Dip.el . ing. Perunović Dragan
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Transcript of Dip.el . ing. Perunović Dragan
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VISOKOTEMPERATURNI GAP PROVODNICI – TEHNIČKA I
EKONOMSKA OPRAVDANOST,
SPECIFIČNOSTI, NEDOSTACI I NOVE METODE IZVOĐENJA
Dip.el. ing. Perunović Dragan
Dip.el. ing. Bogetić Dušan
AUTORI :
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Provodnik od aluminijumske legure AL3 (AAAC - All Aluminium Aloy conductor).
Kompozitni provodnik ACCR (Aluminium Conductor Composite Reinforced)
Invar provodnik ZTACIR (Super Thermal Resistant Al-Alloy / Invar Alloy)
GAP provodnik GTACSR (Gap Type Thermal Resistant Aluminium Conductor Steel Reinforced)
PROVODNICI SPECIJALNE KONSTRUKCIJE
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GAP PROVODNICI
Slika 1. GTACSR 176
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Osnovne karakteristike GTACSR 176 u poređenju sa
ACSR 150/25 mm2
GAP 176 AlFe 150/25 Prečnik mm 17.1 17.1 Presjek mm2 176 173.1 Prekidna sila ukupna daN 5533 5431.5 Težina ukupna kg/m 0.5928 0.6051 Prek. sila jezgra daN 3239 Broj žica u jezgru 9 Razmak (gap) mm 1 0 Broj Al.žica u prvom sloju 9 Broj Al.žica u drugom sloju 16 Modul elasticnosti daN/mm2 7510/17400 7700 Koef.lin.istezanja x 10-6 C-1 19.9/11.9 18.9 Elektricni otpor 200C Ω/km 0.1892 Trajno dozvoljena struja A 390 765 Maksimalna temperatura C 150 80
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KRIVA UGIB-TEMPERTURA
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Tabela I. Ugib i strujna opteretljivost Temp. provodnika °C AL/Č 150/25 ugib (m) GTACSR 176 ugib (m) Struja provodnika 40 9,99 80 11,12 9,55 460A 113 10,08 630A 140 10,49 732A 150 10,64 766A
UGIB I STRUJNA OPTRETIVOST
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OVJESNA OPREMA I SEMI-STRAIN
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INSTALACIJA GAP PROVODNIKA
Konvencionalni metod montaže
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Mašina za zatezanje gap provodnika
Čarapica
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Neopterećeni GAP na vučnoj stezaljki
Oslobađanje iz čarapice i uvlačenje aluminijske stezaljke
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Rad mašine za zatezanje
Presovanje čeličnog dijela zatezne stezaljke