500 kV输电线路四分裂导线间隔棒能耗分布研究
TM75; 间隔棒用于稳定高压架空输电线路多分裂导线的线束间距,以维持电气性能并减小分裂导线的舞动.在交流输电线路中,间隔棒因工频交变的电磁场产生能耗,造成电力能源的流失.为研究间隔棒能耗的分布规律,建立500 kV四分裂导线间隔棒及适配导线的物理模型.通过有限元方法分析工频电流有效值1000 A、750 A和500 A通流情况下的四分裂导线间隔棒涡流电流密度、磁场强度分布.仿真结果表明:由于集肤效应和邻近效应,传导电流密度主要分布在适配导线外绞线,可以达到106 A/m2量级;涡流电流密度在104~105 A/m2范围,随着通流工频电流有效值的升高而增大,且随着与外绞线距离增大而急剧减小.最...
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Published in | 浙江电力 Vol. 40; no. 11; pp. 66 - 71 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
浙江华电器材检测研究院有限公司,杭州 311100%南京航空航天大学,南京 211106
2021
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Subjects | |
Online Access | Get full text |
ISSN | 1007-1881 |
DOI | 10.19585/j.zjdl.202111010 |
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Abstract | TM75; 间隔棒用于稳定高压架空输电线路多分裂导线的线束间距,以维持电气性能并减小分裂导线的舞动.在交流输电线路中,间隔棒因工频交变的电磁场产生能耗,造成电力能源的流失.为研究间隔棒能耗的分布规律,建立500 kV四分裂导线间隔棒及适配导线的物理模型.通过有限元方法分析工频电流有效值1000 A、750 A和500 A通流情况下的四分裂导线间隔棒涡流电流密度、磁场强度分布.仿真结果表明:由于集肤效应和邻近效应,传导电流密度主要分布在适配导线外绞线,可以达到106 A/m2量级;涡流电流密度在104~105 A/m2范围,随着通流工频电流有效值的升高而增大,且随着与外绞线距离增大而急剧减小.最后,针对间隔棒线夹涡流的分布规律,提出两种降低间隔棒能耗的可行性方法. |
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AbstractList | TM75; 间隔棒用于稳定高压架空输电线路多分裂导线的线束间距,以维持电气性能并减小分裂导线的舞动.在交流输电线路中,间隔棒因工频交变的电磁场产生能耗,造成电力能源的流失.为研究间隔棒能耗的分布规律,建立500 kV四分裂导线间隔棒及适配导线的物理模型.通过有限元方法分析工频电流有效值1000 A、750 A和500 A通流情况下的四分裂导线间隔棒涡流电流密度、磁场强度分布.仿真结果表明:由于集肤效应和邻近效应,传导电流密度主要分布在适配导线外绞线,可以达到106 A/m2量级;涡流电流密度在104~105 A/m2范围,随着通流工频电流有效值的升高而增大,且随着与外绞线距离增大而急剧减小.最后,针对间隔棒线夹涡流的分布规律,提出两种降低间隔棒能耗的可行性方法. |
Author | 叶成 李世民 谢声益 吴芳芳 潜力群 张潮海 杜昭启 林雪 |
AuthorAffiliation | 浙江华电器材检测研究院有限公司,杭州 311100%南京航空航天大学,南京 211106 |
AuthorAffiliation_xml | – name: 浙江华电器材检测研究院有限公司,杭州 311100%南京航空航天大学,南京 211106 |
Author_FL | WU Fangfang ZHANG Chaohai DU Zhaoqi YE Cheng LI Shimin XIE Shengyi QIAN Liqun LIN Xue |
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DocumentTitle_FL | Study on Energy Consumption Distribution of Quad Bundle Conductor Spacers on 500 kV Transmission Lines |
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Keywords | 间隔棒;分裂导线;能耗分布;邻近效应 |
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Snippet | TM75; 间隔棒用于稳定高压架空输电线路多分裂导线的线束间距,以维持电气性能并减小分裂导线的舞动.在交流输电线路中,间隔棒因工频交变的电磁场产生能耗,造成电力能源的流失.为研究间隔棒能耗的分布规律,建立500 kV四分裂导线间隔棒及适配导线的物理模型.通过有限元方法分析工频电流有效值1000 A、750 A和500... |
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Title | 500 kV输电线路四分裂导线间隔棒能耗分布研究 |
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