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1 问题的提出 1999年下半年至 2 0 0 0年底，我段为满足徐州至郑州间大列货物牵引的需求，先后配属 2 8台东风8Ｂ型大功率电传动内燃机车，该型机车采用 2 80型柴油机，装车功率可达 36 80ｋＷ，采用了防空转和防滑行微机控制（励磁一）和油马达（励磁二）两套恒功励磁控?
1 Proposal From the second half of 1999 to the end of 2000, to meet the demand of large cargo trains between Xuzhou and Zhengzhou, I have assigned 28 sets of Dongfeng 8B high-power electric drive diesel locomotives successively. The locomotive adopts 2 80 diesel engine, loading power up to 36 80kW, using anti-skid and anti-skid row microcomputer control (excitation a) and oil motor (excitation two) two sets of constant excitation excitation control?