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适用于AT供电系统的二次侧中点抽出式Scott接线牵引变压器

, PP. 94-100

Keywords: 电气化铁道,AT供电系统,牵引变压器,平衡变压器

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Abstract:

分析了可用于电气化铁道AT供电系统的二次侧中点抽出式Scott接线变压器电气特性和阻抗取值问题。在对AT供电系统不同接线形式变压器进行技术性能比较的基础上,提出了我国高速客运专线牵引变压器的选型建议。试制了一台50kVA的二次侧中点抽出式Scott接线变压器模型,实际测试结果证明了技术方案的可行性和相关数学模型的正确性。二次侧中点抽出式Scott接线变压器具有抑制负序能力强、能省掉变电所内AT、简化变电所主接线、减小变电所占地面积等优点,具有实际应用价值。

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