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许加柱,王涛,刘裕兴,郝铭轩,潘宏杰.双流制机车变压器绕组复用电抗器对直流母线电压稳定性的影响[J].电源学报,2019,17(2):146-152
双流制机车变压器绕组复用电抗器对直流母线电压稳定性的影响
Effect of Transformer Winding of Double Electric Locomotive Reused as Reactor on the Stability of DC Bus Voltage
投稿时间:2017-07-05  修订日期:2018-09-06
DOI:10.13234/j.issn.2095-2805.2019.2.146
中文关键词:  双流制机车  变压器绕组  小信号分析法  设备复用  电感计算
英文关键词:double electric locomotive  transformer winding  small signal analysis  device reuse  inductance calculation
基金项目:国家自然科学基金资助面上项目(51477044)
作者单位E-mail
许加柱 湖南大学电气与信息工程学院, 长沙 410082  
王涛 湖南大学电气与信息工程学院, 长沙 410082 473260354@qq.com 
刘裕兴 湖南大学电气与信息工程学院, 长沙 410082  
郝铭轩 湖南大学电气与信息工程学院, 长沙 410082  
潘宏杰 湖南大学电气与信息工程学院, 长沙 410082  
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中文摘要:
      为减少双流制机车体积和重量,直流工作制式下牵引变压器二次侧绕组充当平波电抗器即为其中一项关键技术。二次侧绕组接线方式不同时,其等效电感值可能非线性,这将对直流母线电压稳定性造成重要影响。针对该问题,首先将变压器当作普通电感,建立起双流制机车直流供电模式下系统等效电路,并运用小信号分析法对牵引变压器复用平波电抗器时直流母线电压的稳定性进行了分析;然后在牵引变压器二次侧绕组正串与反串两种不同接线方式下,提出了小信号模型下对应电感值的计算方法,以此得到变压器复用平波电抗器时对直流母线电压稳定性的影响,整个分析求解过程对多流制或双流制机车的研发与应用具有很好的指导作用。
英文摘要:
      The use of secondary-side winding of a traction transformer as a wave smoothing reactor in DC system is a key technology to reduce the size and weight of a double electric locomotive. Different modes of the secondary-side winding connection may possibly result in a nonlinear equivalent inductance value, which will affect the stability of DC bus voltage. To solve this problem, the transformer is treated as an ordinary inductor at first, thus the equivalent circuit of a double electric locomotive system in DC power supply mode is established, and the stability of DC bus voltage when the traction transformer is reused as a wave smoothing reactor is analyzed using the small signal analysis method. Then, a calculation method for the inductance value of the small signal model is proposed in forward and reverse connection modes. In this way, the influence on the stability of DC bus voltage when the traction transformer is reused as a wave smoothing reactor can be analyzed. The whole analysis and solving process is of value to guiding the development and application of multi or double electric locomotives.
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