| 基于多回路理论的交流励磁电机定子绕组内部故障仿真与实验研究 |
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| 引用本文： | 牛化敏,桂林,孙宇光,骆林,郝亮亮,王祥珩.基于多回路理论的交流励磁电机定子绕组内部故障仿真与实验研究[J].中国电机工程学报,2019(12):3676-3684. |
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| 作者姓名： | 牛化敏 桂林 孙宇光 骆林 郝亮亮 王祥珩 |
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| 作者单位： | 电力系统及发电设备控制和仿真国家重点实验室（清华大学）;东方电气集团东方电机有限公司;北京交通大学电气工程学院 |
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| 摘 要： | 交流励磁电机能实现变速恒频发电,适用于变速抽水蓄能机组,研究其内部故障特点与传统直流励磁同步电机的区别具有理论意义与实用价值。该文应用多回路理论分析交流励磁电机的定子绕组内部故障,首先建立交流励磁电机的多回路数学模型,实现对故障的暂态仿真;在12kW交流励磁样机上进行单机空载和单机带电阻负载2种不同工况下,不同短路类型的定子绕组内部故障实验,实验和仿真的对比验证数学模型的正确性。根据仿真和实验分析交流励磁样机定子绕组内部故障时的特征,即定子侧不产生新的频率分量,而转子绕组中出现反转基波磁场引起的负序电流。该文的研究为交流励磁电机内部故障主保护方案的设计奠定了理论基础。
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| 关 键 词： | 多回路理论 交流励磁 定子绕组内部故障 负序电流 |
Simulation and Experimental Research on Stator Winding Internal Faults of AC Excitation Machine Based on Multi-loop Theory |
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| NIU Huamin,GUI Lin,SUN Yuguang,LUO Lin,HAO Liangliang,WANG Xiangheng.Simulation and Experimental Research on Stator Winding Internal Faults of AC Excitation Machine Based on Multi-loop Theory[J].Proceedings of the CSEE,2019(12):3676-3684. |
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| Authors: | NIU Huamin GUI Lin SUN Yuguang LUO Lin HAO Liangliang WANG Xiangheng |
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| Affiliation: | (State Key Lab of Control and Simulation of Power System and Generation Equipments (Tsinghua University), Haidian District, Beijing 100084, China;Dongfang Electrical Machinery Co., Ltd, Deyang 618000, Sichuan Province, China;School of Electrical Engineering, Beijing Jiaotong University, Haidian District, Beijing 100044, China) |
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| Abstract: | NIU Huamin;GUI Lin;SUN Yuguang;LUO Lin;HAO Liangliang;WANG Xiangheng(State Key Lab of Control and Simulation of Power System and Generation Equipments (Tsinghua University), Haidian District, Beijing 100084, China;Dongfang Electrical Machinery Co., Ltd, Deyang 618000, Sichuan Province, China;School of Electrical Engineering, Beijing Jiaotong University, Haidian District, Beijing 100044, China) |
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| Keywords: | multi-loop theory AC excitation internal fault of stator windings negative sequence current |
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