Analysis of the dynamic stability of HVDC and its control system

被引：0
|
作者：
Yu, Tao [1 ]
Shen, Shande [1 ]
Zhu, Shouzhen [1 ]
Zheng, Jinghong [1 ]
机构：
[1] Tsinghua Univ., Beijing 100084, China
来源：
Dianli Xitong Zidonghue/Automation of Electric Power Systems | 2002年 / 26卷 / 12期
关键词：
Calculations - Control system analysis - Electric current control - Mathematical models - Power control - Stability;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The control manner of HVDC system often plays an important role in the dynamic stability of an AC-DC power system. The improper controller often causes subsynchronous resonance (SSR) of the generation unit and damages its shafting system. The paper introduces a theoretic expression of the electromagnetic torque using the complex torque analysis method. On the basis of this expression the electromagnetic torque, the dynamic stability of HVDC system under different control loop and control manners can be easily identified in quantity. Meanwhile, the proposed method also offers a theoretic principle to help improve the performance of the controller of HVDC system.
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页码：40 / 44
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