Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges
Electric spring (ES) is an emerging smart grid technology for stabilizing the voltage and frequency in a power network. Being fast demand-side-management technology, ES has recently been extended to the medium-voltage (MV) level in an ac-dc power conversion system that connects the distribution line...
| Main Authors: | , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2023
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| Online Access: | https://hdl.handle.net/10356/172781 |
| _version_ | 1826129429449932800 |
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| author | Yuan, Huawei Lam, Hin Sang Beniwal, Neha Tan, Siew-Chong Pou, Josep Hui, Ron Shu-Yuen |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Yuan, Huawei Lam, Hin Sang Beniwal, Neha Tan, Siew-Chong Pou, Josep Hui, Ron Shu-Yuen |
| author_sort | Yuan, Huawei |
| collection | NTU |
| description | Electric spring (ES) is an emerging smart grid technology for stabilizing the voltage and frequency in a power network. Being fast demand-side-management technology, ES has recently been extended to the medium-voltage (MV) level in an ac-dc power conversion system that connects the distribution line of 6.6/11/22 kV to a dc grid of 800 V. To interface with the MV power grid, a diode-clamped converter (DCC) and multiple dual active bridges (DABs) can be employed to construct the MV-ES system. The balance of the capacitor voltages is crucial for DCCs, and thereby also for the MV-ES system. Conventional voltage-balancing approaches for DCCs generally compromise the quality of the grid-side voltage and current, which is undesirable especially in high-voltage high-power occasions. In this article, a voltage-balancing control solution is proposed for the MV-ES system via the cooperation of the DCC and DABs. By taking advantage of the DABs in voltage balancing, the DCC can adopt simple modulation and ensure grid-friendly voltage and current injection into the grid. The proposed voltage-balancing solution is verified using simulations in a five-level system and with practical experiments for a three-level system. |
| first_indexed | 2024-10-01T07:40:27Z |
| format | Journal Article |
| id | ntu-10356/172781 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T07:40:27Z |
| publishDate | 2023 |
| record_format | dspace |
| spelling | ntu-10356/1727812023-12-20T01:05:23Z Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges Yuan, Huawei Lam, Hin Sang Beniwal, Neha Tan, Siew-Chong Pou, Josep Hui, Ron Shu-Yuen School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Distribution Network Cooperative Control Electric spring (ES) is an emerging smart grid technology for stabilizing the voltage and frequency in a power network. Being fast demand-side-management technology, ES has recently been extended to the medium-voltage (MV) level in an ac-dc power conversion system that connects the distribution line of 6.6/11/22 kV to a dc grid of 800 V. To interface with the MV power grid, a diode-clamped converter (DCC) and multiple dual active bridges (DABs) can be employed to construct the MV-ES system. The balance of the capacitor voltages is crucial for DCCs, and thereby also for the MV-ES system. Conventional voltage-balancing approaches for DCCs generally compromise the quality of the grid-side voltage and current, which is undesirable especially in high-voltage high-power occasions. In this article, a voltage-balancing control solution is proposed for the MV-ES system via the cooperation of the DCC and DABs. By taking advantage of the DABs in voltage balancing, the DCC can adopt simple modulation and ensure grid-friendly voltage and current injection into the grid. The proposed voltage-balancing solution is verified using simulations in a five-level system and with practical experiments for a three-level system. Nanyang Technological University This work was supported in part by the NTU MediaTek Endowment Fund 03INS001124C140 and NTU Research Exploration Grant 03INS001253C140. 2023-12-20T01:05:23Z 2023-12-20T01:05:23Z 2023 Journal Article Yuan, H., Lam, H. S., Beniwal, N., Tan, S., Pou, J. & Hui, R. S. (2023). Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges. IEEE Transactions On Power Electronics, 38(10), 11997-12009. https://dx.doi.org/10.1109/TPEL.2023.3263184 0885-8993 https://hdl.handle.net/10356/172781 10.1109/TPEL.2023.3263184 2-s2.0-85153338822 10 38 11997 12009 en 03INS001124C140 03INS001253C140 IEEE Transactions on Power Electronics © 2023 IEEE. All rights reserved. |
| spellingShingle | Engineering::Electrical and electronic engineering Distribution Network Cooperative Control Yuan, Huawei Lam, Hin Sang Beniwal, Neha Tan, Siew-Chong Pou, Josep Hui, Ron Shu-Yuen Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges |
| title | Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges |
| title_full | Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges |
| title_fullStr | Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges |
| title_full_unstemmed | Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges |
| title_short | Cooperative voltage-balancing control for medium-voltage electric-spring system based on diode-clamped converter and dual active bridges |
| title_sort | cooperative voltage balancing control for medium voltage electric spring system based on diode clamped converter and dual active bridges |
| topic | Engineering::Electrical and electronic engineering Distribution Network Cooperative Control |
| url | https://hdl.handle.net/10356/172781 |
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