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本文针对牵引负荷的负序电流对电力系统的不良影响,提出采用阻抗匹配平衡变压器作电气铁道的牵引变压器,并用研制的专用模型作了试验,用试验数据进行了性能分析,证明该新型平衡变压器对抑制负序影响的有效性。
Aiming at the adverse effect of negative sequence current of traction load on the power system, a traction transformer with impedance matching transformer is proposed and tested with a special model. The performance of the new transformer is verified by experimental data. Effectiveness in suppressing negative sequence effects.