| 多馈入直流输电系统换流母线电压稳定性评估模型和算法 |
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| 引用本文： | 欧开健,荆勇,任震.多馈入直流输电系统换流母线电压稳定性评估模型和算法[J].电力自动化设备,2003,23(9):23-26. |
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| 作者姓名： | 欧开健 荆勇 任震 |
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| 作者单位： | 1. 中国南方电网超高压输变电公司,广东,广州,510620
2. 华南理工大学,电力学院,广东,广州,510640 |
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| 摘 要： | 根据多馈入直流输电MIDC(Multi-Infeed Direct Current)系统中的无功功率和电压之间的关系，提出了MIDC系统换流母线电压稳定性评估的模型和算法，提出了电压调节系数耦合度的概念，通过一个双馈入直流输电系统，分析了直流输电系统控制方式、短路比和MIDC系统中各子系统间电气距离对换流母线电压稳定性因子和电压调节系数耦合度的影响，并提出了提高MIDC系统换流母线电压稳定性的措施。
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| 关 键 词： | MIDC系统 电压稳定性 模型 算法 |
| 文章编号： | 1006-6047(2003)09-0023-04 |
Model and algorithm for assessing voltage stability at commutation buses in MIDC system |
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| OU Kai-jian,JING Yong,REN Zhen.Model and algorithm for assessing voltage stability at commutation buses in MIDC system[J].Electric Power Automation Equipment,2003,23(9):23-26. |
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| Authors: | OU Kai-jian JING Yong REN Zhen |
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| Affiliation: | OU Kai-jian 1,JING Yong 1,REN Zhen 2 |
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| Abstract: | Based on the relation between reactive power and voltage in MIDC(Multi-Infeed Direct Current )system,the model and algorithm for assessing voltage stability at commutation buses in MIDC system are presented.The concept of voltage regulative factor coupling rate(K)is also presen-ted.With a dual-converter HVDC system,the effects of control mode,SCR and electric distance be-tween subsystems on VSF and K are analyzed.The measures that improve voltage stability at com-mutation buses in MIDC system are given. |
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| Keywords: | multi-infeed direct current system voltage stability model algorithm |
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