Dual-Outlet DC Chargers: Lub Hwj Chim Li Cas Ntawm Ob Lub EVs?

Txhim kho kev lag luam EV infrastructure feem ntau tsoo lub qab nthab nyuaj. Cov neeg npaj yuav ntsib kev txwv tsis pub muaj peev xwm ntawm kab sib chaws thiab kev txwv tsis pub hloov pauv. Trenching rau ntau qhov chaw nyob ib leeg yog kim heev. Tej zaum koj yuav tsis xav nqis peev ntau rau hauv kev hloov khoom siv hluav taws xob loj. Hloov chaw, tus tswv tsev thiab cov neeg tsav nkoj feem ntau ntsuas cov khoom siv hluav taws xob dual-qhov hluav taws xob. Cov layouts ua tau zoo no ua rau koj lub peev xwm hluav taws xob uas twb muaj lawm. Nkag siab txog cov tshuab no yog qhov tseem ceeb heev rau kev ua tiav mus ntev. Koj yuav tsum paub raws nraim li cas a dual-qhov hluav taws xob DC charger dynamically txoj kev kilowatts ntawm ob lub tsheb. Qhov kev paub tshwj xeeb no qhia qhov tseeb ntawm qhov chaw npaj. Nws pab cov neeg ua haujlwm kwv yees lub sijhawm them nqi tiag tiag. Koj tseem tuaj yeem suav cov nyiaj rov qab los ntawm kev nqis peev rau koj xaiv DC cov khoom siv them nyiaj . Hauv qab no, peb rhuav tshem sab hauv lub zog modules. Peb tshawb nrhiav load balancing scenarios. Thaum kawg, peb npog kev ua raws li qhov tsis pom kev uas koj yuav tsum zam.

Ntsiab Cai

• Dynamic Over Static: Niaj hnub nimno dual-qhov hluav taws xob DC chargers muab qhov tseem ceeb ntawm Dynamic Power Sharing (DPS), faib kilowatts raws li txhua lub tsheb lub sijhawm ntawm Lub Xeev Tus Nqi (SoC) es tsis yog qhov sib cais 50/50.

• Hardware Efficiency: Kev khiav hauj lwm ob lub dispensers los ntawm ib lub hwj chim txee ua rau txo nqi installation, trenching, thiab daim phiaj nqi txuas.

• BMS Kev Sib Txuas Lus: Kev txawj ntse lub hwj chim routing vam khom cov ntaub ntawv txuas mus ntxiv ntawm lub charger thiab lub tsheb 'Battery Management Systems (BMS).

• Ntsuam xyuas ROI: Qhov tseeb tus nqi ntawm ob lub qhov hluav taws xob yog ntsuas los ntawm qhov chaw siv cov nqi thiab kev zam ntawm cov nqi hluav taws xob xav tau, tsis yog cov zis ntau tshaj kilowatt.

Kev Lag Luam Case rau Dual-Outlet DC Charging Equipment

Kev xa tawm ib qho chaw nres nkoj chargers yuav tsum muaj kev sib koom ua ke rau txhua qhov chaw nres tsheb. Qhov kev coj noj coj ua no ua rau muaj kev nce nqi hauv vaj tse sai sai. Koj yuav tsum tau them nyiaj rau cov kab ntsuas tuab dua, cov kav dej loj dua, thiab cov khoom tawg loj heev. Site hosts feem ntau pom lawv cov transformer tam sim no tsis tuaj yeem ua raws li qhov xav tau. Ib qhov chaw uas muaj kaum qhov chaw nres tsheb yuav xav tau kaum tus neeg ua haujlwm siab-voltage khiav. Qhov kev tsim no tsuas yog tsis zoo hauv cov chaw qub. Kev hloov khoom siv hluav taws xob tuaj yeem ncua sijhawm ua haujlwm los ntawm ob peb lub hlis.

Dual-outlet systems daws qhov no ncaj qha. Lawv leverage ib tug high-muaj peev xwm Circuit Court nrog ib tug centralized hwj chim module txee. Qhov kev txawj ntse no ua haujlwm rau ob qhov chaw nres tsheb uas nyob ib sab ib txhij. Koj tsuas yog trench ib zaug. Koj tsuas rub tau ib lub zog loj pub. Qhov no txo ​​koj cov kev siv peev nyiaj ua ntej ntau heev. Lub txee nruab nrab ces ua raws li tus neeg xa khoom ntse. Nws khiav lub zog ncaj nraim qhov twg tsheb xav tau.

Peb ntsuas qhov kev xa tawm tau zoo li cas? Peb ntsuam xyuas ob peb yam tseem ceeb ntawm kev vam meej:

• Lower CapEx Ib Qhov Chaw Nres Nkoj: Sib koom cov txheej txheem ua rau poob tus nqi kev teeb tsa lub cev rau ib qho chaw them nyiaj.

• Kev siv khoom siv siab tshaj plaws: Lub kaw lus dual-chaw nres nkoj txo lub sijhawm them nyiaj tsis ua haujlwm. Yog tias ib qho chaw khoob khoob, lwm qhov chaw tuaj yeem siv lub peev xwm kho vajtse tag nrho.

• Utility Demand Management: Smart routing tsis txhob ua rau cov nqi siv hluav taws xob ntau tshaj qhov xav tau. Nws ua kom tag nrho cov chaw kos hauv qab theem nplua.

Core Power Sharing Architectures: Static vs. Dynamic Allocation

Cov kws tsim kho vajtse siv ob txoj hauv kev los faib hluav taws xob. Cov qauv qub tso siab rau cov kev cai zoo li qub. Niaj hnub nimno systems siv dynamic routing matrices. Koj yuav tsum nkag siab qhov sib txawv ua ntej yuav khoom kho vajtse.

Static Fais Fab Split (Fixed Allocation)

Ib qho kev sib cais zoo li qub ua raws li kev faib lej nyuaj. Nws mus tas li ib nrab ntawm tag nrho cov zis thaum ob lub EVs txuas. Xav txog tias koj muaj 120kW charger. Thaum ob lub tsheb ntsaws rau hauv, sab hauv relays kaw raws nraim 60kW rau txhua qhov chaw nres nkoj. Qhov no mechanism yuav tsum tau yooj yim sab hauv Cheebtsam. Koj feem ntau pom nws hauv cov qauv qub lossis cov cuab yeej siv nyiaj txiag.

Lub ntsiab drawback yog hnyav inefficiency. Piv txwv tias Lub Tsheb A tuaj txog nrog lub roj teeb yuav luag tag nrho. Nws tsuas yog lees txais 20 kW. Lub kaw lus zoo li qub tseem khaws 60kW rau qhov chaw nres nkoj. Qhov seem 40kW ntawm Chaw nres nkoj A tau tso tseg. Lub tsheb B yuav xav tau 100kW, tab sis nws tseem raug kaw ntawm nws qhov txwv 60kW. Koj nkim lub sij hawm muaj nuj nqis thiab qhov chaw muaj peev xwm.

Dynamic Power Sharing (Matrix Routing)

Dynamic Power Sharing daws qhov teeb meem muaj peev xwm tso tseg. Nws siv advanced matrix routing. Nyob rau hauv lub txee, engineers pab pawg me zog modules ua ke. Internal contactors dynamically hloov cov modules rau cov chaw nres nkoj nquag raws li qhov xav tau tiag tiag. Lub charger tas li ntsuas txhua lub tsheb tiag tiag xav tau dab tsi.

Qhov kom zoo dua yog zoo heev efficiency. Cia peb rov mus xyuas qhov piv txwv ntawm 120kW. Tsheb A txuas thiab xav tau 90kW. Tsheb B txuas thiab xav tau 30kW. Lub dynamic matrix qhia lub zog uas yuav tsum tau muaj rau txhua lub ntsaws. Zero muaj peev xwm zaum idle. Qhov no txhim kho cov neeg siv khoom. Cov neeg tsav tsheb siv sijhawm tsawg dua tos hauv koj qhov chaw nres tsheb.

Table 1: Sib piv ntawm Core Power Sharing Architectures

Yuav ua li cas Dynamic Load Balancing Executes nyob rau hauv xyaum

Nkag siab txog kev siv tshuab sab hauv pab cov neeg npaj ua kom zoo dua qhov chaw layouts. A dual-qhov hluav taws xob DC charger tso siab rau kev sib pauv cov ntaub ntawv ceev. Nws tsis twv. Nws teb rau cov lus txib tsheb nruj.

Ntawm no yog yuav ua li cas lub dynamic sib koom ua ntu zus nthuav tawm:

1. Pib Kev Sib Tham: Ib qho EV txuas rau cable. Lub charger tam sim ntawd tsim kev sib txuas lus nrog lub tsheb lub roj teeb tswj System (BMS). Nws txiav txim siab tus nqi them siab tshaj plaws thiab lub Xeev Tus Nqi tam sim no (SoC).

2. Saib xyuas qhov Charge Curve Reality: Cov roj teeb tsis them tus nqi ncaj nraim. Raws li lub roj teeb puv dhau 80%, nws qhov kev lees txais tus nqi poob qis heev. Qhov no tiv thaiv cov roj teeb hlwb los ntawm kev puas tsuaj thaum tshav kub kub. Lub charger nquag saib xyuas qhov deceleration.

3. Real-Time Reallocation: Lub kaw lus teb rau kev xav tau poob qis. Xav txog lub tsheb A nce mus txog 80% SoC thiab txo qis mus rau 25kW. Lub tsheb B ces ntsaws rau ntawm 10% SoC. Lub tsheb B xav tau lub zog siab tshaj plaws. Lub charger's internal contactors instantly reroute lub freed-up power modules los ntawm Chaw nres nkoj A mus rau Chaw nres nkoj B. Lawv ua qhov no yam tsis muaj kev cuam tshuam los ntawm kev sib tham.

4. First-In, First-Out (FIFO) Prioritization: Qee tus neeg ua haujlwm nyiam txoj cai raws li hierarchy. Niaj hnub nimno firmware tso cai rau tus tswv tsev los saib xyuas lub tsheb tuaj txog ua ntej. Qhov no ua kom lub tsheb A ntaus nws lub hom phiaj SoC sai. Tsuas yog tom qab ntawd lub kaw lus hloov lub zog hnyav rau lub tsheb thib ob.

Table 2: Minute-by-Minute Power Reallocation Scenario (150kW Tag Nrho Peev Xwm)

Ntsuam xyuas Dual-Outlet DC Chargers rau Koj Qhov Chaw

Xaiv qhov kho vajtse kom raug yuav tsum tau ua tib zoo tshuaj xyuas. Tsis yog txhua lub chargers ceev ceev ua tau zoo sib npaug hauv lub siab. Thaum ntsuam xyuas koj tom ntej DC cov khoom siv them nyiaj , ua tib zoo mloog rau kev xaiv sab hauv engineering.

Lub zog Module Granularity

Nrhiav cov chav uas ntim nrog me me, modular zog thaiv. Qee cov tuam txhab siv 15kW lossis 30kW modules. Cov qauv me me tso cai rau kev txiav fais fab loj heev. Yog tias lub charger siv loj 60kW modules, nws tsis tuaj yeem faib lub zog kom zoo. Nws tsuas tuaj yeem tso tawm lub zog hauv 60kW chunks. Me me granularity muab lub matrix routing system ntau yooj.

Txias Infrastructure

Sustained high-tso tawm sib koom ua rau muaj qhov tsis txaus ntseeg ntawm cov cua sov. Kev ua kom txias yog tsis sib tham rau cov chaw tsis khoom. Ntsuas cov kua-txias cables piv rau cov qauv cua txias kom zoo zoo. Cov kua txias tso cai rau cov kab sib dua, sib dua. Qhov no zoo heev txhim kho cov neeg siv tau yooj yim. Ua raws li koj qhov kev xaiv txias txias ntawm koj qhov kev siv tus nqi siv thiab cov huab cua tshwj xeeb hauv cheeb tsam.

Connector Configurations

Standardization yog tam sim no hloov thoob plaws hauv kev lag luam. Xyuas kom koj lub tsev txhawb nqa lub cev tsim nyog rau koj cov neeg siv. Ntau tus neeg tsav nkoj tseem xav tau Dual CCS layouts. Txawm li cas los xij, cov koom haum pej xeem nquag thov kom muaj kev sib koom ua ke NACS / CCS. Xaiv cov kev hloov pauv hloov tau txuas txuas txuas ntxiv rau yav tom ntej-pov thawj koj cov cuab yeej kho vajtse kim.

OCPP Ua Raws Cai

Software xauv-hauv rhuav tshem kev ua haujlwm yooj yim. Txheeb xyuas cov khoom siv ua haujlwm ntawm Open Charge Point Protocol (OCPP) 1.6J lossis 2.0.1. Cov txheej txheem tseem ceeb no ua kom koj tuaj yeem siv tus neeg thib peb backend software. Koj tuaj yeem saib xyuas cov kev sib tham thiab tweak lub zog sib qhia tsis sib xws. Koj yeej tsis nyob twj ywm nrog tus thawj chaw tsim khoom lag luam tus tswv network.

Kev siv qhov tseeb thiab ua raws li qhov muag tsis pom kev

Txawm tias qhov zoo tshaj plaws kho vajtse nyuaj yog tias tsis raug ntsia. Cov neeg npaj lub vev xaib nquag saib xyuas cov lej hauv zos thiab cov kev txwv lub cev. Koj yuav tsum zam cov qhov muag tsis pom kev zoo li no.

NEC Load Calculations

Cov hluav taws xob yuav tsum ua raws li National Electrical Code (NEC). Raws li NEC, EV chargers tsim nyog raws li 'cov loads tas mus li.' Qhov kev faib tawm no muaj kev nplua nruj. Ib lub qhov hluav taws xob ob lub qhov hluav taws xob yuav tsum muaj qhov hluav taws xob hluav taws xob hluav taws xob kom loj ntawm 125% ntawm chav tsev qhov siab tshaj plaws ua ke cov npe teev npe. Nws tsis muaj teeb meem li cas intelligently nws shares hwj chim nyob rau hauv. Ib chav tsev 120kW kos duab kwv yees li 150 amps yuav tsum muaj lub tshuab tawg rau tsawg kawg 187.5 amps. Tsis txhob tsis quav ntsej txoj cai no thaum lub sij hawm pib qhov chaw npaj.

Cable Management

Kev tswj ob qhov hnyav DC cables los ntawm ib lub pedestal ib leeg tsim teeb meem ntawm lub cev. Cables feem ntau poob rau hauv av. Qhov no qhia txog kev phom sij loj ntawm cov chaw nres tsheb uas nyob ib sab. Heavy connector taub hau tawg yooj yim thaum poob rau ntawm pob zeb. Koj yuav tsum xav kom muaj zog cable retraction systems. Cov retractors txhim khu kev qha rub cov cables thiab tawm ntawm txoj kev, ua kom koj qhov chaw muaj kev nyab xeeb thiab ua raws li ADA.

Software Dependencies

Dynamic sib koom tseem yog software-reliant nkaus. Internal matrix xav tau cov lus qhia tas li. Network outages lossis internal firmware kab tuaj yeem cuam tshuam qhov kev xav no. Thaum software tsis ua haujlwm, ntau chav cia li rov qab mus rau qhov zoo li qub 50/50 cais kom nyob nyab xeeb. Qee tus kuj tseem tuaj yeem txwv tag nrho cov khoom tsim tawm. Ib txwm ntsuas qhov chaw tsim khoom Daim Ntawv Pom Zoo Qib Kev Pabcuam (SLA). Xav tau siab uptime guarantees thiab ceev ceev tej thaj chaw deb teeb meem muaj peev xwm.

Xaus

Dual-qhov hluav taws xob DC them cov khoom siv tau zoo hloov pauv hluav taws xob muaj peev xwm mus rau hauv cov cuab yeej siv tau zoo. Los ntawm smartly routing zog raws nraim qhov nws xav tau tshaj plaws, koj ncab koj cov nyiaj txiag infrastructure ntxiv. Txoj hauv kev no txwv tsis pub kim, siv sijhawm siv nyiaj hloov kho dua tshiab.

Koj qhov kev txiav txim siab logic yuav tsum ncaj nraim. Xaiv qhov sib cais zoo li qub tsuas yog rau kev kwv yees tau zoo heev, niaj hnub caij nkoj. Rau high-turnover pej xeem them los yog sib xyaw tsheb fleets, dynamic sib koom zog yog tag nrho yuav tsum tau ua kom pom tseeb tus nqi peev.

Koj cov kauj ruam tom ntej yuav tsum tau ua. Ua ib qho kev txheeb xyuas qhov chaw muaj zog. Txiav txim siab koj qhov siab tshaj plaws muaj peev xwm kilowatt. Thaum koj paub txog koj cov kev txwv hluav taws xob nyuaj, koj tuaj yeem tso siab rau cov neeg muag khoom kho vajtse thiab tsim cov txheej txheem uas muaj zog.

FAQ

Q: Lub qhov hluav taws xob ob lub qhov hluav taws xob DC puas tuaj yeem xa nws qhov kev tshaj tawm ceev tshaj plaws rau ob lub tsheb ib zaug?

A: Tsis yog. Qhov siab tshaj plaws tshaj tawm ceev (piv txwv li, 180kW) sawv cev rau tag nrho lub peev xwm ntawm lub ntsiab fais fab txee. Yog hais tias ob lub tsheb them ib txhij, qhov 180kW tau muab faib nruab nrab ntawm lawv raws li cov cai hauv lub zog sib koom.

Q: Yuav ua li cas thaum ib qho EV them tas?

A: Hauv kev teeb tsa lub zog sib koom ua ke, txhua yam hloov tam sim ntawd. Thaum thawj EV them tas lawm, nws BMS nres thov lub zog. Lub charger ces tam sim ntawd khiav 100% ntawm qhov muaj peev xwm mus rau qhov thib ob txuas EV.

Q: Kuv puas xav tau qhov kev pabcuam hluav taws xob loj dua rau lub qhov hluav taws xob ob lub qhov hluav taws xob piv rau ib lub qhov hluav taws xob?

A: Tsis tas li. Lub 120kW dual-qhov hluav taws xob charger yuav tsum muaj tib yam kev pabcuam hluav taws xob thiab qhov loj me me li 120kW ib lub qhov hluav taws xob charger. Qhov sib txawv tseem ceeb yog lub chav tsev dual cleverly splits tias muaj peev xwm uas twb muaj lawm hla ob qhov chaw nres tsheb sib txawv.

Q: Puas yog kev sib faib hluav taws xob puas rau EV roj teeb?

A: Tsis yog. Lub charger nruj me ntsis ua raws li cov lus thov tshwj xeeb ntawm lub hwj chim uas tau hais los ntawm lub tsheb lub roj teeb tswj System. Fais fab sib koom tsuas txwv qhov siab tshaj plaws muaj. Nws yeej tsis yuam kom muaj zog ntau dua li lub tsheb tuaj yeem txais kev nyab xeeb.