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A06B-6082-H206#H510
A06B-6082-H206#H510一般整流桥很少过载,而且现在的整流管过载能力都比较强,从成本上考虑,所以选取的整流器件甚至可以略小于计
算出的电流值。
②电压计算
整流管电压额定值URRM:
URRM≥UAC*√2*1.1*β
式中β为电压系数,一般取2。 目前整流管额定电压选取为单相800V,三相1600V。
多个整流元件并联
很多时候我们会并联器件来满足所需的电流等级,器件的并联降低电流额定值使用,可以参照下面式子选择:
ITa=(1.7~2.5)I/np
式中,I为允许过载时一组桥臂的平均电流,np为并联支路数。
A06B-6082-H206#H510
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