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Tailor-made Power-angle Characteristic: A New Controller Design Perspective for Grid-Forming Inverter

  • Nanyang Technological University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

The ever-increasing penetration level of renewable energy sources (RESs) makes the future power system dominated by power-electronics devices. To support the system voltage and improve the frequency regulation, the grid-forming inverters are widely adopted. Recently, various active power controllers (APCs) have been developed for the grid-forming inverter, such as droop control, the power synchronization control (PSC), and the virtual synchronous generator (VSG) control. Since the APC establishes a relationship between the active power and the phase angle, its control design significantly affects the synchronization stability, the frequency regulation performance, as well as the steady-state power sharing with other generation units. This paper explores the possibility of designing APC with a tailor-made power-angle characteristic. The generalized APC transfer function and design rules will be elaborated in order to provide new insights into the grid-forming inverter control design. Based on these, a new APC is developed and compared with the conventional ones.

Original languageEnglish
Title of host publication2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages312-317
Number of pages6
ISBN (Electronic)9781728153018
DOIs
StatePublished - 29 Nov 2020
Externally publishedYes
Event9th IEEE International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia - Nanjing, China
Duration: 29 Nov 2020 → 2 Dec 2020

Publication series

Name2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia

Conference

Conference9th IEEE International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia
Country/TerritoryChina
CityNanjing
Period29/11/20 → 2/12/20

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Grid-forming inverter
  • energy storage systems
  • frequency regulation
  • power sharing
  • synchronization

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