Dubawa

UL 1973: 2022 an buga shi a ranar 25 ga Fabrairu. Wannan sigar ta dogara ne akan daftarin shawarwari guda biyu da aka bayar a watan Mayu da Oktoba na 2021. Tsarin da aka gyara yana faɗaɗa kewayon sa, gami da tsarin taimakon makamashin abin hawa (misali haske da sadarwa).

Canjin girmamawa

1.Apppend 7.7 Transformer: mai canzawa don tsarin baturi za a ba da takardar shaida a ƙarƙashin UL 1562 da UL 1310 ko matakan da suka dace. Za'a iya ba da takaddun ƙarancin wutar lantarki a ƙarƙashin 26.6.

2.Update 7.9: Kayayyakin Kariya da Kulawa: tsarin baturi zai samar da sauyawa ko mai karyawa, mafi ƙarancin abin da ake buƙata ya zama 60V maimakon 50V. Ƙarin buƙatu don koyarwa don fuse overcurrent

3.Update 7.12 Cells (batura da electrochemical capacitor): Domin rechargeable Li-ion Kwayoyin, gwaji a karkashin annex E ake bukata, ba tare da la'akari UL 1642. Kwayoyin da ake bukata kuma da za a bincikar idan hadu bukatar aminci zane, kamar abu da matsayi na Insulator, ɗaukar hoto na anode da cathode, da sauransu.

4.Append 16 High Rate Charge: Yi la'akari da kariyar cajin tsarin baturi tare da iyakar cajin halin yanzu. Bukatar gwadawa cikin 120% na matsakaicin adadin caji.

5.Append 17 Short Circuit Test: Gudanar da gajeren gwajin gwaji don samfuran baturi waɗanda ke buƙatar shigarwa ko canji.

6.Append 18 Overload Under Discharge: Yi la'akari da ikon tsarin baturi tare da nauyin nauyi a ƙarƙashin fitarwa. Akwai sharuɗɗa guda biyu don gwajin: na farko yana cikin nauyi a ƙarƙashin fitarwa wanda halin yanzu ya fi ƙididdige matsakaicin yawan fitarwa na yanzu amma ƙasa da na yanzu na kariyar wuce gona da iri na BMS; na biyu ya fi BMS sama da kariya ta yanzu amma ƙasa da matakin kariya na yanzu.

7.Apppend 27 Electromagnetic Immunity Test: duka gwaje-gwaje 7 kamar haka:

• Fitar da wutar lantarki (IEC 61000-4-2)
• Filayen lantarki na mitar rediyo (labarin IEC 61000-4-3)
• Mai saurin wucewa/fashe rigakafi (bayanin IEC 61000-4-4)
• Kariyar rigakafi (bayanin IEC 61000-4-5)
• Yanayin gama-gari na mitar rediyo (labarin IEC 61000-4-6)
• Filayen maganadisu na mitar ƙarfi (bayanin IEC 61000-4-8)
• Tabbatar da aiki

8.Ƙara 3 annex: annex G (mai ba da labari) Fassarar alamar aminci; annex H (na al'ada) Madadin tsarin don kimanta bawul ɗin da aka tsara ko huɗawar gubar gubar ko batir nickel cadmium; annex I (na al'ada): shirin gwaji don batirin ƙarfe-iska mai caji da injina.

Tsanaki

Takaddun shaida na UL 1642 don sel ba za a ƙara saninsa don batura a ƙarƙashin takaddun UL1973 ba.