Impacts of PLL on the DFIG-based WTG's electromechanical response under transient conditions: analysis and modeling

Dongliang Zhang; Yajing Wang; Jiabing Hu; Shicong Ma; Qing He; Qiang Guo

doi:10.17775/CSEEJPES.2016.00019

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Impacts of PLL on the DFIG-based WTG's electromechanical response under transient conditions: analysis and modeling

更新时间：2025-12-18

- Impacts of PLL on the DFIG-based WTG's electromechanical response under transient conditions: analysis and modeling
- Impacts of PLL on the DFIG-based WTG's electromechanical response under transient conditions: analysis and modeling
- 中国电机工程学会电力与能源系统学报(英文) 2016年2卷第2期页码：30-39
- 作者机构：
  
  1. Huazhong University of Science and Technology,,, CN,Hubei,Wuhan
  2. Ningbo Electric Power Design Institute Co. Ltd.,Ningbo,China,315000
  3. China Electric Power Research Institute,Beijing,China,100192
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2016.00019
  中图分类号：
- 纸质出版：2016
- 稿件说明：
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Dongliang Zhang, Yajing Wang, Jiabing Hu, 等. Impacts of PLL on the DFIG-based WTG's electromechanical response under transient conditions: analysis and modeling[J]. 中国电机工程学会电力与能源系统学报(英文), 2016,2(2):30-39.

Dongliang Zhang, Yajing Wang, Jiabing Hu, et al. Impacts of PLL on the DFIG-based WTG's electromechanical response under transient conditions: analysis and modeling[J]. CSEE Journal of Power and Energy Systems, 2016, 2(2): 30-39.
Dongliang Zhang, Yajing Wang, Jiabing Hu, 等. Impacts of PLL on the DFIG-based WTG's electromechanical response under transient conditions: analysis and modeling[J]. 中国电机工程学会电力与能源系统学报(英文), 2016,2(2):30-39. DOI： 10.17775/CSEEJPES.2016.00019.

Dongliang Zhang, Yajing Wang, Jiabing Hu, et al. Impacts of PLL on the DFIG-based WTG's electromechanical response under transient conditions: analysis and modeling[J]. CSEE Journal of Power and Energy Systems, 2016, 2(2): 30-39. DOI： 10.17775/CSEEJPES.2016.00019.

摘要

Abstract

Increased penetration of wind energy in the electric grid has necessitated studying the impact of wind integration on the transient stability of the power system

with urgency to develop appropriate electromechanical models of the wind turbine generator (WTG). The representation and control of the WTG's electric signals are typically in a rotational dq coordinate system whose reference angle is provided by a phase-locked-loop (PLL). The PLL is commonly considered as a measurement device and is often absent in existing WTG electromechanical models. This paper studies the impact of PLL on the DFIG-based WTG electromechanical response by theoretical and simulation analyses. The dynamics of the PLL are found to greatly influence the WTG electromechanical response

suggesting that PLL should be regarded as an indispensable control loop rather than a measurement device

and its impact should be modeled when establishing the WTG electromechanical model.

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