Influence of Dynamic Load on Dynamic Stability of Power System

韩肖清; 常向伟; 孟辉

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Influence of Dynamic Load on Dynamic Stability of Power System

更新时间：2026-09-14

- Influence of Dynamic Load on Dynamic Stability of Power System
- 动态负荷对电力系统动态稳定性的影响研究
- Issue 3, Pages: 251-255(2007)
- 作者机构：
  
  太原理工大学电气与动力工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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韩肖清, 常向伟, 孟辉. Influence of Dynamic Load on Dynamic Stability of Power System[J]. 2007, (3): 251-255.
DOI：

韩肖清, 常向伟, 孟辉. Influence of Dynamic Load on Dynamic Stability of Power System[J]. 2007, (3): 251-255. DOI：

摘要

介绍了PSASP仿真软件中感应电动机的三阶模型

并用其暂态稳定计算模块

从时域仿真的角度分析了感应电动机比例和低压减载对电力系统动态稳定性的影响

比较了不同参数下低压减载对功角稳定和电压稳定的影响.通过对12节点多机系统的仿真

结果表明:感应电动机比例增加容易造成功角和电压失稳;低压减载有利于电压稳定

但容易造成功角曲线的大幅振荡;负荷的减载量和减载速度对电力系统的动态稳定性也有一定的影响.

Abstract

The third-order induction-motor model in PSASP was introduced.From time domain simulation

the influence of induction-motor ration and low-voltage load shedding on dynamic stability of power system was analyzed by using the transient module.The influence of different parameters in undervoltage load shedding on rotor angle and voltage stability was compared.The 12-bus multi-machine system was simulated

and the results showed that the stabilities of rotor angle and voltage was easily lost when induction-motor ration was increased;low-voltage load shedding was benefit to voltage stability

but it made the rotor angle curve waved largely.The amount and velocity of load shedding have influence on dynamic stability of power system.

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references

赵遵廉.《电力系统安全稳定导则》学习与指导[M].北京:中国电力出版社,2001:42.

陈凤,李欣然,陈辉华,等.电动机模型结构及参数对暂态稳定仿真的影响[J].电力自动化设备,2004,24(8):29-33.Chen Feng,Li Xinran,Chen Huihua,et al.Effect of induction moter model structure and para meters on simulatingcomputation of electric power system transient stability[J].Electric Power Automation Equipment,2004,24(8):29-33.(in Chinese)

米增强,田建设,刘力丰.低压减载对电压稳定作用机理的探讨[J].华北电力大学学报,1999,26(1):31-36.Mi Zengqiang,Tian Jianshe,Liu Lifeng.Research on the mechanism of under-voltage load shedding sin respect ofvoltage stability[J].Journal of North China Electric Power University,1999,26(1):31-36.(in Chinese)

中国电力科学研究院.电力系统分析综合程序用户手册(6.2版)[M].北京:中国电力科学研究院,2003.

倪以信,陈寿孙,张宝霖.动态电力系统理论和分析[M].北京:清华大学出版社,2002.

周双喜.电力系统电压稳定性及其控制[M].北京:中国电力出版社,2003.

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