Positive and Negative Sequence Separation Control Method for Doubly-fed Wind Power Generator Based on Reduced-order Resonance Regulator

FENG Shengzhou; LI Lan; JIN Jie; YU Haiyang

doi:10.14044/j.1674-1757.pcrpc.2021.03.024

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Positive and Negative Sequence Separation Control Method for Doubly-fed Wind Power Generator Based on Reduced-order Resonance Regulator

更新时间：2024-09-14

- Positive and Negative Sequence Separation Control Method for Doubly-fed Wind Power Generator Based on Reduced-order Resonance Regulator
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 42, Issue 3, Pages: 150-156(2021)
- 作者机构：
  
  太原理工大学
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2021.03.024
  CLC： TM315
- Published：2021，
- 稿件说明：
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[1]冯胜洲,李岚,靳杰,于海洋.基于降阶谐振调节器的双馈风力发电机正负序分离控制方法[J].电力电容器与无功补偿,2021,42(03):150-156.

FENG SHENGZHOU, LI LAN, JIN JIE, et al. Positive and Negative Sequence Separation Control Method for Doubly-fed Wind Power Generator Based on Reduced-order Resonance Regulator. [J]. Power capacitor & reactive power compensation, 2021, 42(3): 150-156.
[1]冯胜洲,李岚,靳杰,于海洋.基于降阶谐振调节器的双馈风力发电机正负序分离控制方法[J].电力电容器与无功补偿,2021,42(03):150-156. DOI： 10.14044/j.1674-1757.pcrpc.2021.03.024.

FENG SHENGZHOU, LI LAN, JIN JIE, et al. Positive and Negative Sequence Separation Control Method for Doubly-fed Wind Power Generator Based on Reduced-order Resonance Regulator. [J]. Power capacitor & reactive power compensation, 2021, 42(3): 150-156. DOI： 10.14044/j.1674-1757.pcrpc.2021.03.024.

摘要

针对因电压不平衡而引起的各分布式电源相角畸变、并网电流不对称等问题

提出了一种基于降阶谐振调节器的电压正负序分离及相角检测方法。介绍了现有正负序分离方法

就其运算复杂的缺点提出改进

并对改进的分离方法及其参数设计分析。与传统方法相比

改进的正负序分离方法能快速分离不平衡电网电压

得到实时相位角

保证了控制系统的实时性。最后在Matlab/Simulink软件平台进行仿真

并通过实验验证控制策略的可行性。

Abstract

In view of such problems as phase angle distortion and asymmetry of grid-connected currentof distributed power sourcedue to voltage imbalance

a kind of voltage positive and negative sequence separation and phase angle detection method based on a reduced-order resonant regulator is proposed. The existing positive and negative sequence separation method is introduced. The improvement to the shortcomings of its complicated operation is proposed and the improved separation method and its parameter design are analyzed.The improved positive and negative sequence separation method

compared to the traditional method

can quickly separate the unbalanced grid voltage and obtain the real-time phase angle

which ensure the realtime nature of the control system. Finally

the simulation is performed on the Matlab/Simulink software platformand the feasibility of the control strategy is verified through experiment.

关键词

降阶谐振调节器电压不平衡正负序分离双馈风力发电机

Keywords

reduced-order resonant regulatorvoltage imbalancepositive and negative sequence separationdoubly-fed wind power turbine

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