Study on the fault ride through control for AC-DC hybrid distribution network
Study on the fault ride through control for AC-DC hybrid distribution network
- Author(s): Y. Zhou 1, 2 ; Y. Lu 3 ; X. Ge 4 ; D. Li 3
- DOI: 10.1049/icp.2020.0031
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- Author(s): Y. Zhou 1, 2 ; Y. Lu 3 ; X. Ge 4 ; D. Li 3
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View affiliations
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Affiliations:
1:
State Grid Electric Power Research Institute Co., Ltd. , Nanjing, Jiangsu Province , People's Republic of China ;
2: State Key Laboratory of Smart Grid Protection and Operational Control , Nanjing, Jiangsu Province , People's Republic of China ;
3: School of Power Electric Engineering, Nanjing Institute of Technology , Nanjing, Jiangsu Province , People's Republic of China ;
4: Electric Power Research Institute, State Grid Jiangsu Electric Power Co., Ltd , Nanjing, Jiangsu Province , People's Republic of China
Source:
The 16th IET International Conference on AC and DC Power Transmission (ACDC 2020),
2021
p.
616 – 619
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Affiliations:
1:
State Grid Electric Power Research Institute Co., Ltd. , Nanjing, Jiangsu Province , People's Republic of China ;
- Conference: The 16th IET International Conference on AC and DC Power Transmission (ACDC 2020)
- DOI: 10.1049/icp.2020.0031
- ISBN: 978-1-83953-330-3
- Location: Online Conference
- Conference date: 02-03 July 2020
- Format: PDF
Fault ride through control is an important technology for an efficient operation of AC/DC hybrid distribution network with multiple distributed energies. In this paper, a fault ride through control with energy storage is proposed, in which extra super capacitors is installed on the dc side of the power electronic transformer. The coordinated control of the super capacitors is designed. Meanwhile, the volume calculation of super capacitor is discussed. Finally, a model is established in MATLAB/Simulink and simulations are carried out. The results verify that the low voltage ride through ability of AC/DC hybrid distribution network is enhanced, and the output voltage of the DC side is more stable, with the auxiliary super capacitor.
Inspec keywords: power distribution control; power electronics; AC-DC power convertors; supercapacitors; power distribution faults; power transformers; energy storage
Subjects: Distribution networks; Capacitors; Other power apparatus and electric machines; Transformers and reactors; Power electronics, supply and supervisory circuits; Other energy storage; Control of electric power systems; AC-DC power convertors (rectifiers)