BMXXBP0800H施耐德

BMXXBP0800H施耐德

多数情况下，在指定的峰值电压下，L2=L1*f1/f2可用于计算预期寿命，其中L2为频率f2对应的寿命，单位为小时（h）；L1为频率f1对应的寿命，单位为小时（h）；结合频率和电压有关的老化方程可以导出一般表达式：

Lf2,U2= Lf1,U1×(U1/U2)n×（f1/f2）

其中：

Lf2,U2—频率f2和电压U2对应的寿命，单位为小时（h）；

Lf1,U1—频率f1和电压U1对应的寿命，单位为小时（h）；

试验证明，在不大于1kHz的正弦和冲击电压下使用该方法计算寿命是有效的，超过1kHz需要通过试验测出频率加速系数。对于多电平的情况，主绝缘电老化的主要因子是基频峰-峰电压和频率。

BMXXBP0800H施耐德 

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