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本文从理论上分析了继电器触点间电弧产生的原因及消弧措施。为了提高PC控制系统的可靠性,必须保护PC输出继电器的触点。
In this paper, the causes of arc generation between relay contacts and the measures of arc suppression are theoretically analyzed. In order to improve the reliability of the PC control system, the contacts of the PC output relay must be protected.