| 浙江特高压交直流混合电网系统稳定性研究 |
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| 引用本文： | 毛雪雁,孙黎滢,徐政,翁华,华文.浙江特高压交直流混合电网系统稳定性研究[J].浙江电力,2010,29(6):1-4. |
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| 作者姓名： | 毛雪雁 孙黎滢 徐政 翁华 华文 |
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| 作者单位： | 1. 浙江省电力试验研究院,杭州,310014
2. 浙江大学,杭州,310027 |
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| 摘 要： | 根据电网发展规划,"十二五"期间浙江电网将出现1000kV特高压交流输电工程和±800kV特高压直流输电工程同时投产的盛况。为此,从电压稳定、频率稳定、功角稳定等方面考察浙江特高压交直流混合电网的系统稳定性,评估不同直流落点对系统稳定性的影响,发现了浙江电网暂态稳定的薄弱区域和薄弱点,绘制了浙江电网交流故障引发直流故障的概率分布图,提出了研究结论与建议。
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| 关 键 词： | 特高压 交直流混联 电压 频率 功角 稳定 |
A Study on the Stability of Zhejiang UHVAC and UHVDC Power Grid |
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| MAO Xue-yan,SUN Li-ying,XU Zheng,WENG Hua,HUA Wen.A Study on the Stability of Zhejiang UHVAC and UHVDC Power Grid[J].Zhejiang Electric Power,2010,29(6):1-4. |
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| Authors: | MAO Xue-yan SUN Li-ying XU Zheng WENG Hua HUA Wen |
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| Affiliation: | 1.Zhejiang Electric Power Test and Research Institute,Hangzhou 310014,China;2.Zhejiang University,Hangzhou 310027,China) |
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| Abstract: | According to the power grid development plan of State Grid Corporation,both 1 000 kV UHVAC and ±800 kV UHVDC transmission system will be put into operation in Zhejiang during 2011-2015.The paper evaluates the stability of Zhejiang UHVAC and UHVDC Power Grid,including voltage stability,frequency stability and power-angle stability.The effects of different locations of UHVDC inverter stations on the system stability are also analyzed.Weak areas and points of transient stability are discoverd and the probability graph of DC commutation failure caused by AC faults is shown.Finally,reseach conclusions and suggestions are given. |
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| Keywords: | UHV UHVAC and UHVDC transmission system voltage frequency power-angle stability |
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