UL 1449 Bugu na 4—Zazzagewar Kyauta
Daidaitaccen Tsaron Tsaro don Na'urorin Kariyar Karuwa
Sabon UL 1449 da aka fitar don Na'urorin Kariya na Kariya don aminci kuma shine daidaitaccen ƙa'ida ga duk na'urorin kariyar ƙaruwar AC (SPDs).
Ma'anar hukuma
Bukatun da ke rufe na'urorin kariya (SPDs) waɗanda aka tsara don maimaita iyakancewar ƙarfin ƙarfin wucewa na wucin gadi kamar yadda aka ƙayyade a cikin mizani akan da'ira 50 ko 60 Hz waɗanda ba su wuce 1000 V.
Ta yaya Standarda'idar Tasirin take tasiri Na'urorin Kariya
- Matsayin UL 1449 yana ƙayyade gwaje-gwaje daban-daban waɗanda OEMs dole ne su wuce don neman izinin
- Takaddun shaida SPDs dole ne su sami takardar shaidar UL 1449 don saduwa da ƙa'idodin aminci don takamaiman kasuwanni
Abin da nau'ikan SPD ke rufe
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Gwaji shine Mabuɗi
Lissafi ga jerin UL shine daidaitaccen gwaji. Wannan tebur yana bayani dalla-dalla game da ƙa'idodin gwaji don nau'ikan ƙungiyar 4 da nau'ikan 5 SPD.
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Alamar da ake buƙata
Bayan Samu takardar shaidar UL, mai ƙira ya ɗauki alhakin haɗuwa da mizanai da mahimmanci. Duk SPDs sun haɗa da alamun da ake buƙata na dindindin don tabbatar da mafita da kuka zaɓa sun haɗu da UL 1449.
- Sunan maƙera
- Lambar Catalog
- Nau'in SPD
- Tingsimar lantarki
- Nunin sallama na yanzu (A)
- Matsakaicin ci gaba da ƙarfin ƙarfin lantarki (MCOV)
- Matsayin kariya na awon karfin wuta (VPR)
- Auna ƙarfin lantarki mai iyaka (MLV)
- Kwanan wata ko lokacin ƙira
- Circuitididdigar halin yanzu ta gajere (SSCR)
Rubuta majalisun abubuwan haɗin 4 da Nau'in 5 SPDs suna buƙatar MLV, MCOV, ƙarfin lantarki, da A cikin ƙimomi. Don Nau'in 5 SPDs waɗannan ƙimar za a iya samar da su a cikin takaddun bayanai.
Ma'anar Ma'anar Sharuɗɗa
- Laifi na yanzu - Yanzu daga tsarin wutar lantarki wanda ke gudana a cikin gajeren hanya
- Matsakaicin ƙarfin lantarki mai aiki (MCOV) - Matsakaicin adadin ƙarfin lantarki wanda za'a iya amfani da shi gaba zuwa SPD
- Auna ƙarfin lantarki mai iyaka - Matsakaicin girman ƙarfin lantarki da aka auna lokacin da aka yi amfani da In
- Maganin sallama na yanzu (A) - Peimar koli na yanzu (8 x 20 siffar kalaman) wacce aka zana ta cikin SPD sau 15 (SPD dole ne ya kasance yana aiki)
- Marasa aiki ƙarfin lantarki - ACarfin wutar AC na al'ada na tsarin
- Maras ƙarfin lantarki (Vn) - An ƙaddara ƙarfin DC a cikin SPD lokacin da 1mA ke gudana
- Circuitididdigar halin yanzu ta gajere (SCCR) - Dacewar SPD don tsayayya da ɗan gajeren hanyar da aka bayyana daga tushen wutar
- Matsayin kariya na awon karfin wuta (VPR) - An zaba ƙimar awon karfin wuta daga jerin abubuwan da aka fi so yayin amfani da nauyin haɗin 6kV 3kA
