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1975年8月,在加格达奇召开的全路内燃机车牵引电机专业会议上,由于当时对东风型内燃机车ZQDR-204型牵引电动机绝缘是否已老化的问题缺乏必要的检测手段,与会代表建议开展牵引电机绝缘检测方面的研究工作。随后,上海铁道学院有关人员即着手进行此课题的研究工作。 1977年,开展内燃、电力机车检测技术的研究受到部科技局、机务局、计划局的关注,正式纳入全国铁路十年发展规划中。从1979年
August 1975, held in Jiagedaqi all-road diesel locomotive traction motor professional meeting, due to the then-type diesel locomotive ZQDR-204 traction motor insulation is aging problems lack the necessary means of detection, participants suggested To carry out traction motor insulation testing research. Subsequently, the relevant personnel of Shanghai Railway Institute embarked on the research work on this topic. In 1977, the research on internal combustion and electric locomotive detection technology was paid close attention to by Ministry of Science and Technology, Airframe Bureau and Planning Bureau, and was officially incorporated into the national railway ten-year development plan. From 1979