Gaoya dianqi, 1993 【问】为什么调整真空断路器的触头行程时不允许超过规定值? 【答】真空灭弧室的机械寿命主要决定于波纹管的寿命。波纹管是用液压或焊接成形的零件。触头行程的增大,波纹管的寿命会迅速下降。如果触头行程超出规定值就可能大大缩短真空灭弧室的机械寿命。 【问】真空灭弧室的真空度为什么规定不得低于1.3×10-2Pa?使用中如何检验灭弧室的真空度?
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Gaoya dianqi, 1986 苏联对真空灭弧室和真空断路器进行着积极的研究、设计和试验工作。非常重视最佳的触头材料的研究,触头形状的研究和真空灭弧室制造工艺的完善。 真空灭弧室的研制工作主要在全苏电工研究院进行 ...
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