DHE直流支撑DC-Link薄膜电容器(铝壳干式）
主要应用/Application
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.
产品特点/Characteristics
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
技术性能/Specifications
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引用标准/Reference standards
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IEC 61071 60068
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工作温度范围/Operating temperature range
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-40~85℃
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容量范围/Capacitance
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100~2750μF
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额定电压/ Rated Voltage
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900~4000VDC
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容量偏差 /Tolerance
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±5%, ±10%
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极间耐电压 /Test voltage between terminals
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1.5Ur(DC) 10s 25±5℃
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极壳耐电压/ Test voltage between terminals and case
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3000V 50Hz 60S, 25±5℃
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损耗角正切/Dissipation factor
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tgδ≤1×10-3 at 25±5℃ , 100Hz
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绝缘电阻/Insulation resistance
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C*IR≥5000S, at 100VDC,25±5℃,60S
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预期寿命/Life expectancy
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100000h at Ur and 70℃
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过压运行/Protection against over voltages
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1.1×Un
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30%of the service period
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1.15×Un
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30min/d
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1.2×Un
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5min/d
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1.3×Un
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1min/d
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1.5×Un
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100ms no more than 1000 times
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产品介绍
