Two-Layer Optimization Strategy of Hydraulic Turbine Governing System Parameters in Ultra-Low Frequency Oscillation Damping Control

被引：0
|
作者：
Yi J. [1 ]
Zhang G. [1 ]
Zhang P. [2 ]
Liu M. [3 ]
Zhang X. [3 ]
机构：
[1] Key Laboratory of Wide-area Measurement and Control on Power System of Sichuan Province, University of Electronic Science and Technology of China, Chengdu
[2] State Grid Sichuan Electric Power Research Institute, Chengdu
[3] China Electric Power Research Institute Co. Ltd, Beijing
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2022年 / 37卷 / 05期
关键词：
Complex torque analysis method; Double-layer robust optimization; Hydraulic turbine governor; Information entropy; Ultra-low frequency oscillation;
D O I：
10.19595/j.cnki.1000-6753.tces.210104
中图分类号：
学科分类号：
摘要：
Aiming at the tricky problem of ultra-low frequency oscillation in the centralized hydropower delivery system, this paper proposes a parameter optimization strategy of hydro turbine governing system that takes into account both damping oscillation and frequency response dynamic performance. Firstly, this paper analyzes the mechanism and influencing factors of ultra-low frequency oscillation based on complex torque method. Secondly, it employs information entropy to develop a comprehensive performance index for suppressing ultra-low frequency oscillation and ensure the regulating ability of governing system. Thirdly, this paper builds a robust optimization model according to the above comprehensive performance index to achieve robust optimization of the governing parameters under complex operation conditions. Finally, the analysis of hydropower delivery real grid in Sichuan shows that the optimized parameters of the speed control system have good abilities to suppress ultra-low frequency oscillation and adjust the frequency under different working conditions. © 2022, Electrical Technology Press Co. Ltd. All right reserved.
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页码：1219 / 1228
页数：9
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共 26 条
  • [1] Xiao Xiangning, Li Wei, Luo Chao, Et al., Survey on operational characteristics and stability control of ultra-HVDC transmission system in islanded mode, Transactions of China Electrotechnical Society, 32, 10, pp. 1-11, (2017)
  • [2] Zhou Jinghao, Jing Chongxi, Gan Deqiang, Et al., Stability analysis of ultra-low frequency oscillation of Yunnan power grid based on value set approach, Power System Technology, 41, 10, pp. 3147-3152, (2017)
  • [3] Chen Lei, Lu Xiaomin, Chen Yiping, Et al., Online analysis and emergency control of ultra-low frequency oscillation using transient energy flow, Automation of Electric Power Systems, 41, 17, pp. 9-14, (2017)
  • [4] Chen Gang, Tang Fan, Shi Huabo, Et al., Optimization strategy of hydrogovernors for eliminating ultralow-frequency oscillations in hydrodominant power systems, IEEE Journal of Emerging and Selected Topics in Power Electronics, 6, 3, pp. 1086-1094, (2018)
  • [5] Wang Fei, Liu Jianqin, Han Feng, Et al., Application of DC modulation to improving operation characteristics of hydropower base grid, Power System Technology, 12, 41, pp. 3911-3916, (2017)
  • [6] He Jingbo, Zhang Jianyun, Li Mingjie, Et al., Frequency domainanalysis and control for governor stability problem in islanded HVDC sending systems, Proceedings of the CSEE, 33, 16, pp. 137-143, (2013)
  • [7] Lu Xiaomin, Chen Lei, Chen Yiping, Et al., Analysis of ultra-low-frequency oscillation of power system primary frequency regulation, Automation of Electric Power Systems, 41, 16, pp. 64-70, (2017)
  • [8] Liu Chunxiao, Zhang Junfeng, Chen Yiping, Et al., Mechanism analysis and simulation on ultra-low frequency oscillation of Yunnan power grid in asynchronous interconnection mode, Southern Power System Technology, 10, 7, pp. 29-34, (2016)
  • [9] Xue Ancheng, Wang Jiawei, Mechanism analysis of ultra-Low frequency oscillation of single hydropower system based on non-smooth bifurcation, Transactions of China Electrotechnical Society, 35, 7, pp. 1489-1497, (2020)
  • [10] Zhang Jianxin, Chen Gang, Zhou Jian, Et al., Suppression of very low frequency oscillation in asynchronous Yunnan grid based on hydroelectric governor additional damping control, Southern Power System Technology, 12, 7, pp. 44-49, (2018)
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