| 负荷特性对电力系统静态电压稳定性的影响及静态电压稳定性广义实用判据 |
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| 引用本文： | 李欣然,贺仁睦,章健,张伶俐.负荷特性对电力系统静态电压稳定性的影响及静态电压稳定性广义实用判据[J].中国电机工程学报,1999(4):2. |
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| 作者姓名： | 李欣然 贺仁睦 章健 张伶俐 |
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| 作者单位： | 1. 长沙电力学院电力系,410077,长沙
2. 华北电力大学电力系,100085,北京 |
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| 摘 要： | 推导出考虑负荷静态电压特性的静态电压稳定条件和广义实用判据，阐述了静态电压失稳与电压崩溃的联系及其区别；分析了负荷静态电压特性对电力系统静态电压稳定性的影响，并指出：系统在鼻形曲线上半支运行时的静态电压稳定性主要取决于网络的电压—功率传输特性，而系统在鼻形曲线下半支运行时的静态电压稳定性则主要取决于负荷的静态电压特性。
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| 关 键 词： | 电力系统 电压稳定性 电压崩溃 负荷特性 |
| 修稿时间： | 1997-06-23 |
EFFECT OF LOAD CHARACTERISTICS ON POWER SYSTEM STEAD-STATE VOLTAGE STABILITY AND THE PRACTICAL CRITERION OF VOLTAGE STABILITY |
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| Li Xinran,He Renmu,Zhang Jian,Zhang Lingli.EFFECT OF LOAD CHARACTERISTICS ON POWER SYSTEM STEAD-STATE VOLTAGE STABILITY AND THE PRACTICAL CRITERION OF VOLTAGE STABILITY[J].Proceedings of the CSEE,1999(4):2. |
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| Authors: | Li Xinran He Renmu Zhang Jian Zhang Lingli |
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| Abstract: | This paper proves that the V Q and V P curves on the receiving end of electric power system are the inherent properties of the system.without reqard to load characteristics.A stead state voltage stability criterion are presented in the paper. The authors point out that the system voltage stability operating at up region of the nose curve depends mainly on the transmission characteristics of the system and the system voltage stability operating at down region of the nose curve depends greatly on the load characteristics. |
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| Keywords: | power system voltage stability voltage collapse load characteristics |
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