A novel VDM control of energy storage converter based on adaptive parameters
A novel VDM control of energy storage converter based on adaptive parameters
- Author(s): P. Wang 1 ; J. Zhao ; K. Liu
- DOI: 10.1049/icp.2021.1199
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- Author(s): P. Wang 1 ; J. Zhao ; K. Liu
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View affiliations
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Affiliations:
1:
School of Electrical Engineering, Southeast University , Nanjing , China
Source:
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020),
2021
p.
81 – 86
-
Affiliations:
1:
School of Electrical Engineering, Southeast University , Nanjing , China
- Conference: The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)
- DOI: 10.1049/icp.2021.1199
- ISBN: 978-1-83953-542-0
- Location: Online Conference
- Conference date: 15-17 December 2020
- Format: PDF
In order to suppress the influence of power fluctuation i n DC micro grid system, virtual DC motor ( control is applied to DC converter for improv in g the stability of the system. However, t he traditional virtual DC motor control with fixed parameters cannot take the dynamic response of the system into account. This paper analyzes the principle of virtual DC motor control and builds a small signal mode l . After that, the influence of virtual torque and damping coefficient on the dynamic response of DC bus voltage under power fluctuation is analyzed. On this basis, the virtual DC motor control strategy based on adaptive parameter is proposed, and the adap tive adjustment scheme of virtual torque and damping coefficient is designed. Finally, the feasibility and superiority of the proposed strategy are verified by c omparative simulation under different operating conditions.
Inspec keywords: DC motors; power generation control; distributed power generation; power convertors; torque; dynamic response; damping; energy storage; machine control
Subjects: Power convertors and power supplies to apparatus; Control of electric power systems; d.c. machines; Distributed power generation; Power electronics, supply and supervisory circuits