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wen yu da
Author(s): 
Pages: 48
Year: Issue:  5
Journal: Electric Switchgear

Keyword:  内过电压操作过电压电气控制设备栅片介电试验电弧基本磁化曲线闪络和击穿谐振过电压磁感应强度;
Abstract: 问与答1.介电试验中提到的闪络和击穿表示什么?2.过电压有几种?典型的操作过电压有哪些?3.牌号为DW360—50的冷轧优质硅钢片,其360—50是什么含义,最大磁损如P15/50W/kg,最小磁感如B50表示什么?4.为什么断路器的灭弧栅片做成倒V...
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