Modeling and stability analysis of grid-tied VSC considering the impact of voltage feed-forward

Yin, Rui; Sun, Yuanyuan; Wang, Shanshan; Zhao, Bing; Wu, Guotao; Qin, Shanmeng; Yu, Lin; Zhao, Yuetong

doi:10.1016/j.ijepes.2021.107483

Cited by 13 publications

(5 citation statements)

References 24 publications

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“…There are also direct-drive fans, doubly fed fans, or photovoltaic grid-side converters that interact with HVDC transmission equipment, such as VSC-HVDC [37,38] or LCC-HVDC [39], to cause oscillations. In addition, it is also common for subsynchronous control interactions [40] to occur between converters in multi-energy units to trigger oscillations.…”

Section: Classification Of Wide-band Oscillationsmentioning

confidence: 99%

A Review of the Research on the Wide-Band Oscillation Analysis and Suppression of Renewable Energy Grid-Connected Systems

Liu,

Li,

Wang

et al. 2024

Energies

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With the continuous expansion of the scale of power generated by grid-connected renewable energy, the form and operation characteristics of power grids have undergone significant changes, and the power electronic characteristics of power systems are prominent, resulting in the frequent occurrence of wide-band oscillation problems when renewable energy power generation equipment is connected to a power grid. Oscillation has the characteristics of nonlinearity and has an oscillation frequency ranging from a few hertz to several thousand hertz or more, which seriously threatens the stable operation of power grids. This paper summarizes the wide-band oscillation events that occur worldwide under the background of renewable energy access to power grids, classifies the wide-band oscillation events according to the distribution of oscillation frequency bands, and sorts out the characteristics of various oscillations. From the perspectives of the source side and network side, the existing oscillation suppression measures are classified and prospected.

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Section: Classification Of Wide-band Oscillationsmentioning

confidence: 99%

A Review of the Research on the Wide-Band Oscillation Analysis and Suppression of Renewable Energy Grid-Connected Systems

Liu,

Li,

Wang

et al. 2024

Energies

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“…In this subsection, the influence of control parameters of the aggregated PMSG-based WECS on SSO is analyzed, mainly considering the controller parameters of inner loops of the MSC and GSC [28].…”

Section: Impact Of Control Parametersmentioning

confidence: 99%

A Sub-Synchronous Oscillation Suppression Strategy Based on Active Disturbance Rejection Control for Renewable Energy Integration System via MMC-HVDC

et al. 2023

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To realize the consumption of renewable energy such as wind power and photovoltaics in the power system, renewable energy integration system via modular multilevel converter (MMC)-based high voltage direct current (MMC-HVDC) has been widely applied. However, with the large-scale grid connection of renewable energy units, sub-synchronous oscillation (SSO) is prone to occur. Aiming at the problem, this paper proposes an SSO suppression strategy for renewable energy integration system via MMC-HVDC based on active disturbance rejection control (ADRC) theory. Using the direct drive permanent magnet synchronous generators (PMSG)-based wind farm integration system via MMC-HVDC as an example, firstly the topology and control system principles of the system are described, and a simulation model is built in PSCAD/EMTDC. Moreover, the SSO mechanism of the system is revealed by Nyquist stability criterion, and the major factors affecting the SSO of the system are simulated and analyzed. Subsequently, an additional sub-synchronous damping controller (ASSDC) is proposed based on ADRC theory. Compared to traditional additional damping controllers, the proposed controller considers disturbances of the system during the designing process and has stronger robustness. In addition, when faults happen, the speed of the system with ASSDC reaching a steady-state operating point rises by 33.7% as compared to the system without ASSDC. Finally, the effectiveness of the proposed suppression strategy is verified through simulation analysis.

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“…The PWM current controller signal was obtained by subtracting the reference compensator current from the sensed compensator current. From the output of the pulse width modulation (PWM) current controller, that is, switching signals given to the firing angle of the voltage source converter in the grid-connected PV system, no shunt active filter is used for harmonic reduction; however, the technique of instantaneous current control is implemented to generate the firing angle of a VSC to reduce the total harmonic distortion of the grid current [29,30].…”

Section: Instantaneous Current Control Techniquementioning

confidence: 99%

Implementation of FPGA Based MPPT Techniques for Grid-Connected PV System

Rao¹,

Elango²

2023

Intelligent Automation &Amp; Soft Computing

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Modeling and stability analysis of grid-tied VSC considering the impact of voltage feed-forward

Cited by 13 publications

References 24 publications

A Review of the Research on the Wide-Band Oscillation Analysis and Suppression of Renewable Energy Grid-Connected Systems

A Review of the Research on the Wide-Band Oscillation Analysis and Suppression of Renewable Energy Grid-Connected Systems

A Sub-Synchronous Oscillation Suppression Strategy Based on Active Disturbance Rejection Control for Renewable Energy Integration System via MMC-HVDC

Implementation of FPGA Based MPPT Techniques for Grid-Connected PV System

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