezi zici, inqubo yokukhetha iba sobala. Izidingo zokulayisha zisiza ukuchaza amandla adingekayo, kuyilapho ubude besikhathi sokusebenza kanye nemigomo yamandla inquma umthamo webhethri ofanele.

Kumaphrojekthi we-C&I, ukucushwa kokugcina kuvame ukuvela ekulinganiseni izinto ezintathu:

• Imfuneko yamandla - ubukhulu bokulayisha ngasikhathi sinye okufanele busekelwe;
• Isidingo samandla - ukuthi ugesi ongakanani okufanele ugcinwe;
• Isu lephrojekthi - ukuthi i-BESS izosetshenziswa kanjani namuhla futhi inwetshwe esikhathini esizayo.

Ukukhetha i-BESS yekhabhinethi yangaphandle efanele akukhona nokukhetha umthamo webhethri ophakeme kakhulu. Ukucushwa okungcono kakhulu kuncike ezidingweni zamandla ephrojekthi, izidingo zamandla asebenzisekayo, ubude besikhathi sokusebenza okuqondiwe, ukwakheka kwesistimu, nezinhlelo zokunweba zesikhathi esizayo.

Ukuthi umgomo uwukushefa okuphezulu, ukushintsha amandla elanga, noma ukwesekwa kwekhophi yasenqolobaneni, isistimu kufanele ifaniswe nezimo zangempela zesayithi.

Udinga usizo lokukhetha i-BESS yekhabhinethi yangaphandle efanele yephrojekthi yakho? Yabelana ngephrofayela yakho yomthwalo, izidingo zamandla, nemigomo yohlelo lokusebenza ne-Polinovel. Ithimba lethu lingasiza ukuhlola umthamo webhethri ofanele, isilinganiso samandla, nokucushwa kwekhabhinethi.