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交流传动电力机车逆变器拍频抑制策略的研究

Research on strategy of inverter beat frequency suppression for AC drive electric locomotives
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摘要 分析了交流传动电力机车直流侧二次脉动电压产生的机理,以及引起牵引电机产生拍频电流的原理。由于大功率交流电力机车电传动系统受功率器件开关频率限制,无法采用电压补偿法抑制拍频电流,所以提出一种频率补偿算法的软件控制策略,并在dSPACE半实物仿真平台上进行了验证,结果证明该方案的有效性。
作者 纪铁生 姜涛 王乃福 JI Tiesheng;JIANG Tao;WANG Naifu
出处 《铁道机车与动车》 2019年第12期26-28,32,共4页 Railway Locomotive and Motor Car
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