Inertial PLL of Grid-connected Converter for Fast Frequency Support

Xiang Guo; Donghai Zhu; Jiabing Hu; Xudong Zou; Yong Kang; Josep M. Guerrero

doi:10.17775/CSEEJPES.2021.08650

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Inertial PLL of Grid-connected Converter for Fast Frequency Support

Regular Papers | 更新时间：2026-10-15

- Inertial PLL of Grid-connected Converter for Fast Frequency Support
- CSEE Journal of Power and Energy Systems Vol. 9, Issue 4, Pages: 1594-1599(2023)
- 作者机构：
  
  1. State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology,Wuhan,China
  2. Department of Energy Technology, Aalborg University, Aalborg,Denmark
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.08650
  CLC：
- Published：01 July 2023
- 稿件说明：
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Xiang Guo, Donghai Zhu, Jiabing Hu, et al. Inertial PLL of Grid-connected Converter for Fast Frequency Support[J]. CSEE Journal of Power and Energy Systems, 2023, 9(4): 1594-1599.
DOI：

Xiang Guo, Donghai Zhu, Jiabing Hu, et al. Inertial PLL of Grid-connected Converter for Fast Frequency Support[J]. CSEE Journal of Power and Energy Systems, 2023, 9(4): 1594-1599. DOI： 10.17775/CSEEJPES.2021.08650.

摘要

Abstract

Frequency support capability for the grid-connected converter (GCC) is one of the basic safeguards for the stability of renewables-dominated power systems. In this paper

analogous to the motion equation of a synchronous generator (SG)

an inertial phase-locked loop (iPLL) is proposed for GCC to achieve fast frequency support. The iPLL introduces the inertial and damping loops into the classic PLL structure to emulate the natural frequency regulation characteristics of a SG. Compared with the existing methods

the iPLL has a faster frequency response and is simpler in design and implementation. Finally

the proposed iPLL method is validated by experiments.

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