原理及應用說明:
HDCL串聯電(dian)(dian)(dian)熱(re)帶是一(yi)種(zhong)由芯(xin)(xin)線(xian)作為發(fa)(fa)熱(re)體的電(dian)(dian)(dian)伴熱(re)產品,即(ji)在(zai)具有一(yi)定(ding)電(dian)(dian)(dian)阻的芯(xin)(xin)線(xian)上通(tong)過電(dian)(dian)(dian)流,芯(xin)(xin)線(xian)就(jiu)發(fa)(fa)出焦耳熱(re),由于(yu)芯(xin)(xin)線(xian)單位(wei)長度的電(dian)(dian)(dian)阻及(ji)通(tong)過的電(dian)(dian)(dian)流相等,不會像(xiang)并聯型電(dian)(dian)(dian)熱(re)帶隨著使(shi)用(yong)長度的增加而造成尾端功率(lv)降低,因此適用(yong)于(yu)較長距離管線(xian)的伴熱(re)保溫(wen),用(yong)一(yi)個電(dian)(dian)(dian)源點供電(dian)(dian)(dian),最長可(ke)達3000米。
結構說明(ming):
A護套層
B編織層
C外護套
D、E 母線絕緣層(ceng)
F線芯
主要型號規(gui)格(ge):
型(xing)號規格 | 芯線結(jie)構 | 公(gong)稱截(jie)面(mm2) | 20℃阻值(Ω/km) |
HDCL1,2,3(Q)-J3-1.5 | 19*0.32/Φ1.60 | 1.5 | 12.70 |
HDCL1,2,3(Q)-J3-2.0 | 19*0.37/Φ1.85 | 2.0 | 9.50 |
HDCL1,2,3(Q)-J3-2.5 | 19*0.42/Φ2.10 | 2.5 | 7.43 |
HDCL1,2,3(Q)-J3-3.0 | 19*0.42/Φ2.25 | 3 | 6.53 |
HDCL1,2,3(Q)-J3-4.0 | 19*0.42/Φ2.60 | 4 | 4.88 |