Fa'idodin Buɗe Microgrid don Cibiyoyin Cajin EV

Amsa Mai Sauri

Microgrid don cibiyar caji ta EV yana haɗa ƙarfin lantarki na gida (PV na rana), ajiya (BESS), da nauyin caji tare da mai sarrafawa mai hankali wanda zai iya aiki tare da grid ko kuma wanda ke cikinsa. Fa'idodin sun kasance na gaske: ci gaba da caji yayin katsewar grid, raguwar kashi 30-60% na makamashin da aka saya ta hanyar amfani da hasken rana da aski mafi girma, buƙatar tanadin caji wanda yawanci ke biyan jarin ajiya a cikin shekaru 4-7, da sabbin kuɗaɗen shiga daga ayyukan grid. Ga tashoshin jiragen ruwa, filayen manyan hanyoyi, da cibiyoyin dabaru, tsarin grid ɗin microgrid yana canza kadarar caji mai amfani ɗaya zuwa dandamalin makamashi - wanda ke kula da lokacin aiki lokacin da grid ɗin ya gaza, siyan makamashi lokacin da yake da arha, kuma yana sayar da sassauci lokacin da hanyar sadarwa ke buƙatarsa. Yanayin ƙa'ida na 2026 a cikin EU, Arewacin Amurka, da Ostiraliya a bayyane yake ba da lada ga wannan halayyar ta hanyar haƙƙin haɗin kai, lambobin tsibirai, da kasuwannin ƙarfin aiki.

Muhimman Abubuwan Da Ake Ɗauka

• Tsarin microgrid yana ba wa tashoshin caji na EV damar yin aiki a tsibiran: na'urorin caji suna ci gaba da aiki yayin da jiragen sama ke aiki, suna kare lokacin aiki da kuma kuɗin shiga na jama'a.
• Ƙananan na'urorin adana makamashi masu amfani da hasken rana da kuma hasken rana suna rage makamashin da aka saya da kashi 30-60% da kuma buƙatar kuɗi da kashi 40-70% a wuraren da ake amfani da su sosai.
• Tarin kudaden shiga (sasantawa ta TOU, amsawar buƙata, ayyukan mita, biyan kuɗi) yana mayar da batirin zuwa cibiyar riba maimakon cibiyar kuɗi.
• Tsarin bin ƙa'idodi (IEEE 1547, Lambobin Sadarwa na EU, UL 9540, IEC 62933) yanzu suna ba da hanyoyi bayyanannu da za a iya amfani da su don gudanar da microgrid.
• Microgrids sune tsarin gine-gine mafi sauri don sabbin cibiyoyin caji: ƙira masu haɗaka suna rage farashi da lokacin aiki idan aka kwatanta da gina masu siyarwa da yawa.

Daga Tashar Caji zuwa Cibiyar Makamashi: Canjin Microgrid

Tambayi manajan rundunar jiragen ruwa menene wurin ajiyar caji kuma amsar a da abu ne mai sauƙi: wuraren ajiye motoci tare da caja da babban haɗin grid. Yi tambaya iri ɗaya a shekarar 2026 kuma amsar ita ce tsarin makamashi - wanda ke samarwa, adanawa, canza wutar lantarki, da kuma rarraba wutar lantarki, tare da grid a matsayin abokin tarayya maimakon mai samar da wutar lantarki kawai.

Abubuwa uku ne suka haifar da wannan sauyi. Na farko, layukan haɗin grid da farashin haɓakawa sun sa tsarin "babban haɗin grid" ya zama abin da ba za a iya araha ba, wanda ke tura masu aiki zuwa ga samar da kayayyaki na gida da ajiya. Na biyu, tattalin arzikin katsewa ya zama ba zai yiwu a yi watsi da shi ba: jiragen jigilar kaya waɗanda ba za su iya caji da dare ba suna rasa cikakken kuɗin shiga na yini ɗaya, kuma hanyoyin sadarwar caji na jama'a suna rasa kuɗi da suna tare da kowane taron hutu. Na uku, masu kula da doka sun sake rubuta ƙa'idodi: Ƙasashen EU sun canza Tsarin Kasuwar Wutar Lantarki da aka sake fasalin tare da goyon baya a bayyane don amsawar ajiya da buƙata; Kamfanonin wutar lantarki na Arewacin Amurka sun amince da IEEE 1547-2018 tare da ingantattun tanade-tanaden tsibirai; kuma masu gudanar da cibiyar sadarwa yanzu suna kwangilar sassaucin rarrabawa a sikelin.

Sakamakon haka shi ne cewa cibiyar caji tana zama anga ta hanyar microgrid ta halitta: tana da babban kaya mai sarrafawa, sarari don rufin hasken rana, kuma - tare da BESS - ƙarfin ajiya wanda microgrids ke buƙatar aiki.

Tsarin Halittar Microgrid na Cajin EV

Microgrid mai caji yana da matakai huɗu masu aiki:

1. Tsara.Na'urar hasken rana ta PV — yawanci tana da rufin da ke kan wuraren ajiye motoci ko kuma wani yanki na ƙasa da ke kusa da wurin ajiyar — girmanta zai iya rufe wani kaso mai mahimmanci na makamashin caji na shekara-shekara (30-70% ya danganta da yanayi da amfaninsa). 2.Ajiya.Na'urar LFP BESS mai sanyaya ruwa wadda aka auna don tazara tsakanin samarwa da kaya, don aski mafi tsayi, da kuma don abubuwan da ake buƙata na tsawon lokacin tsibiri (yawanci awanni 1-4 na nauyin hub). 3.Nauyin da za a iya sarrafawa.Caja na EV ɗin kansu, ana iya aika su ta hanyar OCPP 2.0.1 da ISO 15118, waɗanda ke ba wa mai sarrafawa damar jinkirta, rage gudu, ko fifita zaman a cikin iyakokin kwangila. 4.Mai sarrafa Microgrid (MGMS).Kwakwalwa: tana sa ido kan yanayin grid, tana hasashen yanayin PV da kaya, tana aika batirin, kuma tana aiwatar da sauye-sauyen tsibiri a cikin millise seconds.

MGMS shine bangaren da ke mayar da "battery plus solar plus chargers" zuwa microgrid. Ba tare da shi ba, sassan suna da 'yancin kai; tare da shi, suna aiki azaman hanya ɗaya mai daidaitawa wacce za ta iya canzawa tsakanin yanayin da aka haɗa grid da islanded ba tare da katse zaman ba.

Tsibirin: Raya Cibiyar Lokacin da Grid Ya Fasa

Islanding ita ce babbar hanyar sadarwa ta microgrid: cire haɗin wutar lantarki daga layin wutar lantarki da ya lalace da kuma ci gaba da aiki a kan samar da wutar lantarki da kuma adana ta a gida. Ga cibiyar caji, tsibirin yana mayar da katsewar wutar lantarki zuwa ƙaramin cikas.

Tsarin da aka tsara sosai yana ɗaukar ƙasa da daƙiƙa ɗaya:

1. MGMS tana gano ƙarfin wutar lantarki ko karkacewar mita a waje da haƙuri. 2. Tana buɗe wurin haɗakar wutar lantarki (PCC), tana ware cibiyar sadarwa daga matsalar hanyar sadarwa. 3. Batirin nan take yana canzawa daga bin hanyar sadarwa zuwa yanayin samar da wutar lantarki, yana kafa ƙarfin lantarki da mita ga tsibirin. 4. Caja suna ci gaba da aiki a matakan wutar lantarki da suka dace da ƙarfin hasken rana da batirin da ake da su - mai sarrafawa yana fifita manyan motoci (bas, jiragen gaggawa) akan zaman da aka zaɓa. 5. Lokacin da hanyar sadarwa ta dawo kuma ta daidaita, tsarin zai sake daidaitawa kuma ya sake haɗuwa ta atomatik.

Bukatar injiniya ita ce ƙarfin inverter mai samar da grid a cikin tsarin ajiya - takamaiman bayani wanda ke raba ainihin microgrids daga tsarin madadin mai sauƙi. Sarrafa grid-forming yana ba da damar kadarori da yawa su raba nauyin tsibiri daidai gwargwado, shi ya sa aka ƙayyade dandamali na zamani na BESS don cibiyoyin caji tare da wannan damar a matsayin misali.

Cinikin Tsawan Tsibiri da Tsarinsa

Dogon ikon tsibiri abu ne da ake buƙata ga masu aiki da yarjejeniyoyi na matakin sabis - hukumomin sufuri, masu kula da filayen jirgin sama, da jigilar kayan aiki na asibiti - yayin da manyan hanyoyin mota galibi ke zaɓar gajeriyar tsari da tattalin arziki.

Tarin Kuɗi: Fiye da Ajiyar Kuɗi

Kuskuren shine a tabbatar da cewa microgrid ɗin yana da juriya kawai. Kayayyakin ajiya suna samun riba a cikin rafuka biyar a lokaci guda:

Haɗin tarin yawanci yana ba da diyya ta shekaru 4-7 don ajiya kuma yana sarrafa saka hannun jari, tare da juriya a matsayin kari kyauta maimakon hujja kawai. Wannan dabarar tara kudaden shiga iri ɗaya ce da aka rubuta a cikin [bincikenmu na tattalin arzikin shaving na BESS](https://www.midapower.com/), wanda aka faɗaɗa tare da tsibirai da samar da su.

Tsarin don Aminci da Bin Dokoki

Microgrids suna tattara fasahar da aka tsara a cikin jerin tsare-tsare guda ɗaya, don haka bin ƙa'ida shigarwar ƙira ce, ba tunani na baya ba:

• IEEE 1547-2018(Arewacin Amurka): tsarin haɗin kai da kuma haɗin tsibirai, gami da hana tsibirai da kuma amfani da wutar lantarki/mita.
• Lambobin Sadarwa na Tarayyar Turai(RfG, DCC, da gyaran Tsarin Kasuwar Wutar Lantarki): kafa haƙƙoƙin shiga cikin haɗin kai, yankewa, da sassauci.
• UL 9540 / UL 9540AkumaIEC 62933: amincin ajiya da kuma hana ɗumamar zafi.
• IEC 61851 / ISO 15118 / OCPP 2.0.1: haɗin caji da caji mai wayo, ana buƙatar don aika kaya a cikin tsibirin.
• NFPA 855(Amurka) / Lambobin kashe gobara na gida: wurin zama, samun iska, da kuma rabuwa don wuraren ajiya.

Ya kamata masu aiki su kuma yi koyi da tsarin kariya a sarari: kwararar kurakurai a cikin tsibiri ta bambanta da kurakuran da ke cike da grid, kuma dole ne a saita jigilar kariya don duka hanyoyin biyu. Wannan fanni ne na musamman - wani dalili kuma da ya sa masu samar da kayayyaki masu haɗaka tare da jigilar microgrid na tunani ke rage haɗarin aikin.

Tsarin Grid-Connected vs Microgrid: Tsarin Shawara

Dokar yanke shawara da ta fito: idan shafin yana da yawan amfani, tsadar farashi, ko buƙatun aiki, ƙimar microgrid ɗin za ta biya a cikin rayuwarsa; idan amfani da shi kaɗan ne kuma ƙarancin katsewa, ƙirar grid kawai za ta kasance mai kariya - amma gibin yana rufewa kowace shekara.

Kammalawa

Fa'idodin ƙananan grid ga cibiyoyin caji na EV ba su da tushe a cikin ka'ida. Islanding tana kare kuɗaɗen shiga da suna yayin katsewa; rage kuɗin makamashi da ake saya da kuma buƙatun da ake buƙata ta hanyar faffadan riba; kuma kasuwannin sassauci suna biyan kadarorin da cibiyar ta riga ta mallaka. Tsarin ginin shi ma shine mafi tabbaci a nan gaba: yayin da V2G ke girma kuma ayyukan grid ke faɗaɗa, mai kula da microgrid shine dandamali na halitta don tsara su. Ga masu aiki da jiragen ruwa, masu amfani da wutar lantarki, da masu zuba jari a fannin kayayyakin more rayuwa waɗanda ke tantance sabbin cibiyoyin caji, tambayar ba ita ce ko za a yi la'akari da tsarin microgrid ba - amma yadda za a yi amfani da shi cikin sauri. Bincika [tsarin caji na BESS mai amfani da microgrid](https://www.midapower.com/) da [tsarin haɗakar hasken rana](https://www.midapower.com/) don jigilar bayanai da ƙayyadaddun bayanai game da tsibiran.

Tambayoyin da ake yawan yi akai-akai

1. Menene microgrid don caji na EV?Microgrid don cajin EV tsarin makamashi ne da ake sarrafawa a cikin gida wanda ya haɗa da samar da hasken rana, ajiyar batir, da caja waɗanda za su iya aiki tare da grid ko kuma waɗanda ke cikinsa yayin katsewa.

2. Ta yaya tsibirin ke amfanar da cibiyar caji ta EV?Islanding yana bawa cibiyar damar ci gaba da cajin motoci daga adanawa da kuma amfani da hasken rana idan layin wutar lantarki ya gaza, yana kare lokacin aiki da kuma kuɗin shiga na jama'a maimakon duhu.

3. Wane girman batirin da na'urar caji ta microgrid ke buƙata?Ga cibiyar samar da wutar lantarki mai ƙarfin kW 500, 400 kWh–2 MWh ya danganta da burin da ake da shi na tsawon lokacin tsibiri; girman wutar yana daidaita buƙatun tanadin caji, amfani da hasken rana kai tsaye, da buƙatun juriya.

4. Shin cibiyar caji ta microgrid za ta iya cire haɗin daga grid ɗin har abada?A zahiri, amma ba kasafai yake da rahusa ba: ikon mallakar grid a duk shekara yana buƙatar babban ƙarfin hasken rana da ajiya. Yawancin cibiyoyi suna aiki tare da grid kuma tsibirin ne kawai lokacin katsewa.

5. Menene manyan hanyoyin samun kudin shiga na tashar caji ta microgrid?Amfani da kai ta hanyar amfani da hasken rana, rage cajin buƙata, sasantawa ta TOU, amsawar buƙata da ayyukan layin wutar lantarki, da kuma guje wa katsewar wutar lantarki - tarin da ke biyan jarin ajiya a cikin shekaru 4-7.

6. Waɗanne ƙa'idodi ne suka shafi cibiyoyin caji na microgrid?IEEE 1547-2018 (haɗi/tsibirin), UL 9540/IEC 62933 (amincin ajiya), IEC 61851/ISO 15118/OCPP 2.0.1 (caji), NFPA 855 ko lambobin wuta na gida (wurin zama).

7. Tsawon wane lokaci ne sauyin tsibirai ke ɗauka?Tsarin zamani na BESS masu samar da grid suna aiwatar da canjin tsibiran cikin ƙasa da daƙiƙa ɗaya, yawanci ba tare da katse zaman caji mai aiki ba.