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由丹东电器设备厂研制生产的BC-300 400-1型高效节能晶闸管控制磁饱和式交流弧焊机,于1988年6月通过省机械委的技术投产鉴定,又于1989年7月由辽宁省经委能源处和辽宁省电业局主持召开了全省推广应用会。该电焊机利用磁饱和原理通过晶闸管来控制磁饱和程度,从而达到调节焊接电流的目的。原理新颖,性能优良,其技术性能指标达到国际80年代水平。
Developed by Dandong Electric Equipment Factory BC-300 400-1-type energy-saving thyristor-controlled magnetic saturation AC arc welding machine, in June 1988 by the provincial Commission of Mechanical Technology commissioned the appraisal, and in July 1989 by the Liaoning Province Energy Commission and the Liaoning Provincial Electric Power Bureau presided over the province to promote the application will be held. The welding machine uses the principle of magnetic saturation through the thyristor to control the degree of magnetic saturation, so as to achieve the purpose of adjusting the welding current. The principle of novel, excellent performance, its technical performance indicators reached the international 80’s level.