{"id":6455,"date":"2023-11-01T04:00:12","date_gmt":"2023-11-01T04:00:12","guid":{"rendered":"https:\/\/busbarmanufacturer.com\/?p=6455"},"modified":"2025-05-21T07:00:23","modified_gmt":"2025-05-21T07:00:23","slug":"tin-plated-copper-bus-bar-vs-copper-bus-bar","status":"publish","type":"post","link":"https:\/\/busbarmanufacturer.com\/lv\/tin-plated-copper-bus-bar-vs-copper-bus-bar\/","title":{"rendered":"Alvas p\u0101rkl\u0101juma vara kopnes josla sal\u012bdzin\u0101jum\u0101 ar vara kopnes joslu: kur\u0161 ir piem\u0113rots j\u016bsu projektam?"},"content":{"rendered":"

K\u0101 galveno vado\u0161o materi\u0101lu jaudas p\u0101rvades un elektronisk\u0101s iek\u0101rtas, veiktsp\u0113jas at\u0161\u0137ir\u012bba starp alvota vara kopnes<\/strong><\/span><\/a> un var\u0161<\/a> kopnes<\/strong><\/span> tie\u0161\u0101 veid\u0101 ietekm\u0113 iek\u0101rtas uzticam\u012bbu, kalpo\u0161anas laiku un izmaksas. \u0160aj\u0101 rakst\u0101 analiz\u0113tas asto\u0146as vad\u012btsp\u0113jas, iztur\u012bbas pret koroziju, oksid\u0101cijas pretest\u012bbu, temperat\u016bras paaugstin\u0101\u0161an\u0101s standartu, metin\u0101\u0161anas procesa, meh\u0101nisk\u0101s iztur\u012bbas, vides aizsardz\u012bbas un ekonomijas dimensijas apvienojum\u0101 ar nozares standartiem, eksperiment\u0101liem datiem un faktiskajiem gad\u012bjumiem, lai atkl\u0101tu at\u0161\u0137ir\u012bbu b\u016bt\u012bbu starp abiem un izp\u0113t\u012btu alvota vara kop\u0146u tehnisk\u0101s priek\u0161roc\u012bbas jaun\u0101 ener\u0123\u0113tik\u0101, jaudas iek\u0101rt\u0101s un cit\u0101s augst\u0101k\u0101s klases jom\u0101s. Tekst\u0101 ir cit\u0113ti GB\/T 14048.1, IEC 60947-1 un citi autoritat\u012bvi standarti, k\u0101 ar\u012b Jintian Copper, Bozhong New Material un citi tehnisk\u0101 zi\u0146ojuma nozares vado\u0161ie uz\u0146\u0113mumi, lai las\u012bt\u0101jiem sniegtu sistem\u0101tisku atsauci l\u0113mumu pie\u0146em\u0161anai.<\/p>\n

I. Vad\u012btsp\u0113ja un sign\u0101la p\u0101rraides stabilit\u0101te<\/span><\/h2>\n
    \n
  1. Materi\u0101la pretest\u012bbas at\u0161\u0137ir\u012bbas<\/strong>
    \nKaila vara pretest\u012bba ir aptuveni 1,7 \u00d7 10\u207b\u2078 \u03a9-m, savuk\u0101rt alvas \u012bpatn\u0113j\u0101 pretest\u012bba ir 2,2 \u00d7 10\u207b\u2077 \u03a9-m. Teor\u0113tiski alvotais sl\u0101nis palielin\u0101s vara kopnes kop\u0113jo pretest\u012bbu. Tom\u0113r praks\u0113, t\u0101 k\u0101 alvas p\u0101rkl\u0101juma sl\u0101\u0146a biezums parasti tiek kontrol\u0113ts 3\u201310 \u03bcm (da\u017eiem augst\u0101k\u0101s klases izstr\u0101d\u0101jumiem l\u012bdz 25 \u03bcm), t\u0101 ietekme ir niec\u012bga. Piem\u0113ram, Goldfield Copper testi liecina, ka ar alvu p\u0101rkl\u0101tu vara kop\u0146u vad\u012btsp\u0113ja ir tikai par aptuveni 1,5%-3% zem\u0101ka nek\u0101 tuk\u0161\u0101m vara kopn\u0113m.<\/li>\n
  2. Kontaktu pretest\u012bbas optimiz\u0101cija<\/strong>
    \nAlvas p\u0101rkl\u0101juma sl\u0101\u0146a augst\u0101 elast\u012bba var palielin\u0101t efekt\u012bvo kontakta laukumu un samazin\u0101t kontakta pretest\u012bbu, kad tas ir p\u0101rkl\u0101ts. Saska\u0146\u0101 ar GB\/T 14048.1 standartu, vara-vara sk\u0101rda kontakta pretest\u012bbas K v\u0113rt\u012bba ir 70-1000 \u03bc\u03a9, kas ir lab\u0101ka nek\u0101 alum\u012bnija-alum\u012bnija (3000-6700 \u03bc\u03a9), savuk\u0101rt tuk\u0161o vara kop\u0146u kontakta pretest\u012bba var palielin\u0101ties vair\u0101k nek\u0101 10 reizes, ja netiek apstr\u0101d\u0101ts oksid\u0113tais sl\u0101nis.<\/li>\n<\/ol>\n

    II. Iztur\u012bba pret koroziju un sp\u0113ja piel\u0101goties videi<\/span><\/h2>\n
      \n
    1. Oksid\u0101cijas aizsardz\u012bbas meh\u0101nisms<\/strong>
      \nKails var\u0161 mitr\u0101 vid\u0113 rad\u012bs CuO vai Cu\u2082O oks\u012bda sl\u0101ni (ar pretest\u012bbu l\u012bdz 10\u2076 \u03a9-m), savuk\u0101rt alvas oks\u012bds (SnO\u2082) joproj\u0101m saglab\u0101 elektrisko vad\u012btsp\u0113ju. Bozhong New Material veiktais s\u0101ls izsmidzin\u0101\u0161anas tests par\u0101da, ka alvas p\u0101rkl\u0101juma vara kopnes kalpo\u0161anas laiks ir 5\u20138 reizes ilg\u0101ks nek\u0101 tuk\u0161a vara kalpo\u0161anas laiks s\u0101ls izsmidzin\u0101\u0161anas vid\u0113.<\/li>\n
    2. Lietojumprogrammu scen\u0101riju sal\u012bdzin\u0101jums<\/strong><\/li>\n<\/ol>\n<\/div>\n
      \n\n\n\n\n\n\n\n
      Vides apst\u0101k\u013ci<\/th>\nAlvota vara kopne<\/th>\nVara kopne<\/th>\n<\/tr>\n<\/thead>\n
      Saus\u0101 telpa (mitrums <60%)<\/td>\n\u00a0P\u0113c izv\u0113les (nav oblig\u0101ti)<\/td>\nIeteicams<\/td>\n<\/tr>\n
      Piekrastes augsta s\u0101ls aerosols<\/td>\n\u013boti ieteicams (kalpo\u0161anas laiks >15 gadi)<\/td>\nNav piem\u0113rojams (<3 gadi)<\/td>\n<\/tr>\n
      \u0136\u012bmisk\u0101 sk\u0101be un s\u0101rma vide<\/td>\nAr ni\u0137e\u013ca p\u0101rkl\u0101juma pamatk\u0101rtu<\/td>\nAizliegts<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
      \n
      <\/div>\n<\/div>\n

      III. Antioksidants un ilgtermi\u0146a stabilit\u0101te<\/span><\/h2>\n
        \n
      1. Dinamiska veiktsp\u0113jas pasliktin\u0101\u0161an\u0101s<\/strong>
        \nP\u0113c 3 m\u0113ne\u0161u ilgas gaisa iedarb\u012bbas tuk\u0161\u0101 vara vad\u012btsp\u0113ja virsmas oksid\u0113\u0161an\u0101s samazin\u0101s par aptuveni 12%, savuk\u0101rt alvas vara vad\u012btsp\u0113ja taj\u0101 pa\u0161\u0101 laika posm\u0101 samazin\u0101s tikai par 2%. Augst\u0101s temperat\u016br\u0101s (> 80 \u2103) tuk\u0161\u0101 vara oksid\u0101cijas \u0101trums pa\u0101trin\u0101j\u0101s, savuk\u0101rt alvas sl\u0101nis var iztur\u0113t nep\u0101rtrauktu darba temperat\u016bru zem 200 \u2103.<\/li>\n
      2. Uztur\u0113\u0161anas izmaksu sal\u012bdzin\u0101jums<\/strong>
        \nElektroener\u0123ijas uz\u0146\u0113muma statistika liecina, ka alvota vara apak\u0161stacijas izmanto\u0161anas vid\u0113j\u0101s ikgad\u0113j\u0101s uztur\u0113\u0161anas izmaksas ir $1200\/km, bet tuk\u0161\u0101 vara sasniedz $4800\/km (ieskaitot oks\u012bda sl\u0101\u0146a t\u012br\u012b\u0161anas izmaksas).<\/li>\n<\/ol>\n

        \"sk\u0101rds<\/p>\n

        IV. Temperat\u016bras paaugstin\u0101\u0161anas standarts un kravnes\u012bbas palielin\u0101\u0161ana<\/span><\/h2>\n