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3 results on '"resonance mode frequencies"'

1. Study on the resonance stability problem of the wind power base with the MMC–HVDC system

Author

Facai Xing, Shijia Wang, Feng Zhang, Heng Wang, Zheng Xu, and Huanqing Xiao

Subjects
HVDC power transmission, permanent magnet generators, asynchronous generators, power system stability, damping, wind power plants, synchronous generators, HVDC power convertors, wind turbines, power grids, voltage-source convertors, resonance stability problem, MMC–HVDC system, negative resistance effect, power electronic equipment, unstable resonance problems, wind farms, converter stations, wind power base coupling, multilevel converter−high-voltage direct-current transmission system, s-domain impedance models, induction wind generator, permanent magnet synchronous wind generator, s-domain nodal admittance matrix method, resonance structure, resonance mode frequencies, resonance mode damping factors, nodal voltage mode shapes, MMC station, Engineering (General). Civil engineering (General), TA1-2040
Abstract

Considering the negative resistance effect of power electronic equipment, unstable resonance problems may occur between wind farms and converter stations. This paper focuses on the resonance stability problem of a wind power base coupling with a multi-level converter−high-voltage direct-current transmission (MMC–HVDC) system. Firstly, the s-domain impedance models of the doubly-fed induction wind generator, the permanent magnet synchronous wind generator, and the modular MMC are built, through the theoretical derivation and simulation test. Secondly, based on the s-domain nodal admittance matrix method, the resonance structure of the wind power base coupling with an MMC–HVDC system is analysed, including the resonance mode frequencies, the resonance mode damping factors, the nodal participation factors, and the nodal voltage mode shapes. Thirdly, the main factors influencing the resonance structure are studied, including the topology of the wind power base, the capacity of the wind turbines, and the operation mode of the MMC station. Finally, a brief conclusion ends the paper.

Published
2019
Full Text
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2. Study on the resonance stability problem of the wind power base with the MMC–HVDC system.

Author

Xing, Facai, Wang, Shijia, Zhang, Feng, Wang, Heng, Xu, Zheng, and Xiao, Huanqing

Subjects
WIND power, WIND power plants, CASCADE converters, ELECTRIC generators, RESONANCE
Abstract

Considering the negative resistance effect of power electronic equipment, unstable resonance problems may occur between wind farms and converter stations. This paper focuses on the resonance stability problem of a wind power base coupling with a multi-level converter−high-voltage direct-current transmission (MMC–HVDC) system. Firstly, the s-domain impedance models of the doubly-fed induction wind generator, the permanent magnet synchronous wind generator, and the modular MMC are built, through the theoretical derivation and simulation test. Secondly, based on the s-domain nodal admittance matrix method, the resonance structure of the wind power base coupling with an MMC–HVDC system is analysed, including the resonance mode frequencies, the resonance mode damping factors, the nodal participation factors, and the nodal voltage mode shapes. Thirdly, the main factors influencing the resonance structure are studied, including the topology of the wind power base, the capacity of the wind turbines, and the operation mode of the MMC station. Finally, a brief conclusion ends the paper. [ABSTRACT FROM AUTHOR]

Published
2019
Full Text
View/download PDF

3. Study on the resonance stability problem of the wind power base with the MMC–HVDC system

Author

Zheng Xu, Heng Wang, Shijia Wang, Huanqing Xiao, Feng Zhang, and Facai Xing

Subjects
wind power plants, Energy Engineering and Power Technology, voltage-source convertors, Topology (electrical circuits), s-domain nodal admittance matrix method, resonance structure, induction wind generator, power electronic equipment, HVDC power convertors, converter stations, Control theory, Normal mode, power system stability, wind turbines, permanent magnet generators, permanent magnet synchronous wind generator, MMC station, Coupling, Physics, MMC–HVDC system, Wind power, damping, s-domain impedance models, business.industry, Nodal admittance matrix, General Engineering, resonance mode frequencies, wind farms, wind power base coupling, HVDC power transmission, Modular design, power grids, Power (physics), nodal voltage mode shapes, lcsh:TA1-2040, unstable resonance problems, asynchronous generators, synchronous generators, resonance stability problem, resonance mode damping factors, business, lcsh:Engineering (General). Civil engineering (General), multilevel converter−high-voltage direct-current transmission system, Software, negative resistance effect, Voltage
Abstract

Considering the negative resistance effect of power electronic equipment, unstable resonance problems may occur between wind farms and converter stations. This paper focuses on the resonance stability problem of a wind power base coupling with a multi-level converter−high-voltage direct-current transmission (MMC–HVDC) system. Firstly, the s-domain impedance models of the doubly-fed induction wind generator, the permanent magnet synchronous wind generator, and the modular MMC are built, through the theoretical derivation and simulation test. Secondly, based on the s-domain nodal admittance matrix method, the resonance structure of the wind power base coupling with an MMC–HVDC system is analysed, including the resonance mode frequencies, the resonance mode damping factors, the nodal participation factors, and the nodal voltage mode shapes. Thirdly, the main factors influencing the resonance structure are studied, including the topology of the wind power base, the capacity of the wind turbines, and the operation mode of the MMC station. Finally, a brief conclusion ends the paper.

Published
2019

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