论文部分内容阅读
“对国民经济实行以节能为中心的技术改造和结构改革”是我国现阶段的能源政策。电焊机是使用广泛、耗电最大的通用设备。我厂焊接车间就有数十台之多,搞好电焊机的节电运行将为国家节约大量的宝贵电力,为企业节省可观的电费开支。 电焊机在运行中一般龙头电缆线和搭铁线都很长。一般在50m左右,个别电焊机的拖线可达70m。数百安培的焊接电流通过龙头线和搭铁线时必然产生阻抗损耗,长长的缆线往往盘卷车钢钣上或钢工件上,有的则挂盘在铁支架上,这样电流经过缆线时就在钢件和铁挂架上产生强大的涡流形成损耗。搭铁
“The implementation of technological innovation and structural reform centered on energy conservation in the national economy” is an energy policy at the present stage in our country. Welder is widely used, the largest power consumption of universal equipment. There are dozens of welding workshops in our factory. Doing a good job of saving energy in welding machines will save a lot of precious power for the country and save considerable electricity expenses for the enterprises. Welder in operation generally faucet cable and ground wire are very long. Generally about 50m, individual welding machine’s tow line up to 70m. Hundreds of amperes of welding current inevitably lead to impedance loss through the faucet line and the ground wire. Long cables tend to be placed on the steel sheet or steel workpiece of the coil car, while others are hung on the iron bracket, so that the current passes through the cable When the line on the steel and iron pylons have a strong formation of eddy current loss. Ground