DHE直流DC-LINK支撑电容器

广泛应用于风力、太阳能、新能源汽车、UPS，SMPSs,
逆变电源，焊机电源等设备中起耦合隔直/滤波或DC-Link.
电介质：聚丙烯薄膜
结构：金属化膜干式结构
封装：金属铝外壳,阻燃(UL 94V-0)环氧封装
引出：镀锡铜螺母或螺杆引出
高稳定性低ESR,ESL具有自愈性
引用标准/Reference standards
IEC 61071 60068
工作温度范围/Operating temperature range
-40~85℃
容量范围/Capacitance
100~2750μF
额定电压/ Rated Voltage
900~4000VDC
容量偏差 /Tolerance
±5%, ±10%
极间耐电压 /Test voltage between terminals
1.5Ur(DC) 10s 25±5℃
极壳耐电压/ Test voltage between terminals and case
3000V 50Hz 60S, 25±5℃
损耗角正切/Dissipation factor
tgδ≤1×10-3 at 25±5℃ , 100Hz
绝缘电阻/Insulation resistance
C*IR≥5000S, at 100VDC,25±5℃,60S
预期寿命/Life expectancy
100000h at Ur and 70℃
过压运行/Protection against over voltages
1.1×Un
30%of the service period
1.15×Un
30min/d
1.2×Un
5min/d
1.3×Un
1min/d
1.5×Un
100ms no more than 1000 times