基于有限元场路耦合的十二相整流发电机系统定子匝间短路分析
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摘要
为研究十二相整流发电机系统在定子绕组匝间短路时的运行情况,建立了基于有限元场路耦合仿真的十二相整流发电机系统模型,该模型综合考虑了齿槽效应、谐波等的影响,具有较高的精确度,适用于系统的发电机故障和整流部分故障的研究。根据所建立的模型,对十二相整流发电机系统定子绕组匝间短路故障进行了研究,通过分析故障状态下系统的负载电压、相电压、相电流、短路电流等的变化特点,说明定子绕组匝间短路故障对系统产生的影响。通过仿真与实验结果对比,验证了该文所建模型的合理性和正确性。
In order to study the operation of 12-phase rectifier generator system when the stator winding is short circuited, a system model based on finite element field-circuit coupling simulation is established. The model takes into account the effects of cogging effect, harmonics and so on, has high degree of accuracy, which is suitable for fault diagnosis of generator and rectifier part. According to the established model, stator winding inter-turn short circuit faults of 12-phase rectifier generator system were analyzed. The waveforms of the system load voltage, phase voltage, phase current and short circuit current were obtained, and the effect on stator winding inter-turn short circuit faults of the system was indicated after analyzing waveforms. Through comparative analyses, the simulation results coincide well with experimental results, which verify the rationality and accuracy of the model and analysis.
In order to study the operation of 12-phase rectifier generator system when the stator winding is short circuited, a system model based on finite element field-circuit coupling simulation is established. The model takes into account the effects of cogging effect, harmonics and so on, has high degree of accuracy, which is suitable for fault diagnosis of generator and rectifier part. According to the established model, stator winding inter-turn short circuit faults of 12-phase rectifier generator system were analyzed. The waveforms of the system load voltage, phase voltage, phase current and short circuit current were obtained, and the effect on stator winding inter-turn short circuit faults of the system was indicated after analyzing waveforms. Through comparative analyses, the simulation results coincide well with experimental results, which verify the rationality and accuracy of the model and analysis.
引文
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[14]高景德,王祥珩,李发海.交流电机及其系统的分析[M].北京:清华大学出版社,1993.
[2]马伟明.舰船动力发展的方向-综合电力系统[J].海军工程大学学报,2002,14(6):1-5.Ma Weiming.Integrated power systems-trend of ship power development[J].Journal of Naval University of Engineering,2002,14(6):1-5.
[3]王东,马伟明,刘德志,等.12/3相双绕组感应发电机直流侧突然短路电流分析[J].中国电机工程学报,2005,25(15):133-139.Wang Dong,Ma Weiming,Liu Dezhi,et al.Study on the currents of sudden DC-side short circuit of 12/3-phase dual stator-winding induction generator[J].Proceedings of the CSEE,2005,25(15):133-139.
[4]吴新振,张伟玲,董海涛,等.十二相整流发电机二极管开路的故障运行分析[J].电工技术学报,2017,32(3):157-162.Wu Xinzhen,Zhang Weiling,Dong Haitao,et al.Analysis of diode-open fault operation of 12-phase rectifier generators[J].Transactions of China Electrotechnical Society,2017,32(3):157-162.
[5]孙宇光,黄子果,陈丽,等.十二相整流同步发电机定子匝间短路故障计算[J].电工技术学报,2014,29(3):57-64.Sun Yuguang,Huang Ziguo,Chen Li,et al.Calculation of stator winding inter-turn short circuit in12-phase synchronous generators with rectifier load system[J].Transactions of China Electrotechnical Society,2014,29(3):57-64.
[6]孙宇光,黄子果,魏锟,等.十二相整流同步发电机系统异桥相间短路的故障分析[J].中国电机工程学报,2017,37(3):889-898.Sun Yuguang,Huang Ziguo,Wei Kun,et al.Analysis of stator internal phase-to-phase short circuit between different bridge-rectifiers in the 12-phase synchronous generator with rectifier-load system[J].Proceedings of the CSEE,2017,37(3):889-898.
[7]Patel D C,Chandorkar M C.Modeling and analysis of stator interturnfault location effects on induction machines[J].IEEE Transactions on Industrial Electronics,2014,61(9):4552-4564.
[8]孙宇光,王祥珩,桂林,等.场路耦合法计算同步发电机定子绕组内部故障的暂态过程[J].中国电机工程学报,2004,24(1):136-141.Sun Yuguang,Wang Xiangheng,Gui Lin,et al.Transient calculation of stator’s internal faults in synchronous generator using FEM coupled with multiloop method[J].Proceedings of the CSEE,2004,24(1):136-141.
[9]梁艳萍,张广超,高莲莲,等.核主泵驱动电动机屏蔽套涡流损耗混合算法研究[J].电工技术学报,2018,33(5):1015-1023.Liang Yanping,Zhang Guangchao,Gao Lianlian,et al.Research on hybrid algorithm of can losses in double canned induction motor for nuclear pump[J].Transactions of China Electrotechnical Society,2018,33(5):1015-1023.
[10]左曙光,刘洋,邓文哲.轴向磁通轮毂电机电磁力波灵敏度分析和优化[J].电工技术学报,2018,33(11):2423-2430.Zuo Shuguang,Liu Yang,Deng Wenzhe.Sensitivity analysis and optimization of electromagnetic force wave of an axial-flux in-wheel motor[J].Transactions of China Electrotechnical Society,2018,33(11):2423-2430.
[11]赵洪森,戈宝军,陶大军,等.大型核电汽轮发电机定子内部短路故障时局部电磁力分布研究[J].电工技术学报,2018,33(7):1497-1507.Zhao Hongsen,Ge Baojun,Tao Dajun,et al.Local electromagnetic force distribution study on giant nuclear turbo-generators with stator short-circuit fault[J].Transactions of China Electrotechnical Society,2018,33(7):1497-1507.
[12]陈世坤.电机设计[M].北京:机械工业出版社,2000.
[13]张伟玲,吴新振,王东,等.基于矢量磁位法的多相感应电机定子端部漏感计算[J].中国电机工程学报,2014,34(30):5401-5407.Zhang Weiling,Wu Xinzhen,Wang Dong,et al.Calculation of stator end leakage inductances for multiphase induction machines based on magnetic vector potential[J].Proceedings of the CSEE,2014,34(30):5401-5407.
[14]高景德,王祥珩,李发海.交流电机及其系统的分析[M].北京:清华大学出版社,1993.
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