摘要
涟源钢铁集团有限公司一炼钢厂１~＃、 ２~＃６０ｔ电炉 ２０ＫＶ高压断路器由原法国二手压缩空气断路器改为国产真空断路器的设计过程及改后经济效益的分析。
It is described that the 20kV high voltage breaker used for No. 1 and No. 2 EAF's in LY is modified from original second-hand compressed air breaker imported from France to domestic vacuum breaker. The desigh of modification and the economic benefit of after-modification is also analyzed and dis cussed.
出处
《冶金设备》
2000年第1期24-26,共3页
Metallurgical Equipment
关键词
真空断路器
额定容量
阻容保护
电炉
炼钢
Compressed air breaker Vacuum breaker Rated capacity The time of trip-closed Protection of resistor and capacitor
