| 同步发电机励磁绕组匝间短路的数学模型与故障特征 |
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| 引用本文： | 孙宇光,郝亮亮,王祥珩.同步发电机励磁绕组匝间短路的数学模型与故障特征[J].电力系统自动化,2011,35(6):45-50. |
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| 作者姓名： | 孙宇光 郝亮亮 王祥珩 |
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| 作者单位： | 电力系统国家重点实验室,清华大学电机系,北京市,100084 |
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| 基金项目： | 国家自然科学基金,清华大学博士生科研创新基金，已申请国家发明专利（申请号：２０１０１０１２８９２９．４）。 |
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| 摘 要： | 为实现励磁绕组匝间短路故障的早期诊断,需要准确计算故障电流等电气量.考虑到转子故障引起的气隙磁场的各种空间谐波、定子相绕组内部不平衡电流和励磁绕组电路拓扑结构的改变,建立了同步发电机励磁绕组匝间短路故障的扩充的多回路数学模型,并准确计算了与发生匝间短路故障的励磁绕组有关的电感参数,利用数值方法可对发电机励磁绕组匝间短路...
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| 关 键 词： | 同步发电机 励磁绕组 匝间短路故障 扩充的多回路模型 |
| 收稿时间： | 2010/10/6 0:00:00 |
| 修稿时间： | 3/5/2011 11:47:44 PM |
Math Model and Fault Characteristics of Field Winding Inter-turn Short Circuit of Synchronous Generator |
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| SUN Yuguang,HAO Liangliang,WANG Xiangheng.Math Model and Fault Characteristics of Field Winding Inter-turn Short Circuit of Synchronous Generator[J].Automation of Electric Power Systems,2011,35(6):45-50. |
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| Authors: | SUN Yuguang HAO Liangliang WANG Xiangheng |
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| Affiliation: | SUN Yuguang,HAO Liangliang,WANG Xiangheng(State Key Lab of Power Systems,Department of Electrical Engineering,Tsinghua University,Beijing 100084,China) |
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| Abstract: | In order to achieve early diagnosis for inter-turn short circuit fault of field winding(ISFFW),electrical quantities under fault conditions,such as currents of stator and rotor winding,must be calculated accurately.An extended multi-loop math model for ISFFW is established,which considers the spatial harmonics of air-gap magnetic field,the unbalanced currents inside the phase windings,and changes of topological structure in excitation circuits due to rotor faults.It may accurately evaluate inductances of th... |
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| Keywords: | synchronous generator field winding fault of inter-turn short circuit extended multi-loop math model |
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