PARAFUDR - Solar Bazaar

‹Ç‹NDEK‹LERAtmosfer sebepli yüksek bas›nç ..............................................................................................................1Direkt etkiler ..........................................................................................................................1Dolayl› etkiler..........................................................................................................................1Türkiye’de y›ll›k ortalama y›ld›r›ml› f›rt›nal› günler say›s› ....................................................2Türkiye’de y›ll›k ortalama y›ld›r›ml› f›rt›nal› günler say›s›na göre y›ld›r›m riski ..................2Atmosferik deflarj›n elektrik modeli ....................................................................................3Y›ld›r›ma karfl› koruma ............................................................................................................................4Risklerin ve sonuçlar›n tahmini........................................................................................................4Dolayl› etkilere karfl› koruma ..........................................................................................................6Genel prensipler ....................................................................................................................6Meydana gelen elektromanyetik alan ....................................................................................7Parafudr ile koruma prensipleri ......................................................................................................80.5 m kural› ............................................................................................................................8Parafudr ba¤lant› kablolar›n›n minimum de¤erleri ..............................................................8Korunulan uzunluklar ......................................................................................................................9Parafudrlar›n koordinasyonu ........................................................................................................10Pratik hesap..........................................................................................................................10Parafudrlar›n korunmas› ................................................................................................................11Genel ....................................................................................................................................11K›sa devrelere karfl› korunma ..............................................................................................12Dolayl› konta¤a karfl› korunma ............................................................................................12Diferansiyel devre kesiciler aras› koordinasyon ..................................................................13Aktif koruma ........................................................................................................................14Y›ld›r›m›n toprak alt›ndan tesisata ulaflmas› ......................................................................15Parafudrlar ..............................................................................................................................................16Parafudrlar›n karakteristikleri........................................................................................................16Up kV cinsinden koruma seviyesi ........................................................................................16Imax, maksimum ak›m de¤eri..............................................................................................16In, nominal ak›m de¤eri........................................................................................................16Uc, parafudrun çal›flma gerilimi ..........................................................................................16Ic, normal çal›flma ak›m› ......................................................................................................16Ires, reziduel gerilim ............................................................................................................16Parafudrlar›n seçimi................................................................................................................................17Parafudrlar›n korunmas› ......................................................................................................19Telefon hatlar›n›n korunmas› ..............................................................................................19Parafudr, teknolojik yaklafl›m ................................................................................................................20Parafudrun içindeki Varistor teknolojisi ..............................................................................21Varistorun çal›flma prensibi ................................................................................................21Neden daha fazla parafudr kullanmal› ..........................................................................................22Legrand parafudrlar, devaml›l›ktaki yenilik............................................................................................23Her riske uygun bir parafudr ..........................................................................................................23Tamamlay›c› parafudrlar›n seçim rehberi ..............................................................................................25Baflka parafudr gerekir mi?............................................................................................................25Ana panodaki parafudrun kapasitesi nedir? ..................................................................................25Hangi tamamlay›c› parafudrlar kullan›lmal›? ................................................................................26Hangi referansl› parafudr seçilmeli? .............................................................................................26Parafudr seçme amaçl› örnek ak›fl diyagram› ..............................................................................27Parafudr seçimi için ak›fl diyagram› (TT tek fazl› sistem)..............................................................28Parafudr seçimi için ak›fl diyagram› (TNC-S üç fazl› sistem) ........................................................29Müstakil binalar ......................................................................................................................................30Müstakil binalar flemas› ..........................................................................................................................32Daireler ..............................................................................................................................................34Daireler flemas›........................................................................................................................................36Ofis ortamlar› ..........................................................................................................................................38Ofis ortamlar› flemas› ..............................................................................................................................40Endüstriyel atölyeler ..............................................................................................................................42Endüstriyel atölyeler flemas› ..................................................................................................................44Pano parafudrlar› ....................................................................................................................................46Telefon hatlar› için parafudrlar ..............................................................................................................47Parafudr korumal› prizler ve bürotik bloklar..........................................................................................47Parafudr korumal› bürotik bloklar ..........................................................................................................48Parafudr de¤erlendirmesi ......................................................................................................................49