考虑d轴抛载试验中测量噪声的同步发电机d轴参数估计

HUANG Miao; LI Wenyuan; YAN Wei; CHENG Bin; WANG Shengjiang

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考虑d轴抛载试验中测量噪声的同步发电机d轴参数估计

更新时间：2025-08-13

- 考虑d轴抛载试验中测量噪声的同步发电机d轴参数估计
- Automation of Electric Power Systems Vol. 35, Issue 14, Pages: 74-79(2011)
- 作者机构：
  
  1. 输配电装备及系统安全与新技术国家重点实验室，重庆大学,重庆市,400044
  2. BC Hydro公司，温哥华V7X1V5,加拿大
  3. 77206部队,云南省,昆明市,650011
  4. 云南电网调度中心,云南省,昆明市,650011
- 作者简介：
- 基金信息：
- DOI：
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- Published：2011
- 稿件说明：
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HUANG Miao, LI Wenyuan, YAN Wei, et al. [J]. Automation of electric power systems, 2011, 35(14): 74-79.
DOI：

HUANG Miao, LI Wenyuan, YAN Wei, et al. [J]. Automation of electric power systems, 2011, 35(14): 74-79. DOI：

摘要

提出了一种在d轴抛载试验条件下估计同步发电机d轴参数的新方法。首先，利用q轴电压、励磁电流以及它们的数值积分，构建线性回归方程。其次，利用辅助变量法求解带有测量噪声的回归方程的系数。最后，根据回归系数计算d轴参数。算例的测试结果表明，所提方法比现有的图形法和数值优化法有更好的估计性能。

Abstract

A novel method for estimating d-axis parameters of synchronous generators under d-axis load rejection test is presented.Firstly，new linear regression equations are constructed with q-axis voltage，excitation current and their numerical integrations.Secondly，coefficients of the regression equations are solved with measurement noises by an instrumental variable approach.Finally，the d-axis parameters are calculated from the estimated regression coefficients.The simulation results on a test case show that the proposed method has a better performance than the traditional response curve method or optimization modeling method.

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