A global asymptotical stable control scheme for a Hexverter in fractional frequency transmission systems
A fractional frequency transmission system (FFTS) is the most competitive choice for long distance transmission of offshore wind power, while the Hexverter, as a newly proposed direct AC/AC converter, is an attractive choice for its power conversion. This paper proposes a novel control scheme charac...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IEEE
2019-01-01
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| Series: | Journal of Modern Power Systems and Clean Energy |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/8982245/ |
| _version_ | 1830192756089159680 |
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| author | Yongqing Meng Yichao Zou Huixuan Li Jianyang Yu Xifan Wang |
| author_facet | Yongqing Meng Yichao Zou Huixuan Li Jianyang Yu Xifan Wang |
| author_sort | Yongqing Meng |
| collection | DOAJ |
| description | A fractional frequency transmission system (FFTS) is the most competitive choice for long distance transmission of offshore wind power, while the Hexverter, as a newly proposed direct AC/AC converter, is an attractive choice for its power conversion. This paper proposes a novel control scheme characterizing the global stability and strong robustness of the Hexverter in FFTS applications, which are based on the interconnection and damping assignment passivity-based control (IDA-PBC) methodology. Firstly, the frequency decoupled model of the Hexverter is studied and then a port-controlled Hamiltonian (PCH) model is built. On this basis, the IDA-PB control scheme of the Hexverter is designed. Considering the interference of system parameters and unmodeled dynamics, integrators are added to the IDA-PB controller to eliminate the steady-state error. In addition, the voltage-balancing control is applied in order to balance the capacitor DC voltages to obtain a better performance. Finally, the simulation results and experimental results are presented to verify the effectiveness and superiority of the IDA-PB controller. |
| first_indexed | 2024-12-18T00:01:44Z |
| format | Article |
| id | doaj.art-2dad95c97a1c441ea65f62fa1927785f |
| institution | Directory Open Access Journal |
| issn | 2196-5420 |
| language | English |
| last_indexed | 2024-12-18T00:01:44Z |
| publishDate | 2019-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | Journal of Modern Power Systems and Clean Energy |
| spelling | doaj.art-2dad95c97a1c441ea65f62fa1927785f2022-12-21T21:27:56ZengIEEEJournal of Modern Power Systems and Clean Energy2196-54202019-01-01761495150610.1007/s40565-019-0549-y8982245A global asymptotical stable control scheme for a Hexverter in fractional frequency transmission systemsYongqing Meng0Yichao Zou1Huixuan Li2Jianyang Yu3Xifan Wang4School of Electrical Engineering, Xi'an Jiaotong University,Xi'an,ChinaSchool of Electrical Engineering, Xi'an Jiaotong University,Xi'an,ChinaState Grid Henan Electric Power Company, Economic Research Institute,Zhengzhou,ChinaSchool of Electrical Engineering, Xi'an Jiaotong University,Xi'an,ChinaSchool of Electrical Engineering, Xi'an Jiaotong University,Xi'an,ChinaA fractional frequency transmission system (FFTS) is the most competitive choice for long distance transmission of offshore wind power, while the Hexverter, as a newly proposed direct AC/AC converter, is an attractive choice for its power conversion. This paper proposes a novel control scheme characterizing the global stability and strong robustness of the Hexverter in FFTS applications, which are based on the interconnection and damping assignment passivity-based control (IDA-PBC) methodology. Firstly, the frequency decoupled model of the Hexverter is studied and then a port-controlled Hamiltonian (PCH) model is built. On this basis, the IDA-PB control scheme of the Hexverter is designed. Considering the interference of system parameters and unmodeled dynamics, integrators are added to the IDA-PB controller to eliminate the steady-state error. In addition, the voltage-balancing control is applied in order to balance the capacitor DC voltages to obtain a better performance. Finally, the simulation results and experimental results are presented to verify the effectiveness and superiority of the IDA-PB controller.https://ieeexplore.ieee.org/document/8982245/Fractional frequency transmission system (FFTS)HexverterPort-controlled Hamiltonian (PCH) systemInterconnection and damping assignment passivity-based control (IDA-PBC) |
| spellingShingle | Yongqing Meng Yichao Zou Huixuan Li Jianyang Yu Xifan Wang A global asymptotical stable control scheme for a Hexverter in fractional frequency transmission systems Journal of Modern Power Systems and Clean Energy Fractional frequency transmission system (FFTS) Hexverter Port-controlled Hamiltonian (PCH) system Interconnection and damping assignment passivity-based control (IDA-PBC) |
| title | A global asymptotical stable control scheme for a Hexverter in fractional frequency transmission systems |
| title_full | A global asymptotical stable control scheme for a Hexverter in fractional frequency transmission systems |
| title_fullStr | A global asymptotical stable control scheme for a Hexverter in fractional frequency transmission systems |
| title_full_unstemmed | A global asymptotical stable control scheme for a Hexverter in fractional frequency transmission systems |
| title_short | A global asymptotical stable control scheme for a Hexverter in fractional frequency transmission systems |
| title_sort | global asymptotical stable control scheme for a hexverter in fractional frequency transmission systems |
| topic | Fractional frequency transmission system (FFTS) Hexverter Port-controlled Hamiltonian (PCH) system Interconnection and damping assignment passivity-based control (IDA-PBC) |
| url | https://ieeexplore.ieee.org/document/8982245/ |
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