摘　要：火力发电厂凝结器、冷油器铜管更换前要对新铜管进行涡流检测，根据多年的检测经验，介绍在火力发电厂铜管涡流检测中的一点经验。 　　关键词：铜管；涡流检测；线圈；灵敏度；相位 　　Abstract: Eddy current detection for new copper tubing should be carried out bef ore the replacement of copper tubing of condenser and oil cooler in th