Fitar da UL 2054 edition uku

UL

 

Bayani:

An saki UL 2054 Ed.3 a ranar 17 ga Nuwamba, 2021. A matsayin memba na ma'aunin UL, MCM ya shiga cikin bitar mizanin, kuma ya ba da shawarwari masu ma'ana don gyara wanda aka karɓa daga baya.

 

Abubuwan da Aka Sake Gyara:

Canje-canjen da aka yi ga ma'auni sun haɗa da abubuwa guda biyar, waɗanda aka fassara su kamar haka:

  • Ƙarin sashe na 6.3: Gabaɗayan buƙatun don tsarin wayoyi da tashoshi:

l Wayar ya kamata a keɓe, kuma ya kamata ya dace da buƙatun UL 758 yayin la'akari da ko yiwuwar zafin jiki da ƙarfin lantarki da aka fuskanta a cikin fakitin baturi yana da karɓa.

l Ya kamata a ƙarfafa shugabannin wayoyi da tashoshi da injina, kuma a samar da tuntuɓar wutar lantarki, kuma kada a sami tashin hankali a kan haɗin gwiwa da tashoshi. Ya kamata gubar ta kasance lafiyayye, kuma a nisanta shi daga kaifi mai kaifi da sauran sassan da za su iya cutar da insulator na waya.

  • Ana yin gyare-gyare iri-iri a cikin ma'auni; Sashe na 2 - 5, 6.1.2 - 6.1.4, 6.5.1, 8.1, 8.2, 11.10, 12.13, 13.3, 14.7, 15.2, 16.6, Sashe na 23 take, 24.1, Shafi A.
  • Bayanin buƙatun don alamun manne; Sashe na 29, 30.1, 30.2
  • Bugu da kari na buƙatun da hanyoyin Mark Durability Test
  • Gwajin Tushen Wutar Wuta Mai iyaka abin buƙata ne; 7.1
  • Ya fayyace juriyar waje a cikin gwaji a cikin 11.11.

An ƙayyade Gwajin Gajerewar Da'irar don amfani da waya ta jan hankali zuwa gajeriyar da'ira mai kyau da ƙarancin anodes akan sashe na 9.11 na daidaitattun asali, yanzu an sake duba shi azaman amfani da 80± 20mΩ resistors na waje.

 

Sanarwa ta Musamman:

Ma'anar: Tmax+Tamb+Tma An nuna kuskure a cikin sashe na 16.8 da 17.8 na ma'auni, yayin da daidaitaccen magana ya kamata ya zama T.max+Tamb-Tma,yana nufin ma'auni na asali.

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Lokacin aikawa: Dec-23-2021