基于Magnet特高压变压器漏磁场的分析与研究
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摘要
现今主流的超高压大容量变压器大多数都采用自耦结构。与普通双绕组变压器相比,同容量的自耦变压器材料消耗要少得多,体积也小很多;因此,特高压变压器的设计与研究成为变压器制造领域的热点问题。本文以ODFPS-500000/750单相四柱三绕组并联且旁柱带激磁调压结构的变压器为研究对象,应用Magnet有限元分析软件建立了二维仿真模型,在瞬态磁场模拟短路实验的状态下,采用场路耦合法得到变压器漏磁场分布等情况,并进行分析可知,场路耦合法能够较好地模拟变压器的实际运行状态,具有更高的精度。
引文
[1]郭振岩(Guo Zhenyan).中国变压器行业现状及应对措施(Situation and countermeasures of China transformer industry)[J].变压器(Transformer),2012,49(3):4-5.
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[3]赵鲁,李耀华,葛琼璇,等(Zhao Lu,Li Yaohua,Ge Qiongxuan,et al.).单项整流变压器场路耦合分析(Analysis of single-phase rectifier transformer field-circuit coupled)[J].中国电机工程学报(Proceedings of the CSEE),2012,32(12):1-2.
[4]G B Kumbhar,S M Mahajan.Analysis of short circuit and inrush transients in a current transformer using a field-circuit coupled FE formulation[J].International Journal of Electrical Power and Energy Systems,2011,33(8):1361-1367.
[5]潘超,王泽忠,李海龙,等(Pan Chao,Wang Zezhong,Li Hailong,et al.).基于瞬态场路耦合模型的变压器直流偏磁计算(DC-Bias calculation for single phase transformers based on transient field-circuit coupled model)[J].电工技术学报(Transactions of China Electrotechnical Society),2013,28(5):174-181.
[2]尹克宁(Yin Kening).变压器设计原理(Design principles of transformer)[M].北京:中国电力出版社(Beijing:China Electric Power Press),2010.
[3]赵鲁,李耀华,葛琼璇,等(Zhao Lu,Li Yaohua,Ge Qiongxuan,et al.).单项整流变压器场路耦合分析(Analysis of single-phase rectifier transformer field-circuit coupled)[J].中国电机工程学报(Proceedings of the CSEE),2012,32(12):1-2.
[4]G B Kumbhar,S M Mahajan.Analysis of short circuit and inrush transients in a current transformer using a field-circuit coupled FE formulation[J].International Journal of Electrical Power and Energy Systems,2011,33(8):1361-1367.
[5]潘超,王泽忠,李海龙,等(Pan Chao,Wang Zezhong,Li Hailong,et al.).基于瞬态场路耦合模型的变压器直流偏磁计算(DC-Bias calculation for single phase transformers based on transient field-circuit coupled model)[J].电工技术学报(Transactions of China Electrotechnical Society),2013,28(5):174-181.