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三相变四相电力变压器模型与实验研究

  • 资源大小:718 K
  • 上传时间: 2023-08-31
  • 上传用户:moh2000
  • 资源积分:2 下载积分
  • 标      签: 电力变压器

资 源 简 介

摘要:建立了三相变四相四心柱电力变压器的数学模型,提出并证明了设计该变压器绕组阻抗所须满足的中

性点接地条件与平衡条件;设计制作了该变压器实验模型,实验验证了理论分析的正确性;理论分析与实验研

究表明,在设计该变压器必须满足的阻抗约束关系中,应优先满足中性点接地条件的要求。关键词:平衡变压器;三相变四相变压器;四相输电;牵引供电系统;绕组阻抗:交叉绕组

Abstract:In this paper,the mathematical model of the three-phase to four-phase power transformer with a four-phase four-limb structure has been constructed;the winding impedance relations among the transformer winding impedances are analyzed;neutral point ground conditions and balance conditions,which we has to satisfy at the design stage of the three-phase to four-phase transformer,are presented and proven.An actual three-phase to four-phase power transformer experimental model is designed and manufactured.The tested results verify the theoretical validity of the proposed winding impedance relations of the transformer.

Key words:balance transformer;three-phase to four-phase transformer;four-phase power transmission;traction supply system;cross-windings;winding impedance


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