铜铝复合母线(TLF bus bar)是一种新型复合导体材料,其既保持了铜母线(copper bus bar)表面抗氧化能力强的特点,又利用了铝重量轻,价格低的优点,是替代铜母线的极佳材料。但铜铝复合母线在低压成套设备和母线槽中应用必须对其短时耐受...铜铝复合母线(TLF bus bar)是一种新型复合导体材料,其既保持了铜母线(copper bus bar)表面抗氧化能力强的特点,又利用了铝重量轻,价格低的优点,是替代铜母线的极佳材料。但铜铝复合母线在低压成套设备和母线槽中应用必须对其短时耐受能力进行验证。文中通过理论计算分析了低压成套设备和母线槽中铜铝复合母线承受短耐的能力,并对理论值进行了实验验证。结果显示,铜铝复合母线在低压成套设备和母线槽中应用通过增加绝缘支撑架或改变绝缘夹之间距离L值,可使其满足短时耐受能力的要求,为其在低压成套设备和母线槽中应用提供了理论依据以及解决方案。展开更多
The voltage withstanding capability and electric conductivity of CuCr contact materials with low chromium content and fine Cr particles were studied. The results show that the withstanding voltage has little relation ...The voltage withstanding capability and electric conductivity of CuCr contact materials with low chromium content and fine Cr particles were studied. The results show that the withstanding voltage has little relation with the Cr content for the melted casting CuCr alloy within 15%29% Cr content, and that the electric conductivity of the alloy increases with the decreasing of Cr content.展开更多
文摘铜铝复合母线(TLF bus bar)是一种新型复合导体材料,其既保持了铜母线(copper bus bar)表面抗氧化能力强的特点,又利用了铝重量轻,价格低的优点,是替代铜母线的极佳材料。但铜铝复合母线在低压成套设备和母线槽中应用必须对其短时耐受能力进行验证。文中通过理论计算分析了低压成套设备和母线槽中铜铝复合母线承受短耐的能力,并对理论值进行了实验验证。结果显示,铜铝复合母线在低压成套设备和母线槽中应用通过增加绝缘支撑架或改变绝缘夹之间距离L值,可使其满足短时耐受能力的要求,为其在低压成套设备和母线槽中应用提供了理论依据以及解决方案。
基金Project (5 99810 0 5 )supportedbytheNationalNaturalScienceFoundationofChina,Project(2 0 01101004)supportedbytheScienceandTechnologyFoundationofLiaoningProvince China
文摘The voltage withstanding capability and electric conductivity of CuCr contact materials with low chromium content and fine Cr particles were studied. The results show that the withstanding voltage has little relation with the Cr content for the melted casting CuCr alloy within 15%29% Cr content, and that the electric conductivity of the alloy increases with the decreasing of Cr content.