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集成滤波电感变压器在10kV箱式变电站谐波治理中的应用
Application of integrated filtering inductors transformer in the harmonic suppression of the 10kV prefabricated substation
投稿时间:2018-05-21  修订日期:2018-08-02
DOI:
中文关键词:  箱式变电站  集成电抗器  解耦技术  谐波抑制  
英文关键词:prefabricated substation  integrated reactor. decoupling technology  harmonic suppression
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
作者单位E-mail
许加柱 湖南大学电气与信息工程学院 xujiazhu@126.com 
柏滋艺 湖南大学电气与信息工程学院 534223295@qq.com 
摘要点击次数: 313
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中文摘要:
      针对10kV变电站谐波污染问题,本文提出了一种将特定次滤波电感集成于配电变压器中的技术方案,避免了传统无源滤波装置中空心电抗器占用空间大或铁心电抗器噪音严重的缺点。首先分析了将滤波电感集成于变压器中的解耦技术;然后对某一容量800kVA样机进行有限元仿真,结合降阶电感矩阵法计算出变压器绕组间耦合度和电感矩阵,并以电感矩阵为接口进行系统的场路耦合仿真;最后对样机进行滤波效果的实验测试。仿真和实验结果表明:集成滤波电感配电变压器具有很好的谐波抑制效果且集成滤波电抗器具有与变压器其他绕组低耦合,占用空间较小、不增加噪音等特点。
英文摘要:
      Considering the serious harmonic pollution of 10KV prefabricated substation, a new technical scheme to integrate the filtering inductors into the distribution transformer is proposed, and it avoids the large space occupied by air-core reactor in traditional passive filter or the noise of the iron core reactor. Firstly, the decoupling technique of filtering inductors integrated into transformer is analyzed. Then, based on the finite element simulation of 800kVA experimental prototype, coupling matrix and inductance matrix of transformer winding are calculated by the re-duced-order inductance matrix method, and field-circuit coupling simulation of the system is carried out with inductance matrix. Finally, the experimental prototype is tested of the filtering effect. The simulation and experimental results show that the integrated filtering inductors distri-bution transformer has good harmonic suppression effect, and integrated filtering inductors have the characteristics of decoupling with other winding, small space occupied and low noise.
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