Mayankho Othandiza a BESS a Ma EV Charging Hubs Amphamvu Kwambiri

Yankho Lachangu

Kukula kwake ndi vuto lalikulu la mainjiniya a ma hubs amphamvu kwambiri a EV: malo amakono okhala ndi ma charger anayi ayenera kukhala malo a mawa okhala ndi ma megawatt khumi ndi asanu ndi limodzi opanda kukonzedwanso ndi kusinthidwa. Mayankho a BESS osinthika amayankha izi ndi zinthu zitatu zomwe zimakula pamodzi - mayunitsi a makabati (120–300 kWh), ma charger a BESS ophatikizidwa (200–625 kWh okhala ndi charging yomangidwa mkati), ndi makina okhala ndi zotengera (1–2 MWh+) - zonse zomwe zimayendetsedwa ndi EMS imodzi yomwe imagwiritsa ntchito malo osungira, ma charger, ndi kulumikizana kwa grid ngati chinthu chimodzi. Chifukwa mphamvu ya batri ndi ma module amphamvu zimawonjezedwa pang'onopang'ono pamene malowa akugwira ntchito, ogwiritsa ntchito amatha kugwiritsa ntchito ndalama zoyambira ndi kukula kwa magalimoto, kusunga kulumikizana kwa grid kukhala kochepa, ndikuyendetsa kusintha kuchokera ku 120 kW kupita ku 960 kW ndi kupitirira apo kupita ku MCS megawatt charging. Lamulo lachindunji: kukula kulumikizana kwa grid kwa magalimoto amakono, kukula kapangidwe ka BESS ka mawa.

Mfundo Zofunika Kwambiri

• Zinthu zosinthira mawonekedwe — kabati, cholumikizira, chidebe — zimalola ma hubs kukula kwa mphamvu mu kW ndi kWh popanda kuyimitsa ntchito.
• Kukhazikitsa kwa BESS pang'onopang'ono kumagwirizanitsa ndalama zomwe zimagwiritsidwa ntchito ndi kukula kwa magalimoto ndipo kumapewa kukulitsa kwambiri tsiku loyamba.
• EMS yogawana ndi msana wokulirapo: njira imodzi yowongolera yosungiramo zinthu, ma charger, ndi ntchito za gridi pamlingo uliwonse.
• Ma hubs amphamvu kwambiri (480 kW–2 MW) amafunika ma module amphamvu ozizira ndi madzi komanso kasamalidwe ka kutentha kwa batri kuti asunge mphamvu yotulutsa.
• Malo omwe ali ndi gridi yochepa amagwiritsa ntchito BESS kuti awonjezere mphamvu yochajira popanda kudikira zosintha za transformer.

Vuto Lokulitsa Kukula kwa Kuchaja Kwamphamvu Kwambiri

Kufunika kwa magetsi pagulu sikukukula molunjika — kumapitirira. Malo otsegulira msewu waukulu omwe amatsegulidwa ndi ma charger anayi a 120 kW akhoza kugwiritsidwa ntchito katatu mkati mwa miyezi 24 pamene magalimoto oyandikana nawo akudzaza magetsi, zomwe zimapangitsa kuti magetsi achuluke kufika pa madoko khumi ndi awiri kapena khumi ndi asanu ndi limodzi. Yankho lachikhalidwe, transformer yayikulu ndi ma charger ambiri, limakumana ndi zenizeni ziwiri: kukweza ma transformer kumawononga ndalama zokwana USD 50,000–200,000 ndi nthawi yotsogolera ya miyezi 12–18, ndipo mapangano olumikizirana ndi magetsi amakambidwanso movutikira. Ogwira ntchito omwe amamanga magalimoto amakono amaletsa kukula kwawo; ogwira ntchito omwe amamanga magalimoto amtsogolo amawononga ndalama zambiri chifukwa cha mphamvu yosagwira ntchito.

BESS imachotsa mphamvu yochaja kuchokera ku mphamvu ya gridi. Hub imatha kukhazikitsa ma charger amphamvu nthawi yomweyo, kuwayendetsa kuchokera ku kutuluka kwa batri panthawi yomwe magetsi akuyenda bwino, ndikujambula mawonekedwe okhazikika komanso okhazikika kuchokera ku gridi. Pamene magalimoto akukula, wogwiritsa ntchito amawonjezera makabati a batri kapena zotengera ndi ma module amagetsi - osati ma transformer. Iyi ndi njira yokulira yomwe ma hubs a megawatt ku Europe ndi North America akugwirizanitsa, ndipo ndichifukwa chake mzere wazinthu za MIDA umaphatikizapo makabati, malo olumikizirana, ndi zotengera zomangidwa mozungulira ma module amagetsi wamba.

Zinthu Zitatu Zokhudza Mafomu, Nkhani Imodzi Yokulirakulira

Mayankho a BESS a ma hub amphamvu kwambiri amabwera m'njira zitatu zogwirizana. Kusankha pakati pawo si chisankho cha chimodzi/kapena chimodzi — ma hub okhwima amayendetsa zonse zitatu:

Lingaliro logwirizanitsa: mawonekedwe aliwonse amalankhula chilankhulo chomwecho cha EMS ndipo amagwiritsa ntchito mipiringidzo yofanana - kusintha kwa AC-DC mbali zonse ziwiri, ma racks a batri oziziritsidwa ndi madzi, ndi ma module amagetsi a DC modular. Wogwiritsa ntchito amatha kuyamba ndi [ma charger a BESS awiri ophatikizidwa] (https://www.midapower.com/integrated-bess-charger/), kuwonjezera [kabati yojambulira ya BESS] (https://www.midapower.com/bess-charger-cabinet/) pamene ndege yagundana, ndikuyika [chidebe cha 2 MWh] (https://www.midapower.com/bess-charger-container/) pamene hub ifika pa megawatt scale, yokhala ndi nsanja imodzi yowongolera komanso luso limodzi lokonza zonse.

Njira Yoyezera Kukula: Kuyambira pa Ma Charger Anayi Mpaka Makumi Awiri ndi Anayi

Funso lothandiza lomwe wogwiritsa ntchito aliyense amafunsa ndi lakuti "Kodi batire ndi yochuluka bwanji, ndipo liti?" Njira yowunikira yomwe ili pansipa yakhala yothandiza kwambiri m'malo osungira magalimoto, malo oimika magalimoto, ndi malo opitirako:

1. Chitsanzo cha momwe katundu amachitikira.Mbiri ya miyezi 12 ya magawo oyembekezeredwa: magawo patsiku, mphamvu yapakati pa gawo lililonse, ndi magulu a anthu ofika. Nthawi yofika (nthawi zambiri 16:00–20:00 kapena masana a magulu ankhondo) imafotokoza nthawi yotulutsira katundu. 2.Konzani kukula kwa gridi yolumikizira lero.Kuchepetsa 60–70% yokha ya kufunikira kwa chaji yapamwamba kwambiri ngati mphamvu ya gridi. Batri imapereka kusiyana panthawi ya peak. 3.Ikani batri kukula kwake kuti igwirizane ndi kukula kwake.Kuwonjezeka kulikonse kwa mphamvu (monga +200 kWh) kuyenera kuphimba miyezi 18-24 yotsatira ya kukula kwa katundu. Apa ndiye malo abwino pakati pa kugwiritsa ntchito bwino ndalama ndi kuchuluka kwa nthawi yobwezera mphamvu. 4.Onjezani mphamvu mu ma module owonjezera.Ma module amphamvu (30–60 kW muyezo, 40–125 kW yoziziritsidwa ndi madzi) mphamvu yotulutsa. Popeza ma module amatha kusinthidwa m'makabati a MIDA, kukweza mphamvu sikufuna malo atsopano otsekera ma charger. 5.Kuwunikanso kotala lililonse.Deta ya magalimoto imapatsa dongosolo lokhazikika; makontena amatha kuwonjezeredwa mkati mwa nthawi yogula nthawi zonse pamene kugwiritsa ntchito kudutsa malire.

Gome ili m'munsimu likuwonetsa magawo oyimira ma hub ku ma configuration a BESS:

Mphamvu ya Megawatt: 960 kW mpaka 2 MWh ndi Kupitirira apo

Kuyika magetsi amphamvu kwambiri kukukankhira ma hubs kupitirira chizindikiro cha 1 MW, komwe mphamvu ziwiri zimasintha uinjiniya: mphamvu zamagetsi zoyatsira magetsi tsopano zafika 600 kW–1.5 MW pa pulagi iliyonse (MCS ya magalimoto), ndipo kasamalidwe ka kutentha kumakhala choletsa cha gating. Pa mphamvu izi, zingwe 500 za A+ zoziziritsidwa ndi madzi ndi ma module amphamvu oziziritsidwa ndi madzi ndizofunikira - kuziziritsa mpweya sikungakane kuchuluka kwa kutentha. Ma MIDA's [liquid-cooled power modules](https://www.midapower.com/liquid-cooled-power-module/) (40–125 kW) ndi 1,000 V wide-voltage architectures amathandizira ma configurations a megawatt-class, okhala ndi [BESS charging stations](https://www.midapower.com/bess-charging-station/) monga 960 kW/2 MWh unit ndi 480 kW/1 MWh systems zomwe zapangidwira ntchito imeneyi.

Kwa ogwira ntchito zama hub, kusintha kwa ma megawatt kumalimbitsa mfundo yoti chidebe cha 2 MWh sichili chachikulu, ndi gulu losiyana la mphamvu zomwe zimadyetsa basi yonse ya DC ya hub. EMS imakambirana pakati pa chidebe, makabati, ndi magalimoto olumikizidwa, kuonetsetsa kuti mtengo wocheperako wowonjezera pulagi imodzi ya 600 kW ndi gawo lamagetsi ndi chingwe - osati malo osinthira magetsi.

Zopinga za Grid: Pamene BESS Ndiyo Njira Yokhayo Yokulitsa

Malo ambiri ofunikira kwambiri — madera okhala ndi anthu ambiri m'matauni, mapaki a mafakitale, malo operekera chithandizo cha magalimoto akuluakulu — amakhala pa malo odyetsera madzi okwanira komwe malo ogwiritsira ntchito magetsi sangatsimikizire mphamvu yowonjezera kwa zaka zambiri. Pa malo awa, BESS si njira yopezera ndalama zokwanira; ndi ukadaulo wothandiza. Malowa amagwiritsa ntchito mphamvu zake zochepetsedwa nthawi zonse, amasunga mphamvu nthawi yomwe magalimoto samayenda kwambiri (kuphatikizapo usiku wonse), ndipo amapereka mphamvu yochajira kuposa momwe amalumikizirana ndi mawindo okhazikika. Ogwiritsa ntchito amapanga bwino microgrid yachinsinsi pamwamba pa ntchito ya grid yotsekedwa.

Njira imeneyi yogwirira ntchito imasintha mbiri ya chiopsezo chomwe chikugwirizana ndi wogwiritsa ntchito: palibe kudikira kolumikizana, palibe kuphulika kwa ndalama zomwe zimafunika, komanso kutsimikizika kwa makasitomala ngakhale panthawi ya gridi. Komabe, kapangidwe kake kayenera kukhala ndi chitetezo champhamvu cha islanding ndi ma inverter ogwirizana ndi gridi kotero kuti hub idulidwe bwino panthawi ya zochitika zamagetsi ndikulumikizananso zokha - kutsatira malamulo omwe satifiketi yachigawo (CE, UL, ma gridi am'deralo) amatsimikizira.

Zoganizira Zogwira Ntchito Pamlingo Wonse

Kukulitsa zida popanda kukulitsa ntchito ndi momwe phindu la ma hub limadumphira. Zipilala zinayi zogwirira ntchito zimapangitsa kuti hub ikukula bwino:

1. EMS imodzi, chowonadi chimodzi.Pulatifomu imodzi yoyendetsera mphamvu imaphatikiza BESS momwe imagwirira ntchito, kuchuluka kwa ma charger, kuchuluka kwa ma metered demand, ndi ma grid signals. Kulamulira kogawanika pakati pa ogulitsa ndi njira yofala kwambiri yolephera kwa ma hubs okulirapo. 2.OCPP 2.0.1 ndi ma protocol otseguka.Ma charger ndi malo osungira ayenera kuwonetsa ma interfaces owongolera ndi telemetry omwe EMS ikufuna. OCPP 2.0.1's SmartCharging ndi luso loyang'anira zida ndizomwe zimayambira pakugwirira ntchito limodzi kwa zinthu zambiri. 3.Kusamalira kutentha ngati njira yapamwamba kwambiri.Kuziziritsa kwamadzimadzi kwa ma racks a batri ndi ma module amphamvu kwambiri kuyenera kupangidwa molingana ndi kapangidwe kake, osati kuyikidwa ndi bolt. Pa sikelo ya 960 kW, kutayika kwa kutentha kwa 10% kumatanthauza kutayika kwa ndalama kwa manambala asanu ndi limodzi pachaka. 4.Kubwezeredwa ndalama kuti mupeze ndalama.Pa gawo la hub, choyatsira chimodzi chosagwira ntchito ndi chochitika chomwe makasitomala amakumana nacho, koma EMS yosagwira ntchito ndi vuto la ndalama. Ikani zowongolera zosafunikira, gawani basi ya DC pakati pa makontena, ndikusunga ma module amagetsi owonjezera pamalopo - ma module osinthika amatha kukonza kwa mphindi 15 kuchokera pakulephera kwa masiku atatu.

FAQ

1. Kodi BESS imapangitsa bwanji kuti malo ochajira magetsi azitha kukulitsidwa?BESS imachotsa mphamvu yochaja kuchokera ku mphamvu yolumikizira gridi. Ogwiritsa ntchito amawonjezera ma charger ndi mphamvu ya batri pang'onopang'ono pamene akujambula mbiri ya gridi yotsekedwa, kupewa kukweza transformer ndi kuchedwa kwa kulumikizana komwe nthawi zambiri kumakula.

2. Ndi kukula kotani kwa BESS komwe kulipo pama hubs amphamvu kwambiri?Mphamvu yamagetsi yogwira ntchito imayambira pa mayunitsi a makabati pa 120–300 kWh, kudzera mu ma charger a BESS ophatikizidwa pa 200–625 kWh, mpaka ku makina okhala ndi makontena pa 800 kWh–2 MWh. Mzere wa MIDA umakhudza zinthu zonse zitatu zomwe zili pa nsanja zamagetsi zomwe zimagwiritsidwa ntchito.

3. Kodi ndingathe kukulitsa malo olumikizirana a BESS popanda kuyimitsa ntchito?Inde. Makabati, makontena, ndi ma module amagetsi osinthika amalola kuti pakhale mphamvu yowonjezera pamene malowo akupitilira kutchajidwa. Kukula ndi chochitika chogula, osati ntchito yomanga.

4. Kodi ndikufunika kulumikizana kwa gridi ya kukula kotani kuti ndipange hub ya 480 kW yokhala ndi BESS?Chida chamagetsi cha 480 kW chokhala ndi 625 kWh–1 MWh BESS nthawi zambiri imagwira ntchito pa kulumikizana kwa 250–400 kVA. Batriyi imapereka kufunikira kwakukulu pomwe gridi imaphimba mbiri yapakati.

5. N’chifukwa chiyani kuziziritsa madzi n’kofunika pamlingo wa megawatt?Pa 600 kW–1.5 MW pa pulagi iliyonse, kuziziritsa mpweya sikungakane kutentha kwa magetsi ndi ma racks a batri. Ma module ndi zingwe zoziziritsidwa ndi madzi zimasunga mphamvu yotulutsa komanso kukhala ndi moyo wautali m'malo okhala ndi mpweya wabwino - zomwe ndizofunikira kuposa mphamvu ya hub ya 480 kW.

6. Kodi ndingasankhe bwanji makabati, malo osungiramo zinthu, ndi makontena?Gwirizanitsani mawonekedwe ndi gawo la kukula: ma charger a BESS ophatikizidwa kuti agwiritsidwe ntchito pang'onopang'ono, makabati okhala ndi mphamvu yowonjezera pambali pa ma charger omwe alipo, ndi zotengera zamagetsi zomwe zimagwiritsidwa ntchito pa hub-level ndi ntchito za grid pa sikelo ya 1 MWh+.

7. Kodi EMS imagwira ntchito yotani pa malo ochitira misonkhano akuluakulu?EMS ndi njira yowongolera yomwe imagwirizanitsa kutulutsa kwa batri, kuchuluka kwa ma charger, kuchuluka kwa ma metered demand, ndi ma grid signals pazinthu zonse. Ndi zomwe zimapangitsa kuti ma hub okhala ndi ma multicontainer, multi-charger hubs azigwira ntchito ngati njira imodzi yodalirika komanso yopezera ndalama m'malo mokhala ndi zinthu zambiri.