NDLI: Two-tier combined active and reactive power controls for VSC–HVDC-connected large-scale wind farm cluster based on ADMM

Content Provider	IET Digital Library
Author	Huang, Sheng Gong, Yusheng Wu, Qiuwei Rong, Fei
Abstract	To reduce the voltage fluctuations inside the wind farm cluster (WFC), a combined active and reactive power control schemes based on model predictive control is proposed. The aims of the proposed control scheme are to maintain the collector bus and wind turbine (WT) terminal voltages within the feasible range. With the size of WFC increasing, conventional centralised optimal control may no longer be suitable for a large-scale WFC due to the high computation burden of the WFC central controller. To improve the calculation efficiency and protect information privacy, a two-tier control structure with alternating direction method of multipliers (ADMMs) algorithm is used to solve the large-scale optimisation problem in distributed/hierarchical manner. In the upper-tier distributed control, the active and reactive power outputs of the WFs are coordinated to enhance the voltage control performance. In the lower-tier control, an ADMM-based hierarchical control is developed to minimise the voltage deviation of the WT terminals. Case studies demonstrate the efficacy of the proposed two-tier combined active and reactive power controls.
Starting Page	1379
Ending Page	1386
Page Count	8
ISSN	17521416
Volume Number	14
e-ISSN	17521424
Issue Number	Issue 8, Jun (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/14/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2019.1089
Journal	IET Renewable Power Generation
Publisher Date	2020-02-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Power Outputs ADMM-based Hierarchical Control Collector Bus Combined Active Power Control Scheme Control of Electric Power System Control Scheme Conventional Centralised Optimal Control D.C. Transmission Distributed Control High Computation Burden HVDC Power Converter HVDC Power Transmission Large-scale Optimisation Problem Large-scale WFC Lower-tier Control Model Predictive Control Multipliers Algorithm Multivariable Control System Optimal Control Optimisation Optimisation Technique Power And Energy Control Power Control Power Generation Control Power System Control Predictive Control Reactive Power Control Reactive Power Control Scheme Reactive Power Output Two-tier Control Structure Upper-tier Distributed Control Voltage Control Voltage Control Performance Voltage Deviation Voltage Fluctuation VSC–HVDC-connected Large-scale Wind Farm Cluster WFC Central Controller Wind Power Plant Wind Turbine
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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