【作者】 李季； 罗隆福； 张志文； 许加柱； 李勇； 刘福生；

【Author】 LI Ji, LUO Long-fu, ZHANG Zhi-wen , XU Jia-zhu, LI Yong, LIU Fu-sheng (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China)

【机构】 湖南大学电气与信息工程学院；

【摘要】 本文提出了一种自耦补偿与谐波屏蔽的新型换流变压器,阐述了新型换流变压器的接线方案和谐波抑制机理;建立了新型换流变压器谐波模型,分析了绕组的谐波电流,推导出使新型换流变压器网侧绕组谐波电流为零的条件。最后针对具体的新型高压直流输电平台模型给出了滤波装置设计实例,分析仿真计算结果表明,本文提出的新型换流变压器原理正确,参数选择合理,滤波效果好,总谐波含量小．在谐波治理方面实现了新突破,具有良好的应用前景。更多还原

【Abstract】 This paper introduced a novel self-coupled and shielding harmonic converter transformer, the windings connection and harmonic shielding scheme was proposed, the harmonic model of the new converter transformer was established and the distribution of harmonic current in the windings was analyzed, the design condition which made the harmonic current being zero in the net side winging was presented. A filter equipments design example base on the new HVDC system model was calculated in the last, the result of calculation and simulation indicate the theory of the new converter transformer is correct and the design of parameters are proper, the filters are effective, the total harmonic currents of the system is quiet low, It has a good application prospect.更多还原