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由铁道部科学技术委员会主持的“内燃机车斩波励磁”技术鉴定会,于1979年4月24日～27日在北京举行。出席会议的共有20个单位33名代表。会议首先听取了大连内燃机车研究所与大连机车车辆工厂关于斩波励磁原理和试验研究情况的汇报以及国内外应用情况的介绍;然后又听取了北京内燃机务段关于东风4机车使用斩波励磁的情况汇报。会议期间还组织观看了东风42002号机车在京包线北京—青龙桥区段上试运情况。参加会议的代表本着实事求是的原则,畅所欲言,既肯定了斩波励磁技术的先进性和已取得的成绩,又对需要进一步完善的地方提出
The Technical Assessment Meeting of Chopper Excitation of Diesel Locomotives, chaired by the Science and Technology Commission of the Ministry of Railways, was held in Beijing from April 24 to 27, 1979. A total of 33 representatives from 20 units attended the meeting. The meeting first listened to the report of the research institute of Dalian Diesel Locomotive and Dalian Locomotive and Rolling Stock Plant on the principle and experimental research of chopper excitation and the introduction of the application at home and abroad. After that, the meeting listened to the application of chopping excitation of Dongfeng 4 locomotive Case report. During the meeting also organized the Dongfeng 42002 locomotive watch Beijing-Beijing-Tsing Lungqiao section of the trial operation. Representatives attending the meeting, in line with the principle of seeking truth from facts, speak their minds, not only affirmed the advanced nature of chopper excitation technology and achievements have been made, but also need to further improve the place