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对变压器进行了检查和分析,找到了产生乙炔气体的直接原因是裸金属低能放电,根本原因是高压套管与均压球连接结构存在问题,并采取了多种措施来处理该缺陷。
Transformers were inspected and analyzed. The direct cause of the generation of acetylene gas was found to be bare metal low-energy discharge. The fundamental reason was that there was a problem in connection structure between high-voltage bushing and pressure-equalizing ball, and various measures were taken to deal with this defect.