Kariyar Kariya ta EV

EV caji - ƙirar shigarwa na lantarki

Cajin abin hawa na lantarki sabon kaya ne don shigar da wutan lantarki mara ƙarfi wanda zai iya gabatar da wasu ƙalubale.

Ana ba da takamaiman buƙatu don aminci da ƙira a cikin IEC 60364 Ƙananan shigarwa na lantarki-Kashi na 7-722: Bukatun don shigarwa na musamman ko wurare-Abubuwan don motocin lantarki.

Fig. EV21 yana ba da bayyani game da fa'idar aikace -aikacen IEC 60364 don nau'ikan caji na EV daban -daban.

[a] a cikin yanayin tashoshin caji na titi, “saitin shigarwa na LV mai zaman kansa” kaɗan ne, amma IEC60364-7-722 har yanzu yana aiki daga mahimmin haɗin haɗin gwiwa zuwa ƙasa zuwa wurin haɗin EV.

Hoto EV21-Maɓallin aikace-aikacen IEC 60364-7-722, wanda ke ayyana takamaiman buƙatun lokacin haɗa kayan aikin caji na EV zuwa sabbin ko shigar da wutar lantarki ta LV.

Fig. EV21 da ke ƙasa yana ba da bayyani game da fa'idar aikace -aikacen IEC 60364 don nau'ikan caji na EV daban -daban.

Hakanan ya kamata a lura cewa bin IEC 60364-7-722 ya sa ya zama tilas cewa ɓangarori daban-daban na shigarwa na caji na EV sun cika ƙa'idodin samfuran IEC masu alaƙa. Misali (ba cikakke ba):

  • Tashar caji ta EV (nau'ikan 3 da 4) za su dace da sassan da suka dace na jerin IEC 61851.
  • Na'urorin da suka rage na yanzu (RCDs) za su bi ɗayan ƙa'idodi masu zuwa: IEC 61008-1, IEC 61009-1, IEC 60947-2, ko IEC 62423.
  • RDC-DD zai bi IEC 62955
  • Na'urar kariya mai wuce gona da iri zata dace da IEC 60947-2, IEC 60947-6-2 ko IEC 61009-1 ko tare da sassan da suka dace na jerin IEC 60898 ko jerin IEC 60269.
  • Inda wurin haɗin ke da tashar soket ko mai haɗa abin hawa, zai dace da IEC 60309-1 ko IEC 62196-1 (inda ba a buƙatar musanyawa), ko IEC 60309-2, IEC 62196-2, IEC 62196-3 ko IEC TS 62196-4 (inda ake buƙatar musanyawa), ko ma'aunin ƙasa don masu siyar da soket, idan gwargwadon halin yanzu bai wuce 16 A.

Tasirin cajin EV akan mafi girman buƙatar wutar lantarki da sikelin kayan aiki
Kamar yadda aka bayyana a cikin IEC 60364-7-722.311, “Za a yi la’akari da cewa a cikin amfani na yau da kullun, ana amfani da kowane ma’adanin haɗin kai ɗaya a ƙimar da aka ƙaddara ko a mafi girman madaidaicin caji na tashar caji. Hanyoyin daidaitawa na mafi girman cajin caji kawai za a yi ta hanyar amfani da maɓalli ko kayan aiki kuma za a iya samun dama ga ƙwararrun mutane ko waɗanda aka koyar. ”

Gwargwadon da'irar da ke ba da tashar haɗawa ɗaya (yanayin 1 da 2) ko tashar caji guda ɗaya na EV (yanayin 3 da 4) yakamata a yi gwargwadon matsakaicin caji na yanzu (ko ƙaramin ƙima, samar da cewa saita wannan ƙimar ba ta isa ga mutanen da ba masu fasaha ba).

Siffa EV22 - Misalan hanyoyin sikelin gama gari don Yanayin 1, 2, da 3

halayeYanayin caji
Yanayin 1 & 2Mode 3
Kayan aiki don sikelin kewayeDaidaitaccen soket

3.7kW

lokaci daya

7kW

lokaci daya

11kW

uku bulan

22kW

uku bulan

Matsakaicin halin yanzu don la'akari @230 / 400Vac16A P+N16A P+N32A P+N16A P+N32A P+N

IEC 60364-7-722.311 kuma ya bayyana cewa "Tunda ana iya amfani da duk wuraren haɗin shigarwa lokaci guda, za a ɗauki nau'in bambancin kewayon rarraba daidai da 1 sai dai idan an haɗa sarrafa kaya a cikin kayan aikin EV ko shigar sama, ko hade duka biyun. ”

Dalilin bambancin da za a yi la’akari da shi don caja na EV da yawa a layi daya daidai yake da 1 sai dai idan ana amfani da Tsarin Gudanar da Load (LMS) don sarrafa waɗannan cajojin EV.

Saboda haka ana ba da shawarar shigar da LMS don sarrafa EVSE: yana hana wuce gona da iri, yana inganta farashin kayan aikin lantarki, yana rage farashin aiki ta hanyar guje wa kololuwar buƙatar wutar lantarki. Koma zuwa cajin EV- gine-ginen lantarki don misalin gine-gine tare da ba tare da LMS ba, yana kwatanta ingantawa da aka samu akan shigar da lantarki. Koma zuwa cajin EV-gine-ginen dijital don ƙarin cikakkun bayanai game da bambance-bambancen LMS daban-daban, da ƙarin damar da za ta yiwu tare da nazarin tushen girgije da kula da cajin EV. Kuma duba ra'ayoyin caji na Smart don ingantaccen haɗin EV don hangen nesa akan caji mai kaifin basira.

Tsarin gudanarwa da tsarin ƙasa

Kamar yadda aka fada a cikin IEC 60364-7-722 (Sassan 314.01 da 312.2.1):

  • Za a samar da keɓaɓɓen da'irar don canja wurin makamashi daga/zuwa motar lantarki.
  • A cikin tsarin ƙasa na TN, da'irar da ke ba da wurin haɗawa ba za ta haɗa da madubin PEN ba

Hakanan yakamata a tabbatar ko motocin lantarki masu amfani da tashoshin caji suna da iyakokin da suka danganci takamaiman tsarin ƙasa: alal misali, wasu motoci ba za a iya haɗa su ba a Yanayin 1, 2, da 3 a cikin tsarin ƙasa na IT (Misali: Renault Zoe).

Dokokin a wasu ƙasashe na iya haɗawa da ƙarin buƙatun da suka danganci tsarin ƙasa da sa ido kan ci gaban PEN. Misali: lamarin cibiyar sadarwar TNC-TN-S (PME) a ​​Burtaniya. Don yin biyayya da BS 7671, a cikin yanayin fashewar PEN na sama, dole ne a shigar da kari na kari dangane da saka idanu na lantarki idan babu na'urar lantarki ta ƙasa.

Kariya daga girgizar lantarki

Aikace -aikacen caji na EV yana haɓaka haɗarin girgizar lantarki, saboda dalilai da yawa:

  • Toshe -haɗe: haɗarin katsewar madugun ƙasa mai kariya (PE).
  • Kebul: haɗarin lalacewar injiniya zuwa rufin kebul (murkushewa ta mirgina tayoyin abin hawa, maimaita ayyuka…)
  • Motar lantarki: haɗarin samun dama ga sassan caja (aji 1) a cikin motar sakamakon lalata kariya ta asali (hadari, gyaran mota, da sauransu)
  • Yanayin rigar ko ruwan gishiri (dusar ƙanƙara akan mashin ɗin lantarki, ruwan sama ...)

Don ɗaukar waɗannan haɗarin haɗari, IEC 60364-7-722 tana cewa:

  • Ƙarin kariya tare da RCD 30mA ya zama tilas
  • Ba a yarda da ma'aunin kariya "sanyawa daga isa ba", bisa ga IEC 60364-4-41 Annex B2, ba a yarda ba
  • Ba a yarda da matakan kariya na musamman ba bisa ga IEC 60364-4-41 Annex C
  • Ana karɓar rabuwa na lantarki don samar da abu ɗaya na kayan aiki na yanzu ana karɓa azaman matakan kariya tare da mai canza wutar lantarki wanda ke bin IEC 61558-2-4, kuma ƙarfin wutan da aka raba ba zai wuce 500 V. Wannan shine mafi yawan amfani mafita don Yanayin 4.

Kariya daga girgizar lantarki ta hanyar cire haɗin kai ta atomatik

Sassan da ke ƙasa suna ba da cikakkun buƙatun IEC 60364-7-722: daidaitaccen 2018 (dangane da Sassan 411.3.3, 531.2.101, da 531.2.1.1, da sauransu).

Kowane wurin haɗin AC za a kiyaye shi daban -daban ta na'urar da ta rage ta yanzu (RCD) tare da ƙimar aiki na yanzu wanda bai wuce 30 MA ba.

RCDs da ke kare kowane wurin haɗin daidai daidai da 722.411.3.3 za su bi aƙalla abubuwan da ake buƙata na nau'in RCD na A kuma za su sami madaidaicin aikin aiki wanda bai wuce 30 mA ba.

Inda aka sanye tashar caji ta EV tare da mashigin soket ko mai haɗa abin hawa wanda ya dace da IEC 62196 (duk ɓangarori-“Toshe, mashinan soket, masu haɗa abin hawa da mashigar mota-Gudanar da caji na motocin lantarki”), matakan kariya akan laifin DC za a ɗauka, sai dai inda tashar caji ta EV ta bayar.

Matakan da suka dace, ga kowane wurin haɗin kai, za su kasance kamar haka:

  • Amfani da nau'in RCD B, ko
  • Amfani da nau'in RCD A (ko F) tare tare da Na'urar Gano Na'urar Bincike na Yanzu (RDC-DD) wanda ya dace da IEC 62955

RCDs za su bi ɗayan ƙa'idodi masu zuwa: IEC 61008-1, IEC 61009-1, IEC 60947-2 ko IEC 62423.

RCDs za su cire haɗin duk masu gudanar da rayuwa.

Hoto EV23 da EV24 da ke ƙasa sun taƙaita waɗannan buƙatun.

Hoto EV23 - Magani guda biyu don kariya daga girgizar lantarki (tashoshin caji na EV, yanayin 3)

Hoto EV24-Haɗin IEC 60364-7-722 da ake buƙata don ƙarin kariya daga girgizar lantarki ta hanyar cire haɗin kai ta atomatik tare da RCD 30mA

Hoto EV23 da EV24 da ke ƙasa sun taƙaita waɗannan buƙatun.

Yanayin 1 & 2Mode 3Mode 4
RCD 30mA nau'in ARCD 30mA nau'in B, ko

RCD 30mA nau'in A + 6mA RDC-DD, ko

RCD 30mA nau'in F + 6mA RDC-DD

Ba dace ba

(babu maɓallin haɗin AC & rabuwa na lantarki)

Notes:

  • RCD ko kayan aikin da suka dace waɗanda ke tabbatar da cire haɗin kayan idan akwai laifin DC za a iya shigar da shi a cikin tashar caji na EV, a cikin allon juyawa na sama, ko a wurare biyu.
  • Ana buƙatar takamaiman nau'in RCD kamar yadda aka misalta a sama saboda mai jujjuyawar AC/DC da aka haɗa cikin motocin lantarki, kuma ana amfani da shi don cajin batir, na iya haifar da fitarwar DC a halin yanzu.

Menene zaɓin da aka fi so, nau'in RCD na B, ko nau'in RCD A/F + RDC-DD 6 mA?

Babban ma'aunin don kwatanta waɗannan mafita guda biyu sune tasirin tasiri akan sauran RCDs a cikin shigarwar lantarki (haɗarin makanta), da kuma tsammanin ci gaba da hidimar cajin EV, kamar yadda aka nuna a cikin siffa EV25.

Fig. EV25-Kwatanta nau'in RCD na B, da nau'in RCD A + RDC-DD 6mA mafita

Ka'idojin kwatanciNau'in kariyar da aka yi amfani da ita a cikin da'irar EV
RCD irin BRCD irin A (ko F)

+ RDC-DD 6 mA

Matsakaicin adadin hanyoyin haɗin EV zuwa ƙasa na nau'in A RCD don gujewa haɗarin makanta0[a]

(ba zai yiwu ba)

Matsakaicin maƙallin haɗawa na 1 EV[a]
Ci gaba da sabis na wuraren caji na EVOK

Haɗin DC na yanzu yana tafiya zuwa tafiya shine [15 mA… 60 mA]

Ba da shawarar ba

Haɗin DC na yanzu yana tafiya zuwa tafiya shine [3 mA… 6 mA]

A cikin yanayi mai ɗumi, ko kuma saboda tsufa na rufi, wannan yuwuwar yuwuwar zai iya ƙaruwa zuwa 5 ko 7 mA kuma yana iya haifar da tayar da hankali.

Waɗannan ƙuntatawa sun dogara ne akan mafi girman ƙarfin DC na yanzu da ake karɓa ta nau'in A RCDs bisa ga ƙa'idodin IEC 61008 /61009. Koma zuwa sakin layi na gaba don ƙarin cikakkun bayanai kan haɗarin makanta da kuma hanyoyin da za su rage tasiri da inganta shigarwa.

Muhimmi: Waɗannan su ne kawai mafita guda biyu waɗanda suka dace da ƙa'idodin IEC 60364-7-722 don kariya daga girgizar lantarki. Wasu masana'antun EVSE suna iƙirarin bayar da "na'urorin kariya na ciki" ko "kariya da aka saka". Don ƙarin bayani game da haɗarin, da zaɓin amintaccen cajin caji, duba Farin Takarda mai taken matakan Tsaro don cajin motocin lantarki

Yadda ake aiwatar da kariyar mutane a duk lokacin shigarwa duk da kasancewar akwai abubuwan da ke haifar da kwararar ruwan DC

EV caja sun haɗa da masu canza AC/DC, waɗanda zasu iya haifar da fitarwar DC a halin yanzu. Ana ba da izinin wannan fitarwar DC ta hanyar kariya ta RCD na kewaye (ko RCD + RDC-DD), har ya kai ƙimar faduwar RCD/RDC-DD DC.

Matsakaicin halin yanzu DC wanda zai iya gudana ta cikin da'irar EV ba tare da tangarɗa ba shine:

  • 60 MA don 30 mA RCD nau'in B (2*IΔn kamar yadda IEC 62423)
  • 6 MA don 30 mA RCD Type A (ko F) + 6mA RDC-DD (kamar yadda IEC 62955)

Me yasa wannan fitarwar DC na yanzu na iya zama matsala ga sauran RCDs na shigarwa

Sauran RCDs a cikin shigarwa na lantarki na iya "gani" wannan DC na yanzu, kamar yadda aka nuna a cikin siffa EV26:

  • RCDs na sama za su ga 100% na fitowar DC na yanzu, komai tsarin tsarin ƙasa (TN, TT)
  • RCDs da aka sanya a layi ɗaya kawai za su ga wani ɓangare na wannan halin yanzu, kawai don tsarin ƙasa na TT, kuma kawai lokacin da kuskure ya faru a cikin da'irar da suke karewa. A cikin tsarin ƙasa na TN, raunin DC na yanzu yana tafiya ta nau'in B RCD yana dawowa ta cikin madubin PE, sabili da haka RCDs ba za su iya gani a layi ɗaya ba.
Siffa EV26 - RCDs a jere ko a layi daya suna shafar tasirin ruwan DC wanda nau'in B RCD ya bari

Siffa EV26 - RCDs a jere ko a layi daya suna shafar tasirin ruwan DC wanda nau'in B RCD ya bari

RCDs ban da nau'in B ba a tsara su don yin aiki daidai ba a gaban kasancewar DC na yanzu, kuma wataƙila “ya makance” idan wannan halin ya yi yawa: za a yi ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin wutar lantarki ta wannan DC ɗin na yanzu kuma yana iya zama rashin hankali ga laifin AC. a halin yanzu, misali RCD ba za ta ƙara yin tafiya ba idan akwai laifin AC (yuwuwar haɗarin haɗari). Wannan wani lokaci ana kiranta "makanta", "makanta" ko lalata abubuwan RCDs.

Ka'idodin IEC sun ayyana (mafi girman) ragin DC da aka yi amfani da shi don gwada madaidaicin aiki na nau'ikan RCDs:

  • 10 mA don nau'in F,
  • 6 MA don nau'in A
  • da 0 mA don nau'in AC.

Wato cewa, la'akari da halayen RCDs kamar yadda ƙa'idodin IEC suka ayyana:

  • Ba za a iya shigar da nau'in RCDs AC a saman kowane tashar caji na EV ba, ba tare da la’akari da zaɓin EV RCD ba (nau'in B, ko rubuta A + RDC-DD)
  • Za'a iya shigar da nau'in RCDs A ko F sama daga mafi girman tashar caji guda ɗaya na EV, kuma kawai idan wannan tashar caji ta EV tana da kariya ta nau'in RCD A (ko F) + 6mA RCD-DD

Nau'in RCD A/F + 6mA RDC-DD yana da ƙarancin tasiri (ƙarancin ƙyalƙyali) lokacin zaɓar wasu RCDs, duk da haka, shima yana da iyaka a aikace, kamar yadda aka nuna a cikin siffa EV27.

Siffa EV27 - Matsakaicin tashar EV guda ɗaya da ke da kariya ta nau'in RCD AF + 6mA RDC -DD za a iya shigar da ita ƙasa da nau'in RCDs A da F

Siffa EV27-Matsakaicin tashar EV guda ɗaya da aka kiyaye ta nau'in RCD A/F + 6mA RDC-DD za a iya shigar da ita ƙasa da nau'in RCDs A da F

Shawarwari don tabbatar da aiki daidai na RCDs a cikin shigarwa

Wasu mafita masu yuwuwa don rage tasirin da'irar EV akan sauran RCDs na shigar da lantarki:

  • Haɗa tashoshin caji na EV kamar yadda ya yiwu a cikin gine -ginen lantarki, don su kasance daidai da sauran RCDs, don rage haɗarin makanta
  • Yi amfani da tsarin TN idan za ta yiwu, saboda babu tasirin makafi akan RCDs a layi ɗaya
  • Don RCDs na sama na hanyoyin caji na EV, ko dai

zaɓi nau'in B RCDs, sai dai idan kuna da caja 1 EV kawai wanda ke amfani da nau'in A + 6mA RDC-DDor

Zaɓi RCDs waɗanda ba iri ba waɗanda aka ƙera su don tsayayya da ƙimar DC na yanzu fiye da ƙayyadaddun ƙimar da ƙa'idodin IEC ke buƙata, ba tare da yin tasiri ga aikin kariyar AC ba. Misali ɗaya, tare da samfuran samfuran lantarki na Schneider: nau'in Acti9 300mA A RCDs na iya aiki ba tare da tasirin makanta a sama ba har zuwa tashoshin caji na 4 EV da ke da kariya ta 30mA nau'in B RCDs. Don ƙarin bayani, tuntuɓi jagorar Kariyar Laifin Ƙasa ta XXXX Electric Earth wanda ya haɗa da teburin zaɓi da zaɓin dijital.

Hakanan kuna iya samun ƙarin cikakkun bayanai a cikin babi na F - RCDs a gaban kasancewar raƙuman ruwa na ƙasa na DC (kuma ana amfani da yanayin da ban da cajin EV).

Misalan zane -zane na lantarki na EV

Da ke ƙasa akwai misalai biyu na zane-zanen lantarki don da'irorin caji na EV a cikin yanayin 3, waɗanda suka dace da IEC 60364-7-722.

Hoto EV28 - Misalin zane na lantarki don tashar caji ɗaya a yanayin 3 (@home - aikace -aikacen zama)

  • Wurin sadaukarwa don cajin EV, tare da kariyar 40A MCB
  • Kariya daga girgizar lantarki tare da nau'in 30mA RCD irin B (ana iya amfani da nau'in 30mA RCD A/F + RDC-DD 6mA)
  • RCD na sama shine nau'in A RCD. Wannan yana yiwuwa ne kawai saboda ingantattun halaye na wannan XXXX Electric RCD: babu haɗarin makanta ta hanyar zubar ruwan da ke fitowa ta nau'in B RCD
  • Hakanan yana haɗa Na'urar Kariyar Surge (shawarar)
Hoto EV28 - Misalin zane na lantarki don tashar caji ɗaya a yanayin 3 (@home - aikace -aikacen zama)

Hoto EV29 - Misalin zane na lantarki don tashar caji ɗaya (yanayin 3) tare da wuraren haɗin 2 (aikace -aikacen kasuwanci, filin ajiye motoci…)

  • Kowace hanyar haɗi tana da keɓaɓɓiyar da'irar ta
  • Kariya daga girgizar lantarki ta 30mA RCD nau'in B, ɗaya don kowane wurin haɗawa (ana iya amfani da 30mA RCD nau'in A/F + RDC-DD 6mA)
  • Ana iya shigar da kariyar wuce gona da iri da nau'in RCDs a tashar caji. A cikin wane hali, ana iya yin amfani da tashar caji daga allon juyawa tare da madaidaiciyar hanyar 63A
  • iMNx: wasu ƙa'idodin ƙasa na iya buƙatar sauyawa na gaggawa don EVSE a wuraren jama'a
  • Ba a nuna kariyar kari ba. Za a iya ƙarawa zuwa tashar caji ko a cikin allon juyawa na sama (gwargwadon tazara tsakanin allo da tashar caji)
Hoto EV29 - Misalin hoton wutar lantarki na tashar caji ɗaya (yanayin 3) tare da wuraren haɗin 2 (aikace -aikacen kasuwanci, filin ajiye motoci ...)

Kariya daga wuce gona da iri

Ƙarfin wutar lantarki da ya haifar ta hanyar walƙiya a kusa da cibiyar sadarwa ta wutar lantarki yana yaɗuwa zuwa cikin hanyar sadarwa ba tare da an sami raguwa sosai ba. A sakamakon haka, overvoltage mai yiwuwa ya bayyana a cikin shigarwar LV na iya wuce matakan da aka yarda da su don tsayayya da ƙarfin lantarki da aka ƙaddara ta ƙa'idodin IEC 60664-1 da IEC 60364. Motar lantarki, ana ƙera ta tare da nau'in juzu'i na II bisa ga IEC 17409, saboda haka ya kamata Kariya daga overvoltages wanda zai iya wuce 2.5 kV.

Sakamakon haka, IEC 60364-7-722 na buƙatar cewa EVSE da aka sanya a wuraren da jama'a za su iya samun kariya daga wuce haddi. Ana tabbatar da wannan ta hanyar amfani da nau'in 1 ko nau'in 2 na kariya mai ƙarfi (SPD), wanda ke bin IEC 61643-11, wanda aka sanya a cikin mashin ɗin da ke ba da motar lantarki ko kai tsaye a cikin EVSE, tare da matakin kariya Up ≤ 2.5 kV.

Kariyar kari ta hanyar haɗa kayan aiki

Tsaro na farko da za a sanya shi shine matsakaici (madugu) wanda ke tabbatar da haɗin gwiwa tsakanin dukkan sassan aikin shigarwa na EV.

Manufar ita ce haɗa dukkan madafan iko da sassan ƙarfe don ƙirƙirar madaidaicin dama a kowane maki a cikin tsarin da aka shigar.

Kariyar kari don EVSE na cikin gida - ba tare da tsarin kariya ta walƙiya ba (LPS) - samun damar jama'a

IEC 60364-7-722 yana buƙatar kariya daga wuce haddi mai wucewa ga duk wuraren da ke da damar jama'a. Za'a iya amfani da ƙa'idodin ƙa'idodi don zaɓar SPDs (Dubi babi na J - Kariyar wuce gona da iri).

Hoto EV30 - Kariyar kari don EVSE na cikin gida - ba tare da tsarin kariyar walƙiya ba (LPS) - samun damar jama'a

Lokacin da tsarin kariya na walƙiya bai kare ginin ba:

  • Ana buƙatar nau'in 2 SPD a cikin babban maɓallin wutar lantarki (MLVS)
  • Ana ba kowane EVSE tare da keɓaɓɓiyar da'irar.
  • Ana buƙatar ƙarin nau'in 2 SPD a cikin kowane EVSE, sai dai idan nisa daga babban kwamitin zuwa EVSE bai wuce 10m ba.
  • Hakanan ana ba da shawarar nau'in 3 SPD don Tsarin Gudanar da Load (LMS) azaman kayan aikin lantarki mai mahimmanci. Wannan nau'in 3 SPD dole ne a shigar da shi a ƙasa wani nau'in 2 SPD (wanda galibi ana ba da shawarar ko ana buƙata a cikin allon canzawa inda aka shigar da LMS).
Hoto EV30 - Kariyar kari don EVSE na cikin gida - ba tare da tsarin kariyar walƙiya ba (LPS) - samun damar jama'a

Kariyar kari don EVSE na cikin gida - shigarwa ta amfani da hanyar mota - ba tare da tsarin kariya ta walƙiya ba (LPS) - samun damar jama'a

Wannan misalin yayi kama da wanda ya gabata, sai dai ana amfani da hanyar mota (tsarin trunking busbar) don rarraba makamashin ga EVSE.

Hoto EV31 - Kariyar kari don EVSE na cikin gida - ba tare da tsarin kariyar walƙiya ba (LPS) - shigarwa ta amfani da hanyar mota - samun jama'a

A wannan yanayin, kamar yadda aka nuna a cikin siffa EV31:

  • Ana buƙatar nau'in 2 SPD a cikin babban maɓallin wutar lantarki (MLVS)
  • Ana ba da EVSEs daga tashar mota, kuma ana shigar da SPDs (idan an buƙata) a cikin akwatunan taɓawa na tashar mota.
  • Ana buƙatar ƙarin nau'in 2 SPD a cikin mai fita daga tashar jirgin ƙasa na farko da ke ciyar da EVSE (kamar yadda gaba ɗaya nisan zuwa MLVS ya fi 10m). Waɗannan EVSEs kuma ana kiyaye su ta wannan SPD idan sun kasance ƙasa da 10m nesa
  • Idan wannan ƙarin nau'in 2 SPD yana da sama <1.25kV (a I (8/20) = 5kA), babu buƙatar ƙara wani SPD akan hanyar mota: duk ana biye da EVSE.
  • Hakanan ana ba da shawarar nau'in 3 SPD don Tsarin Gudanar da Load (LMS) azaman kayan aikin lantarki mai mahimmanci. Wannan nau'in 3 SPD dole ne a shigar da shi a ƙasa wani nau'in 2 SPD (wanda galibi ana ba da shawarar ko ana buƙata a cikin allon canzawa inda aka shigar da LMS).

Kariyar kari don EVSE na cikin gida - tare da tsarin kariyar walƙiya (LPS) - samun jama'a

Hoto EV31 - Kariyar kari don EVSE na cikin gida - ba tare da tsarin kariyar walƙiya ba (LPS) - shigarwa ta amfani da hanyar mota - samun jama'a

Hoto

Lokacin da aka kiyaye ginin ta tsarin kariyar walƙiya (LPS):

  • Ana buƙatar nau'in 1+2 SPD a cikin babban maɓallin wutar lantarki (MLVS)
  • Ana ba kowane EVSE tare da keɓaɓɓiyar da'irar.
  • Ana buƙatar ƙarin nau'in 2 SPD a cikin kowane EVSE, sai dai idan nisa daga babban kwamitin zuwa EVSE bai wuce 10m ba.
  • Hakanan ana ba da shawarar nau'in 3 SPD don Tsarin Gudanar da Load (LMS) azaman kayan aikin lantarki mai mahimmanci. Wannan nau'in 3 SPD dole ne a shigar da shi a ƙasa wani nau'in 2 SPD (wanda galibi ana ba da shawarar ko ana buƙata a cikin allon canzawa inda aka shigar da LMS).
Hoto

Lura: idan kuna amfani da hanyar mota don rarrabawa, yi amfani da ƙa'idodin da aka nuna a cikin misalin ba tare da LTS ba, ban da SPD a cikin MLVS = amfani da nau'in 1+2 SPD kuma ba nau'in 2 ba, saboda LPS.

Kariyar kari don EVSE na waje - ba tare da tsarin kariya ta walƙiya ba (LPS) - samun jama'a

Hoto EV33 - Kariyar kari don EVSE na waje - ba tare da tsarin kariyar walƙiya ba (LPS) - samun jama'a

A cikin wannan misali:

Ana buƙatar nau'in 2 SPD a cikin babban maɓallin wutar lantarki (MLVS)
Ana buƙatar ƙarin nau'in 2 SPD a cikin ƙaramin kwamitin (nisa gaba ɗaya> 10m zuwa MLVS)

Bugu da kari:

Lokacin da aka haɗa EVSE da tsarin ginin:
yi amfani da cibiyar sadarwar kayan aikin ginin
idan EVSE ƙasa da 10m daga ƙaramin kwamitin, ko kuma idan nau'in 2 SPD da aka sanya a cikin ƙaramin yana da Up <1.25kV (a I (8/20) = 5kA), babu buƙatar ƙarin SPDs a cikin da EVSE

Hoto EV33 - Kariyar kari don EVSE na waje - ba tare da tsarin kariyar walƙiya ba (LPS) - samun jama'a

Lokacin da aka shigar da EVSE a cikin filin ajiye motoci, kuma aka kawo shi da layin lantarki na ƙarƙashin ƙasa:

kowane EVSE za a sanye shi da sandar ƙasa.
kowane EVSE za a haɗa shi zuwa cibiyar sadarwar kayan aiki. Hakanan dole ne a haɗa wannan cibiyar sadarwar zuwa cibiyar sadarwar kayan aikin ginin.
shigar da nau'in 2 SPD a cikin kowane EVSE
Hakanan ana ba da shawarar nau'in 3 SPD don Tsarin Gudanar da Load (LMS) azaman kayan aikin lantarki mai mahimmanci. Wannan nau'in 3 SPD dole ne a shigar da shi a ƙasa wani nau'in 2 SPD (wanda galibi ana ba da shawarar ko ana buƙata a cikin allon canzawa inda aka shigar da LMS).

Kariyar kari don EVSE na waje - tare da tsarin kariyar walƙiya (LPS) - samun damar jama'a

Hoto EV34 - Kariyar kari don EVSE na waje - tare da tsarin kariyar walƙiya (LPS) - samun damar jama'a

Babban ginin yana sanye da sandar walƙiya (tsarin kariyar walƙiya) don kare ginin.

A wannan yanayin:

  • Ana buƙatar nau'in 1 SPD a cikin babban maɓallin wutar lantarki (MLVS)
  • Ana buƙatar ƙarin nau'in 2 SPD a cikin ƙaramin kwamitin (nisa gaba ɗaya> 10m zuwa MLVS)

Bugu da kari:

Lokacin da aka haɗa EVSE da tsarin ginin:

  • yi amfani da cibiyar sadarwar kayan aikin ginin
  • idan EVSE ƙasa da 10m daga ƙaramin kwamitin, ko kuma idan nau'in 2 SPD da aka sanya a cikin ƙaramin yana da Up <1.25kV (a I (8/20) = 5kA), babu buƙatar ƙara ƙarin SPDs a cikin EVSE
Hoto EV34 - Kariyar kari don EVSE na waje - tare da tsarin kariyar walƙiya (LPS) - samun damar jama'a

Lokacin da aka shigar da EVSE a cikin filin ajiye motoci, kuma aka kawo shi da layin lantarki na ƙarƙashin ƙasa:

  • kowane EVSE za a sanye shi da sandar ƙasa.
  • kowane EVSE za a haɗa shi zuwa cibiyar sadarwar kayan aiki. Hakanan dole ne a haɗa wannan cibiyar sadarwar zuwa cibiyar sadarwar kayan aikin ginin.
  • shigar da nau'in 1+2 SPD a cikin kowane EVSE

Hakanan ana ba da shawarar nau'in 3 SPD don Tsarin Gudanar da Load (LMS) azaman kayan aikin lantarki mai mahimmanci. Wannan nau'in 3 SPD dole ne a shigar da shi a ƙasa wani nau'in 2 SPD (wanda galibi ana ba da shawarar ko ana buƙata a cikin allon canzawa inda aka shigar da LMS).