基于灵敏度分析的电力系统稳定器参数优化

SHI Huijie; CHEN Chen; CHEN Xun; ZENG Yan

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基于灵敏度分析的电力系统稳定器参数优化

更新时间：2025-08-13

- 基于灵敏度分析的电力系统稳定器参数优化
- Automation of Electric Power Systems Vol. 36, Issue 17, Pages: 15-19(2012)
- 作者机构：
  
  1. 上海交通大学电气工程系,上海市,200240
  2. 广东电网公司电力科学研究院,广东省,广州市,510600
- 作者简介：
- 基金信息：
- DOI：
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- Published：2012
- 稿件说明：
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SHI Huijie, CHEN Chen, CHEN Xun, et al. [J]. Automation of electric power systems, 2012, 36(17): 15-19.
DOI：

SHI Huijie, CHEN Chen, CHEN Xun, et al. [J]. Automation of electric power systems, 2012, 36(17): 15-19. DOI：

摘要

推导了电力系统稳定器（PSS）参数灵敏度指标的计算过程，并在小干扰稳定分析软件SSAP中实现了2种灵敏度计算功能，即振荡模式特征值及其阻尼比对PSS参数灵敏度的计算功能，以及控制器等效交流增益不变约束下的振荡模式特征值及其阻尼比对控制器补偿相位的灵敏度的计算功能，可以对低频振荡阻尼进行优化（或约束优化）。以红海湾电厂600 MW机组为例，通过PSS参数的灵敏度分析对低频振荡阻尼进行约束优化，特征值分析与现场抗扰动试验的实测录波结果相吻合，验证了SSAP灵敏度分析理论与计算的准确性及其在工程中的指导作用。

Abstract

Parameter sensitivity indices of power system stabilizer（PSS） are introduced and sensitivity computation function are implemented in SSAP power system software package by two approaches;（i）the sensitivity computation function of eigenvalues associated with oscillation modes and their damping ratios via PSS controller parameters; and（ii）the sensitivity computation function of the eigenvalues of oscillation modes and their damping ratios via PSS parameters subject to the condition of constant equivalent AC gain. Low frequency oscillation damping is optimized in both approaches. The 600 MW generator in Honghaiwan power station is taken for case study. The parameter of PSS is optimized by sensitivity analysis subject to constant equivalent AC gain. The optimized results well coincide with the oscillograms recorded during the on site experiment. The sensitivity analysis by SSAP is validated not only by theoretic analysis but also by engineering practice.

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