BMXXBP0800H施耐德

所在地: 福建省 廈門市
發布時間: 2025-02-24
詳細信息

BMXXBP0800H施耐德

多數情況下,在指定的峰值電壓下,L2=L1*f1/f2可用於計算預期壽命,其中L2為頻率f2對應的壽命,單位為小時(h);L1為頻率f1對應的壽命,單位為小時(h);結合頻率和電壓有關的老化方程可以導出一般表達式:

Lf2,U2= Lf1,U1×(U1/U2)n×(f1/f2)

其中:

Lf2,U2—頻率f2和電壓U2對應的壽命,單位為小時(h);

Lf1,U1—頻率f1和電壓U1對應的壽命,單位為小時(h);

試驗證明,在不大於1kHz的正弦和衝擊電壓下使用該方法計算壽命是有效的,超過1kHz需要通過試驗測出頻率加速係數。對於多電平的情況,主絕緣電老化的主要因子是基頻峰-峰電壓和頻率。

BMXXBP0800H施耐德 


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