產品功能:
對(dui)埋(mai)地(di)鋼質管道的(de)陰極保護電(dian)(dian)(dian)位進行接(jie)地(di)隔離,同(tong)時對(dui)電(dian)(dian)(dian)氣化鐵路、高(gao)壓輸電(dian)(dian)(dian)線路或其它(ta)干擾(rao)源造成(cheng)的(de)電(dian)(dian)(dian)阻性、電(dian)(dian)(dian)容性、電(dian)(dian)(dian)感(gan)性耦合實時接(jie)地(di)連通,將雜(za)(za)散(san)(san)(san)電(dian)(dian)(dian)流(liu)泄放(fang)入地(di),消(xiao)除雜(za)(za)散(san)(san)(san)電(dian)(dian)(dian)流(liu)在管道上(shang)的(de)傳(chuan)導(dao),阻滯雜(za)(za)散(san)(san)(san)電(dian)(dian)(dian)流(liu)從防腐層破損點(dian)流(liu)出,從而保護管道不(bu)(bu)被(bei)雜(za)(za)散(san)(san)(san)電(dian)(dian)(dian)流(liu)加速(su)腐蝕。通過隔離電(dian)(dian)(dian)位及阻抗選型,可以完成(cheng)不(bu)(bu)同(tong)雜(za)(za)散(san)(san)(san)電(dian)(dian)(dian)流(liu)大小、不(bu)(bu)同(tong)治理(li)效果的(de)雜(za)(za)散(san)(san)(san)電(dian)(dian)(dian)流(liu)排流(liu)目的(de)。
技術參數:
額(e)定隔離電壓 |
+2V/-2V |
泄露電流 |
≤10mA |
0.75倍Un下泄露電流 |
≤1mA |
交流(liu)穩(wen)態電流(liu)額(e)定值 |
45A |
額定雷電(dian)沖擊通流容量(8/20μs) |
100kA |
交(jiao)流故障電(dian)流(工頻/30周波) |
≥3500A |
防爆等(deng)級 |
IP65 |
執行標準:
IEC 61643-11:2011 低壓電涌保護器(SPD)第11部分:低壓電力系統的電涌保護器性能要求和試驗方法 EN 61643-11:2012 低(di)壓電涌保護器(SPD)第11部分:低(di)壓電力(li)系統(tong)的電涌保護器性能要求和(he)試驗方法 |