Kodi mungasankhe bwanji choyatsira magetsi choyenera cha ma EV Chargers?

Kodi mungasankhe bwanji choyatsira magetsi choyenera cha ma EV Chargers?

Monga katswiri wa zomangamanga za EV charging, CHINAEVSE idzakhala yokondwa kukutsogolerani pa njira yosankhira ndikukhazikitsa chotseka ma circuit kuti muyike Electric Vehicle Supply Equipment (EVSE).

Kukhazikitsa choyatsira magetsi choyenera ndi chimodzi mwa zinthu zofunika kwambiri pakukhazikitsa malo ochapira magetsi a EV. Chifukwa chakuti kuyatsa magetsi a EV kumaonedwa kuti ndi chinthu chofunikira kwambiri.katundu wopitilira(pogwiritsa ntchito mphamvu yamagetsi yokwera kwa maola ambiri), malamulo okhazikika amagetsi okhala m'nyumba kapena amalonda ayenera kugwiritsidwa ntchito mosamala kuti apewe kutentha kwambiri, kupunthwa ndi zinthu zina, kapena ngozi zamoto.

Nayi chitsogozo chokwanira pa zinthu zaukadaulo, miyezo yachitetezo, ndi njira zabwino kwambiri zokhazikitsira chotsegula ma circuit cha EVSE.

1. Lamulo la 125% (Kuwerengera Katundu Kosalekeza)

Mosiyana ndi zipangizo zapakhomo zomwe zimagwira ntchito nthawi ndi nthawi (monga microwave kapena toaster),Chojambulira cha EVimagwira ntchito pa mphamvu yayikulu kwa nthawi yayitali.

• Lamulo:Pansi pa National Electrical Code (NEC) ndi IEC zofanana, muyenera kupanga saizi ya circuit breaker ndi ma conductor pa125% ya mphamvu yopitilira ya charger ya EV.
• Masamu:Ngati galimoto yanu yamagetsi ituluka32A, kuwerengera kukula kwa chophwanya ndi:

Chifukwa chake, muyenera kukhazikitsaChotsekera dera cha 40A.

Tebulo Lofotokozera la Common Breaker Sizing

2. Kusankha Mtundu Woyenera Wosweka

Kutengera ndi miyezo yanu ya m'chigawo (North America NEC vs. International/European IEC), zofunikira pa mitundu ya chitetezo zidzasiyana.

A. Chitetezo cha Zotsalira Zamakono & Zolakwika za Pansi (RCD / GFCI)

Kuchaja magetsi amagetsi (EV charging) kumabweretsa zoopsa zapadera zokhudzana ndi kutayikira kwa magetsi a DC, zomwe zimatha "kuchititsa khungu" zida zotsalira zamtundu wa A.

• Misika ya IEC (Europe/Australia/Asia):Ngati EVSE ilibe kuzindikira kutayikira kwa 6mA DC komwe kwamangidwa mkati, inuyeneragwiritsani ntchitoMtundu B RCDkapena RCBO (Residual Current Breaker with Overcurrent protection) yomwe imazindikira zolakwika za AC ndi DC. Ngati EVSEamachitaali ndi 6mA DC detection yolumikizidwa, muyezoMtundu A RCDnthawi zambiri zimakhala zokwanira.
• Misika ya NEC (North America):Ma EVSE ambiri amakono a Level 2 ali ndi chitetezo cha CCID50 (Personnel Protection) chomangidwa mkati. Komabe, ngati mukuyikapulagi-inEVSE (mwachitsanzo, NEMA 14-50 kapena 6-50) NEC 2020/2023 imafunaChosweka cha GFCImu gulu la chotengera chimenecho, ngakhale chojambuliracho chili ndi chitetezo chake chamkati.

B. Ma Curve a Ulendo Wosweka Circuit (IEC)

Ngati mukugwira ntchito motsatira miyezo ya IEC, kusankha njira yoyenera yoyendera kumateteza kusokonekera kwa magetsi oyambira kulowa pamene EV ikuyamba kuyatsa:

• Mtundu C wa Khoma:Ndibwino kwambiri pa ma EVSE installations. Imagwira ntchito ndi ma inrush currents ochepa omwe sakugwa msanga.
• Pewani ma curve a Mtundu B pokhapokha ngati atchulidwa ndi ma code am'deralo, chifukwa amatha kugwedezeka mosavuta akamanyamula katundu wambiri nthawi zonse.

3. Zofunika Kwambiri Zokhudza Kukhazikitsa

Kukula kwa Waya ndi Kuchotsa Kutentha

Chotsekeracho chimakhala bwino ngati waya wolumikizidwa nacho. Chifukwa cha katundu wopitirira, onetsetsani kuti waya woyezera (AWG kapena mm2) ukugwirizana ndi kukula kwa chotsekeracho.pambuyokutengera kutayika kwa kutentha ngati mawaya akudutsa m'malo otentha (monga ma attics) kapena machubu ogawana.

• Chitsanzo:Kwa chophwanya 50A,Waya wamkuwa wa AWG 6ndi muyezo. Musamalepheretse chotsegula champhamvu chokhala ndi mawaya ochepa.

Mafotokozedwe a Torque

Kulumikizana kosasunthika ndiye chifukwa chachikulu cha moto wamagetsi m'ma EV. Pakagwiritsidwa ntchito mosalekeza, ma terminal osasunthika amapanga kukana kwakukulu, zomwe zimapangitsa kuti kutentha kuchuluke kwambiri komwe kumatha kusungunula chophwanya ndi panel busbar.

• Nthawi zonse gwiritsani ntchito screwdriver/wrench yokhazikikakuti amange ma breaker lugs kuti agwirizane ndi zomwe wopanga adalemba (nthawi zambiri amasindikizidwa mbali ya breaker).

Kuthekera kwa Panel & Kutentha kwa Malo Ozungulira

• Kuwerengera Katundu:Musanawonjezere chopalira cha 40A kapena 60A, yesani kuwerengera katundu pa panel/katundu yemwe alipo kuti muwonetsetse kuti ntchito yayikulu ikhoza kuthana ndi katundu wowonjezera wopitilira.
• Kutaya Kutentha:Ngati mukuyika ma EV breaker angapo pambali pa bolodi logawa katundu, ganizirani kusiya malo opanda kanthu pakati pawo kuti mpweya uziyenda bwino komanso kutentha kuzituluka.

4. Mndandanda wa Zofunikira pa Kukhazikitsa Katswiri

1. Zilolezo ndi Malamulo:Nthawi zonse onani momwe malamulo akuyendera m'deralo (monga NEC Article 625, IEC 60364-7-722) ndikukoka zilolezo zamagetsi zofunikira.
2. Wolumikizidwa ndi waya motsutsana ndi pulagi:Kukhazikitsa mawaya olumikizidwa ndi waya kumakondedwa kwambiri chifukwa chodalirika kwambiri ndipo kumachotsa kufunikira kwa choswera chakunja cha GFCI chokwera mtengo m'madera ambiri.
3. Zolemba:Lembani chizindikiro chosweka chomwe chili mu bolodi lalikulu kuti “EV CHARGER” kuti muwonetsetse kuti chizindikirika mwachangu panthawi yokonza.
4. Kuyesa Pambuyo Pokhazikitsa:Gwiritsani ntchitoEVSEkuyesa adaputala kuti iyerekeze kulumikizana kwa galimoto ndikuyesa magwiridwe antchito a RCD/GFCI musanapereke kwa wogwiritsa ntchito.