基于闭环阻尼转矩分析法的电力系统稳定器参数整定

ZHOU Tao

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基于闭环阻尼转矩分析法的电力系统稳定器参数整定

更新时间：2025-08-13

- 基于闭环阻尼转矩分析法的电力系统稳定器参数整定
- Automation of Electric Power Systems Vol. 40, Issue 18, Pages: 56-60(2016)
- 作者机构：
  
  东南大学电气工程学院,江苏省,南京市,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016
- 稿件说明：
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ZHOU Tao. [J]. Automation of electric power systems, 2016, 40(18): 56-60.
DOI：

ZHOU Tao. [J]. Automation of electric power systems, 2016, 40(18): 56-60. DOI：

摘要

阻尼转矩分析(DTA)法中的DTA灵敏度系数表征了电力系统稳定器(PSS)传递函数的变化对系统模态的影响

真正得到的是开环状态下的数值

而闭环情况下的数值更有意义。提出了闭环DTA的概念及其计算方法

在此基础上提出了一个新的灵敏度指标并指出其应用场景

即PSS闭环参数设计和运行方式变化时PSS参数的在线调整

最后通过两区四机系统和大电网的算例证明了闭环DTA指标及其应用的正确性和可行性。

Abstract

The sensitivity coefficient of damping torque analysis(DTA)reflects the influence on system modalities of the change in transfer function. However

the coefficient is the value in the open-loop state. The value in the closed-loop state is more meaningful. As a result

this paper proposes the closed-loop DTA and its calculation method. Based on this

a new sensitivity index is proposed. Its application scenarios are also put forward including the closed-loop parameter design of power system stabilizer(PSS)and the online optimization of PSS when the operating method changes. At last

the correctness and feasibility of the closed-loop DTA and its applications are demonstrated by practical examples. This work is supported by National Natural Science Foundation of China(No. 51277029).

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