DHE直流DC-LINK 支撑电容器
发布时间:2017-11-2 8:46:50 字体:
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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
?%, ?0%
极间耐电压 /Test voltage between terminals
1.5Ur(DC) 10s 25?℃
极壳耐电压/ Test voltage between terminals and case
3000V 50Hz 60S, 25?℃
损耗角正切/Dissipation factor
tgδ≤1?0-3 at 25?℃ , 100Hz
绝缘电阻/Insulation resistance
C*IR≥5000S, at 100VDC,25?℃,60S
预期寿命/Life expectancy
100000h at Ur and 70℃
过压运行/Protection against over voltages
1.1譛n
30%of the service period
1.15譛n
30min/d
1.2譛n
5min/d
1.3譛n
1min/d
1.5譛n
100ms no more than 1000 times