CAJ | 학술논문

在高铁全并联 AT 供电方式下的牵引网链式模型基础上，推导多导线的阻抗及导纳矩阵；结合四周无限隧道模型及电磁场理论，计算隧道中导线的自阻抗、互阻抗和分布电容，并求牵引网供电回路和高架桥桥墩间的耦合系数；在 Simulink 仿真平台里搭建各路段牵引网仿真模型，通过分析该模型输出电气量，验证了所建模型的正确性。在此基础上，研究了负载位置变动高铁牵引网特殊路段的牵引网电压及钢轨电位的分布规律。
재고철전병련 AT 공전방식하적견인망련식모형기출상，추도다도선적조항급도납구진；결합사주무한수도모형급전자장이론，계산수도중도선적자조항、호조항화분포전용，병구견인망공전회로화고가교교돈간적우합계수；재 Simulink 방진평태리탑건각로단견인망방진모형，통과분석해모형수출전기량，험증료소건모형적정학성。재차기출상，연구료부재위치변동고철견인망특수로단적견인망전압급강궤전위적분포규률。
Based on the high-speed rail traction network chain model under the all-parallel autotransformer trac-tion power supply mode,the multi-wire impedance and admittance matrix were deduced in this paper.Combi-ning with all-around infinite tunnel model and electromagnetic field theory,the self-impedance,the mutual im-pedance and distributed capacitance of the tunnel wires were calculated while the coupling coefficient between the loop of traction power supply network and the viaduct piers was obtained.In addition,the simulation mod-el of the traction network for each section was built in the Simulink platform.The analysis of the output elec-trical quantities verified the correctness of the model.Further,the distribution of the network voltage and the rail potential of specific sections of high-speed railway traction network were studied under such dynamic condi-tions as position shifting of locomotive.