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Research on AC/DC Flexible Coordinated Control Method for Large Scale DC Infeed

  • 2022
  • OriginalPaper
  • Chapter
Published in:
Authors
Changxiang Huang
Haijun Chang
Xuemao Zhao
Hongli Zhang
Chao Wang
Chutao He
Published in
Proceedings of 2021 International Top-Level Forum on Engineering Science and Technology Development Strategy
Publisher
Springer Nature Singapore

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Abstract

The chapter delves into the intricate challenges posed by the rapid development of UHV AC/DC interconnected power grids, particularly the 'strong DC, weak AC' characteristic that complicates AC-DC coupling relationships. It highlights the issues caused by the replacement of conventional power sources with DC infeed, leading to reduced grid inertia and increased vulnerability to faults. The text also explores the weak connection of UHVAC lines and the high risk of splitting, exacerbated by the increasing capacity of multi-infeed DC systems. The chapter introduces theoretical bases for AC/DC coordinated control, including emergency coordination control and DC damping control, and presents simulation verifications of these control methods. These innovative solutions aim to improve power fluctuation, dynamic stability, and voltage stability in UHV AC/DC hybrid power grids, offering a promising pathway to enhance the security and stability of these complex systems.
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previous chapter Techno-economic Feasibility Analysis of a Hybrid Energy System Under Different Load Forecasting Errors
next chapter Development of Fault Diagnosis Software for the Center Station of High-Voltage Transmission Line
Title
Research on AC/DC Flexible Coordinated Control Method for Large Scale DC Infeed
Authors
Changxiang Huang
Haijun Chang
Xuemao Zhao
Hongli Zhang
Chao Wang
Chutao He
Copyright Year
2022
Publisher
Springer Nature Singapore
Book
Proceedings of 2021 International Top-Level Forum on Engineering Science and Technology Development Strategy

Print ISBN: 978-981-16-7155-5

Electronic ISBN: 978-981-16-7156-2

Copyright Year: 2022

DOI
https://doi.org/10.1007/978-981-16-7156-2_24
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