发明名称 |
A/C ARC WELDING DEVICE |
摘要 |
In the AC arc welder, a number of condensers are connected to a primary winding of a main transformer. Some capacitors drives a relay according to the time constant of a current transformer connected to a secondary winding of the main transformer so that the power factor is controlled. Another relay is installed to turn off the primary power in case of the power short or no-load to prevent the power loss.
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申请公布号 |
KR900007802(B1) |
申请公布日期 |
1990.10.20 |
申请号 |
KR19870011958 |
申请日期 |
1987.10.28 |
申请人 |
LEE MYUNG-HO;LEE CHONG-SHIK |
发明人 |
LEE MYUNG-HO;LEE CHONG-SHIK |
分类号 |
B23K9/10;(IPC1-7):B23K9/10 |
主分类号 |
B23K9/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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