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直驱风电机组次同步振荡阻尼控制方法及其适应性
作者:
作者单位:

1. 电网安全与节能国家重点实验室(中国电力科学研究院有限公司), 北京市 100192; 2. 国网新疆电力有限公司, 新疆维吾尔自治区乌鲁木齐市 830001

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基金项目:

国家重点研发计划资助项目(2016YFB0900600);国家电网公司科技项目“大型交直流混联电网运行控制和保护”(52094017000W)


Damping Control Method of Subsynchronous Oscillation for Direct Drive Wind Turbine Generator and Its Adaptability
Author:
Affiliation:

1. State Key Laboratory of Power Grid Safety and Energy Conservation(China Electric Power Research Institute), Beijing 100192, China; 2. State Grid Xinjiang Electric Power Co. Ltd., Urumqi 830001, China

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    摘要:

    由风电波动引发的次同步振荡具有振荡频率多变、涉及动态装置多、影响因素复杂等特点,现有的阻尼控制类装置难以实现有效抑制,需研究适用的附加阻尼控制方法。文中通过线性化方法推导了直驱风电机组并网系统的特征方程和传递函数,并获取了风电机组并网系统在不同工况下的频率响应特性。然后提出了基于奈奎斯特稳定判据的风电机组次同步振荡阻尼控制器的参数设计方法,以及基于粒子群优化算法的参数优化方法;结合特征值法及时域仿真法,分析了阻尼控制器对于次同步振荡的抑制作用。研究结果表明,依据前述方法设计的阻尼控制器在多种运行条件下均具有较好的适应性。

    Abstract:

    The subsynchronous oscillations caused by wind power fluctuations have characteristics of variable oscillation frequency, abundant related dynamic devices and complicated influencing factors, the current damping control devices are difficult to realize the effective mitigation of this phenomenon, it is necessary to study the applicable additional damping control methods. The characteristic equations and transfer functions are deduced for integrated power systems with direct drive permanent magnet synchronous generator(PMSG)based wind turbine generators by linearization methods, and frequency response characteristics of the system under different conditions are obtained. A parameter design method for subsynchronous oscillation damping controller of wind turbine generator based on Nyquist stability criterion, and a parameter optimization method based on particle swarm optimization are proposed. By eigenvalue analysis and time domain simulation, the mitigation effect of damping controller on subsynchronous oscillation is analyzed. Results show that the designed damping controller based on the above method is adaptable under various operating conditions.

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周佩朋,宋瑞华,李光范,等.直驱风电机组次同步振荡阻尼控制方法及其适应性[J].电力系统自动化,2019,43(13):177-184. DOI:10.7500/AEPS20180922003.
ZHOU Peipeng, SONG Ruihua, LI Guangfan,et al.Damping Control Method of Subsynchronous Oscillation for Direct Drive Wind Turbine Generator and Its Adaptability[J].Automation of Electric Power Systems,2019,43(13):177-184. DOI:10.7500/AEPS20180922003.

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历史
  • 收稿日期:2018-09-22
  • 最后修改日期:2019-04-27
  • 录用日期:2019-03-27
  • 在线发布日期: 2019-04-26
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