| 三峡地下电站840MVA/500kV变压器专用换位导线制造工艺 |
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| 引用本文： | 李雄壮,寇建立,曹士亮.三峡地下电站840MVA/500kV变压器专用换位导线制造工艺[J].电力建设,2011,32(2):100-104. |
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| 作者姓名： | 李雄壮 寇建立 曹士亮 |
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| 作者单位： | 保定天威电力线材有限公司; |
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| 摘 要： | 根据三峡地下电站主变采用的自粘半硬换位导线技术要求,为更好地满足线圈绕制需要,采用铜导体二次改拔新工艺成功实现了高屈服强度漆包扁线制造。经过对大量的导电漆的查询、试验、筛选与比对,找到了适应变压器运行环境的屏蔽悬头导电材料。通过自主创新和优化设计,制定了具有特殊结构的带屏蔽芯自粘换位导线制造的工艺方法和生产流程。根据大截面多线芯换位导线的特点,改进了工艺方法,顺利实现了换位升层,防止了导线变形和受损。
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| 关 键 词： | 带屏蔽芯换位导线 屏蔽悬头 导电银胶 高屈服强度 抽头位置 悬头位置 |
Manufacturing Technology for Special Continuous Transposed Conductors (CTC)in 840 MVA/500 kV Transformers of Three Gorges Underground Power Station |
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| LI Xiongzhuang,KOU Jianli,CAO Shiliang.Manufacturing Technology for Special Continuous Transposed Conductors (CTC)in 840 MVA/500 kV Transformers of Three Gorges Underground Power Station[J].Electric Power Construction,2011,32(2):100-104. |
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| Authors: | LI Xiongzhuang KOU Jianli CAO Shiliang |
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| Affiliation: | LI Xiongzhuang,KOU Jianli,CAO Shiliang(Baoding Tianwei Electric Wire Co.Ltd.,Baoding 071051,Hebei Province,China) |
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| Abstract: | According to the technical requirement for bonding semi-harden continuous transposed conductors(CTC)applied in the main transformers of the Three Gorges Underground Power Station,and in order to satisfy the need of winding,a new technology of copper conductor second changing cold-drawing was implemented and the manufacturing of high proof strength enamel flat wires was realized.Through a series of conductive enamel inquiries,tests,screening and comparing,the suitable screen suspending-head conductive materi... |
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| Keywords: | continuous transposed conductors(CTC)with screen core bundle screen suspending head conductive silver glue the high proof strength tapping position suspending head position |
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