| 基于JMarti模型的500kV空载线路分闸过电压研究 |
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| 引用本文： | 陶海英.基于JMarti模型的500kV空载线路分闸过电压研究[J].江西电力职业技术学院学报,2012,25(2):14-16,37. |
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| 作者姓名： | 陶海英 |
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| 作者单位： | 江西电力职业技术学院,江西南昌,330032 |
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| 摘 要： | 分析了500kV线路进行分闸操作出现分闸过电压的机理,建立了元件的仿真计算JMarti模型,该模型具有可靠的计算准确性和数值稳定性。结合实际算例,采用电磁暂态分析程序EMTP进行仿真研究。研究结果对于超高压系统的合理设计、实际系统的安全运行具有一定的实用价值。
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| 关 键 词： | JMarti模型 暂态分析 分闸过电压 |
Research of the Overvoltage at Switching off the Unloaded 500 kV Line Based on JMarti Model |
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| TAO Hai-ying.Research of the Overvoltage at Switching off the Unloaded 500 kV Line Based on JMarti Model[J].Journal of Jiangxi Vocational and Technical College of Electricity,2012,25(2):14-16,37. |
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| Authors: | TAO Hai-ying |
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| Institution: | TAO Hai-ying (Jiangxi Vocational and Technical College of Electricity,Nanchang 330032,China) |
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| Abstract: | This paper analyzes the mechanism of the overvoltage at switching off the unload 500 kV line and establishes the JMarti model of overvoltage simulation.The model possesses reliable accuracy and stability of numerical calculation.Applying Electro-Magnetic Transient Program to simulate switching overvoltage of practical example.The calculation of switching overvoltage is important to rational power equipment design and practical system security operation. |
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| Keywords: | JMarti model transient analysis switching overvoltage |
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