Khuphela iPDF yezichazi zobuchwepheshe

Indlela yokulinganisa i-BESS yamandla ombane oshishino asuka kwi-Single-Phase ukuya kwi-Three-Phase

Xa iziko linejenereyitha enesigaba esinye eyi-120/240V okanye umthombo wamandla oqelelekileyo onamandla anqongopheleyo, kodwa iimpompo, iikompresha kunye nezixhobo zokuvelisa zifuna amandla ombane anezigaba ezithathu angama-400V, isisombululo asikokuba “thenga i-inverter enkulu.” Uyilo kufuneka lwahlule ukutshaja kwe-single-phase ekudalweni kwegridi ye-three-phase, lize lilungiselele ubungakanani bebhetri ngokusekelwe kweyona meko iphantsi yokutshaja kunye nexesha elikhoyo lokubuyisela amandla.

Isigqibo sobunjineliIsiphumo
Isigqibo soyilo lwezakhiwoSebenzisa i-rectifier ye-AC/DC ezimeleyo, enomda wangoku, ephaya kwi-bus ye-DC ekwabelwana ngayo, kunye ne-PCS eyakhiweyo eqinisekisiweyo eyenza i-grid, kwisiqhamo esinamashini amathathu.
Isigqibo samandlaUmthwalo oboniswe apha ufuna umthamo oqhelekileyo we-228.0 kWh emva kokusetyenziswa kwe-SOC window, i-cold derating kunye nokugcinwa ekupheleni kobomi.
Isikrini semvelisoIkhabhathi ye-215.04 kWh ayikufikeleli kwimfuno ebaliweyo; iqonga le-261.24 kWh libonelela ngomargin wamanani oyi-33.24 kWh.
Imeko yokukhululwaUkufunyanwa kokugqibela kusekuxhomekeke kwidatha yejeneretha, i-rectifier, i-PCS, ukuqalisa imoto, ukhuseleko, ubushushu kunye nesatifikethi.
iMegSolid 215.04 kWh yekhabhathi epholiswa ngumoya, i-BESS epholiswa yingcambu eyi-261.24 kWh kunye ne-PCS eyi-400 V yamanqanaba amathathu edityaniswe kwinqanaba elinye ukuya kumanqanaba amathathu, i-infographic yobunjineli.

Ngaba umthombo wakho wombane we-single-phase unamandla aneleyo kwi-rectifier ecetywayo?
Thumela ipleyiti yegama legenerator, isilinganiso sebrekeri kunye neprofayili yemithwalo yeeyure ezingama-24 ukuze kwenziwe uphononongo lokuqala lokwenzeka.

I-Topology ye-Dual-Port DC-Coupled yokuguqula i-Phase

Iiyunithi ezininzi eziqhelekileyo ze-PCS ezine-port enye aziyilelwanga ukwamkela umthombo wokutshaja we-AC we-single-phase ngelixa ngaxeshanye zisenza isiqithi esizimeleyo se-three-phase. Kuyilo oluvavanywe apha, ijeneretha ye-single-phase eyi-120/240V idityaniswa kwi-rectifier ye-AC/DC ekhethekileyo. I-rectifier ithintela umbane ongenayo kwaye ityisa i-bus ye-DC ekwabelwana ngayo. Ibhetri ithomalalisa umahluko phakathi kwamandla omthombo namandla omthwalo, ngelixa eyona I-MegSolid 30–500kW Inkqubo yokuguqula amandla Yenza isiphumo se-400V esine-three-phase.

Olu lwahlulo lusebenzayo lwahlula imithwalo yoshishino kwiziphazamiso zovoltage kunye ne-frequency ezivela kwicala lemvelaphi. Imodeli ye-PCS ekhethiweyo kufuneka ixhase ngokucacileyo imo ejolisiweyo yokusebenza ngaphandle kwegridi/yokwakha igridi, isiphumo se-3W+N+PE, umthwalo ongalinganiyo, i-kVA yokuqalisa iimoto, ixesha lokugqithisa umthwalo kunye noloyiko lokhuseleko. Jonga okunzulu Isikhokelo sobunjineli se-PCS nokwakha igridi phambi kokuba sicinge ukuba yonke i-inverter ejikelezayo ingakwazi ukwenza lo msebenzi.

Itopoloji yobunjineli ebonisa umthombo we-single-phase, i-rectifier ye-AC DC enomda wangoku, ibhasi ye-DC, i-BESS yeMegSolid 261.24 kWh, i-PCS ye-400 V kunye nemithwalo yoshishino ye-three-phase.

Isakhiwo senkqubo: Ijenereyitha enesigaba esinye okanye i-grid → i-rectifier ye-AC/DC enomda wangoku → ibhasi ye-DC ekwabelwana ngayo nebhetri → i-PCS ye-DC/AC eyenza i-grid → imithwalo yoshishino ye-400V enezigaba ezithathu.

Imida emine yobunjineli ekufuneka iqinisekiswe

Ukulinganisa i-BESS: Umthwalo oqhubekayo, Ukuqaliswa kwemoto kunye nokuBuyiselwa kweMpilo-gqi

I-BESS enguqulo-sigaba inamanqanaba okulinganisa amabini azimeleyo: amandla kunye namandla agciniweyo. Amandla e-PCS kufuneka ahlangabezane ne-kVA ephezulu edityanelweyo, kuquka ukuqalisa iimoto kunye neemfuno ezibuyayo. Amandla ebhetri kufuneka agubungele eyona nkcitho iphezulu iyonke phambi kokuba iqale ixesha lokubuyisela. Iimotha ezinzima ezifana nepompo yamanzi eyi-22kW njengoko kubonisiwe kufuneka zisebenzise i-VFD okanye isiqalisi esithambileyo (soft starter), apho i-kVA yokuqalisa ithathwa kwiidayatshithe zemoto kunye neziqalisi ezithile, hayi kwisibalo esiqhelekileyo.

Umthamo ofunekayo = (147.96 kWh + 8.0 kWh) ÷ (0.90 × 0.95 × 0.80) = 228.0 kWh

Ubalo lusebenzisa ukwehla okuphezulu kwe-SOC, hayi ibhalansi encinci yemihla ngemihla yamandla. Olo lwahlulo luthintela inkqubo ukuba ingabonakali isimeme kwiiyure ezingama-24 ngelixa isagqitha umthamo wayo onokusetyenziswa ngexesha leeyure ezili-14 zasemini.

Isigqibo ngomthamo: 215.04 kWh vs 261.24 kWh

IMegSolid ipapasha i Inkqubo ye-ESSA0100B-0215 epholiswa ngumoya, i-C&I Kwi-100kW ne-215.04kWh kusetyenziswa iiseli ze-LFP eziyi-280Ah kulungiselelo lwe-1P240S. Ngenxa yokuba i-215.04kWh ingaphantsi kwe-228.0kWh yesikrini, ikhabhathi enye ayonelanga phantsi kweziqikelelo ezichaziweyo.

Ofanayo Meg-Solid Energon 261.24kWh inkqubo ye-C&I epholisiweyo ngamanzi ipapashwe kwi-125kVA, 261.24kWh, 314Ah LFP kunye ne-1P260S, enepulatifomu ye-DC enenani eliqhelekileyo le-832V kunye nomda wokusebenza we-676–936V. Iyicacisa isikrini nge-33.24kWh yomthamo oqhelekileyo.

Uthelekiso lwamandla eMegSolid 215.04 kWh ikhabhathi epholisiweyo ngumoya, i-228.0 kWh imfuneko eqhelekileyo kunye ne-261.24 kWh i-BESS epholisiweyo ngulwelo.

Umda wereferensi yemveliso ulungisiwe: Inkqubo ye-C&I yamandla aphezulu eyi-261.24kWh kufuneka ixhaswe liphepha layo lenkqubo kunye nephepha leenkcukacha zeprojekthi. Imveliso eyahlukileyo yeMegSolid eyi-51.2V/314Ah yimodyuli yebhetri yovoltiji ephantsi eyi-16.07kWh; ayisoshedi yedatha yekhabhathi eyi-832V, 1P260S C&I. Umthamo ekwabelwana ngawo we-314Ah awenza ezi mveliso zimbini zikwazi ukutshintshiselana ngombane.

Jikisa isibalo sokuhluza sibe sisicatshulwa sexabiso leprojekthi.
Nika idatha yokuqalisa kwemoto yomzuzwana omnye okanye ngokukhawuleza apho ifumanekayo, iprofayili yemithwalo yeeyure ezingama-24 kunye ne-SOC yokugcina efunekayo.

Ikemistri yebhetri neqonga lobushushu: Into ekufuneka umthengi ayiqinisekise

Ikhabhathi ye-215.04kWh kunye nekhabhathi ye-261.24kWh zahlukile ngaphezu kwamandla abizwa ngokuba ngawokulinganayo. Owokuqala udweliswe neeseli ze-LFP eziyi-280Ah kunye nokupholisa komoya okubukrelekrele; owamva usebenzisa i-LFP engu-314Ah, umanyano lwe-1P260S kunye nokupholisa okwenzeka ngolwelo. Ukuze ufumane umxholo obanzi wemveliso, jonga i Ipotifoliyo yokugcina amandla yeMegSolid C&I.

Musa ukufikelela kwisigqibo malunga nokusebenza kokusasazwa, iwaranti yomjikelo okanye indlela yokuphathwa kwe-inshorensi ngamazwi athi “hybrid solid-state” kuphela. Cela amaxwebhu e-chemistry kwinqanaba leeseli, i-BOM yenkqubo, umda wesiqinisekiso osesikweni somzekelo, uyilo lobushushu, imizobo yokukhusela umlilo kunye neengxelo zovavanyo ezifanelekileyo. Uthelekiso lwe-datasheet ye-LFP phakathi kwe-solid-state ne-liquid Ichaza ukuba zeziphi iimangalo ezifuna ubungqina obuzimeleyo.

Iphepha lemveliso ye-261.24kWh lidwelisa ukusebenza okuphezulu kwenkqubo okuyi-90%. Elo xabiso akufuneki lityathathelwe ngokuzenzekelayo njengokusebenza kokuguqula umbane ukusuka kwi-AC ukuya kwi-AC nokubuya. Qinisekisa umda wokulinganisa, i-SOC window, amandla okutshaja nokukhupha, ubushushu, ukusetyenziswa kwezincedisi, ilahleko ye-transformer kunye nemeko yempilo yebhetri kwisicwangciso sovavanyo leprojekthi.

Iprofayile Yomthwalo Yase-Ontario Ebonisayo NokuBuyiselwa kwe-SOC

Khawucinge ngendawo yokuvelisa e-Ontario esebenzisa ijeneretha yedizili eyi-60kVA yefazi enye eyi-120/240V ukuxhasa impompo yamanzi eyi-22kW exhotyiswe nge-VFD kunye nekomprexa ye-HVAC eyi-15kW. Ngethuba lemihla eyi-14 yokuvelisa, umthwalo we-37kW uvelisa isikhewu se-DC-bus esiqikelelwa kwi-10.04kW emva kweengqikelelo ezichaziweyo zoguqulo. Ngethuba lobusuku lweeyure ezili-10, umthwalo osisiseko we-7kW ushiya intsalela ye-DC-bus eyi-21.21kW yokubuyisela.

Kumlinganiselo ogqibeleleyo wokufunxa i-DC we-21.21kW net, ukuthatha indawo ukutsalwa kwamandla emini okungu-147.96kWh kuthatha malunga neeyure ezisixhenxe phambi kokuncipha kokutshaja, imida yobushushu kunye neendidi zolawulo ezigciniweyo. I-EMS kufuneka inciphise okanye imise umveliso we-rectifier njengoko kusondelwa kumda ophezulu we-SOC, ngelixa igcina umthwalo wobusuku we-7kW wesakhiwo kwaye ihlonipha umthwalo omncinci wejenereyitha. Phonononga i Isakhiwo sonxibelelwano se-BMS ne-EMS xa kuchazwa ezo myalelo kunye neemeko zokhuseleko ekuhlulekeni.

IiHarmoniki, Ukhuseleko kunye neMida yokuThotyelwa

Ii-VFDs kunye neminye imithwalo engeyiyo eyolula inokugqwesa imicimbi ye-microgrid esandul' ukwenziwa. Inani elinye le-THDi alanelanga ukubonisa ukusebenza kwe-IEEE 519 kwindawo yokudibana: uphando kufuneka luthathele ingqalelo i-TDD, ulandelelwano lweharmonic, umlinganiselo we-Isc/IL, i-impedance yomthombo kunye nemida yokulinganisa yokwenene. Iphepha le-PCS lipapasha ukusebenza kwiimeko ezivavanyelweyo, kodwa uvavanyo lokwamkelwa kwendawo kufuneka lumele ijenereyitha yokwenene, i-rectifier kunye nomthwalo odityanisiweyo.

Iinkqubo ze-C&I ezinamandla aphezulu nazo zidinga ukufunyanwa komsi, ubushushu kunye neegesi eziyingozi, ulogiki lokukhusela umlilo, ukwahlula, iziqhoboshi zikaxakeka kunye neendlela ezicwangcisiweyo zokuvala. Sebenzisa i- Isikhokelo sokuthintela ukuphaphazela ngenxa yobushushu se-BESS kunye ne Isikhokelo sobunjineli se-UL 9540A ne-IEC 62619 ukuchaza iphakheji yobungqina. I-UL 9540A yindlela yokuvavanya; ayifani nesatifikethi senkqubo se-UL 9540.

I-output ye-400V kufuneka ikwalinganiswe neswitchboard yeziko, izixhobo zokukhusela kunye nenkqubo yokufaka umhlaba. Isikhokelo soqhagamshelo lwe-switchboard ye-400V BESS Inika uluhlu lokujonga lwezombane lwenqanaba elilandelayo.

Iinkcukacha ze-RFQ ezifunekayo phambi kokukhethwa kokugqibela

Fumana isiphakamiso se-BESS sokuguqula isigaba esisekelwe kumjikelo wakho wokwenene womsebenzi.
I-MegSolid inokudibanisa umda we-rectifier, i-PCS duty, umthamo webhetri, uyilo olushushu kunye ne-EMS interlocks kwisibonelelo esinye esikhethekileyo seprojekthi.

Imibuzo Ebuzwa Rhoqo

Asikokucingela nje. Iimveliso ezininzi ze-PCS zifuna unxibelelwano lwe-AC olunezigaba ezithathu oluhambelanayo okanye umthombo webhetri ye-DC. Ukuba inkqubo kufuneka itshaje kumandla e-120/240V esigaba esinye ngelixa isenza ibhasi eyahlukileyo ye-400V enezigaba ezithathu, chaza kwaye uqinisekise i-rectifier ezimeleyo ye-AC/DC okanye elinye inqanaba lokufaka elivunyiweyo ngumenzi.

Iguqula umthombo we-single-phase ibe yingena ye-DC elawulwayo kwaye ithintela umsinga ukuze ijenereyitha ingami okanye ikhubeke. Ikwahlula ukuphazamiseka kwe-frequency ne-voltage kwicala lomthombo kwi-PCS eyenza i-bus yomthwalo we-three-phase.

Le modeli yongeza i-147.96kWh yomlinganiselo ophezulu wokutsalwa kwebhetri emini kunye ne-8.0kWh yezixhobo ezincedisayo, ize yahlula nge-90% SOC window, i-95% cold derating factor kunye ne-80% end-of-life retention: 155.96 ÷ 0.684 = 228.0kWh.

Hayi, phantsi kweziqikelelo ezichaziweyo. Amandla ayo aqikelelweyo angaphantsi nge-12.96 kWh kunemfuneko yokuhlola ye-228.0 kWh, phambi kokuba iimfuno ezikhethekileyo zeeprojekthi zamandla e-AC asetyenziswayo kunye neziphumo ziqinisekiswe ngokwasemthethweni.

Umthamo wayo opapashiweyo ogama elingaphezulu ungaphezulu kwesikrini se-228.0kWh nge-33.24kWh. Ikwabonelela ngeqonga lamandla le-125kVA kunye nokupholisa okwenzeka ngokweliqabane elingamanzi, kodwa ukukhetha kokugqibela kusafuna isiqinisekiso samandla asetyenziswayo, indlela yokuziphatha kwe-PCS, ukusebenza kweqondo lobushushu kunye nemida yewaranti.

Hayi. I-module yovoltiji ephantsi yimveliso eyi-51.2V, 16.07kWh. Ikhabhathi ye-C&I yinkqubo yovoltiji ephezulu eyi-1P260S enovoltiji eqhelekileyo ye-DC eyi-832V kunye namandla aqikelelweyo angama-261.24kWh. Inani elifanayo le-314Ah alenzi i-datasheet zabo zikwazi ukutshintshana.

Sebenzisa amandla abonakalayo aphezulu axubeneyo, hayi kuphela ii-kW ezisebenzayo. Bandakanya i-kVA yokuqalisa kwemoto, ifaktha yamandla, umthwalo wamandla aphendulayo, umthwalo ongalinganiyo, umsinga weharmonic kunye nexesha lokugqithisa komthwalo komvelisi kwiqondo lobushushu nophakamo lweprojekthi.

Ziyacetyiswa kakhulu kwiimoto ezinkulu kule meko yokufumaneka okulinganiselweyo. Imfuneko yokugqibela ixhomekeke kwikhaleji yokuqalisa ngqo, kumthamo wokumelana nomthwalo we-PCS, kwisabelo segenerator, kwi-torque yenkqubo kunye nemithwalo eqhuba ngaxeshanye.

Kungenzeka, kodwa isalathiso se-kVA esikwipleyiti yegama sodwa asonelanga. Qinisekisa isilinganiso samandla okwenene esiqhubekayo, umsinga webreyikha, ifaktha yamandla ye-rectifier kunye nomsinga we-harmonic, ukuncitshiswa kwamandla ngenxa yobushushu bengqongileyo/ubude, umthwalo omncinci, impendulo yotshintsho olukhawulezayo kunye nomthwalo ongengobumnatha ovumelekileyo ngumenzi wejenereyitha.

Kwinto ebonisiweyo yokusinda kwe-DC engu-21.21kW net, ukutshintsha i-147.96kWh kuthatha malunga neeyure ezisixhenxe phambi kokuba kwehle ireyithi yokutshaja kunye neminye imida yolawulo. Ixesha lokwenene lokubuyisela lixhomekeke kwigrafu yokutshaja, ubushushu, izixhobo ezincedisayo, ugcino oluphezulu lwe-SOC kunye nokufumaneka kwejenereta.

I-EMS kufuneka inciphise okanye imise ukutshaja i-rectifier, igcine umthwalo wezibonelelo zasebusuku kwaye igcine ijeneretha ngaphakathi komda wemithwalo evumelekileyo. Kufuneka ikwachaze indlela yokuziphatha ekhuselekileyo ukuba imitha, i-BMS, i-PCS okanye unxibelelwano luyasilela.

Akunakwenzeka ngaphandle komda ovakalisiweyo ovavanyo. Buza ukuba i-PCS, itransformer, ibhetri, ukupholisa, ukufudumeza kunye nokulahleka okuncedisayo zibandakanyiwe na, kwaye ucacise i-SOC, iqondo lobushushu, amandla okutshaja/okukhupha umbane kunye nemeko yempilo yebhetri kuvavanyo lokwamkelwa.

Hayi. Uvavanyo lwe-IEEE 519 kwi-PCC lufuna imida ye-TDD esebenzayo, iiodolo zeharmonic, umlinganiselo we-Isc/IL, umda wokulinganisa kunye neemeko zokusebenza. Ixabiso elinye le-THDi lingaxhasa uphando kodwa alithathi ndawo yalo.

Isenokwenzeka ngokobuchwepheshe, kodwa iprojekthi yase-Ontario kufuneka ihlolwe ngokuthelekisa nejeneretha yokwenene, ulwabiwo lwezibonelelo, iimfuno zombane zalapha ekuhlaleni, iimeko zeenkonzo apho zisebenzayo kunye negunya elilawulayo. Umzekelo we-Ontario okweli nqaku ngumzekelo nje wokubonisa ubungakanani, hayi uyilo olulungele iphepha-mvume.

Qinisekisa imida yobushushu bokutshaja yekhabhathi, i-logic yokufudumeza kwangaphambili, amandla omsitho wokufudumeza kunye nawokupholisa ngokutshiza ulwelo, ixesha lokuchacha emva kokupholisa, amandla asetyenzisiweyo ancitshisiweyo kunye nokuba ingaba umphumo ochaziweyo unyuswe ngokuphezulu na. Bandakanya la mandla oncedo kubalansi yosuku kunye nokuhla okuphezulu kwe-SOC.

Bandakanya idatha yejenerator kunye neyerektaifa, umzobo womgca omnye, i-time-series ye-kW/kVA, ukuqaliswa kweemoto, iqondo lobushushu elingqongileyo kunye nobude, indawo yofakelo, iinkcukacha zeswitshibhodi kunye neyomhlaba, iimvume ezifunekayo, umda wokhuseleko lomlilo, iindlela ze-FAT/SAT, isikolo somthwalo wewaranti kunye nendawo yokuhanjiselwa.

Ubungqina bemveliso obusetyenziswe kolu hlaziyo: Amaphepha asemthethweni eMegSolid e-ESSA0100B-0215, inkqubo yeMeg-Solid Energon 261.24kWh kunye noluhlu lwePCS lweMEGA0030TS–MEGA0500TS. Iifoto zemveliso kuzo zontathu iigrafiki zenqaku zithathwe ngqo kula maphepha kwaye azizotywanga ngokutsha.

Isikhanyeli sobunjineli: Onke amaxabiso okuhamba komthwalo, obushushu, okungalingani kwezigaba kunye neharmonic achazwe njengemizekelo okanye imifuziselo ziingeni zoyilo, hayi isiqinisekiso sokusebenza endaweni yokwenene. Iziphumo zokugqibela zixhomekeke kumaxwebhu edatha eprojekthi akhutshiweyo, kulawulo, kuyilo lokhuseleko, kufakelo, kuqeqesho lokuqalisa ukusebenza kunye nomda wovavanyo lokwamkelwa.

IMegSolid (Hong Kong) Limited igxile kuphando nophuhliso, uyilo kunye nokubonelela ngeenkqubo zokugcina amandla ezikumgangatho ophezulu. Ngalo mava obuchwepheshe esinawo emva kweminyaka elishumi, sinikezela nge-ESS yekhabhathi yangaphandle eyenziwe ngokweemfuno zomthengi, ii-inverters zasekhaya kunye nezisombululo zamandla eziphathwayo kubathengi behlabathi jikelele.
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Fumana isisombululo sakho seMegSolid sokugcina amandla kwiiyure ezingama-24.

Ngqo kumvelisi weebhetri ze-solid-state. Fumana isiphakamiso se-ESS esenziwe ngokweemfuno zakho, uhlalutyo lwe-ROI, kunye nesindululo senkqubo kwiqela lethu lobunjineli.

Into Oza Kuyifumana

Ityelelwe ehlabathini lonke:

UL, IEC, UN38.3, China Classification Society, GB36276-2023, RoHS

Iimodeli ezishushu:

Izicelo:

Iifektri · Iifama zelanga · Ezemigodi · IiZiqithi · Iziko leDatha

Sixelele ngeprojekthi yakho — siza kukuyilela inkqubo.