Improvement of transient stability in an AC/DC system with synchronverter based HVDC

Aouini, Raouia; Marinescu, Bogdan; Kilani, Khadija Ben; Elleuch, M.

doi:10.1109/ssd.2015.7348137

Cited by 6 publications

(2 citation statements)

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“…The residues of the transfer function determine the participation factor of each pole corresponding to a particular dynamics of the system. An analytical tuning approach based on specific residues has been presented to derive the synchronverter parameters considering the less dampened dominating modes of oscillations [75], [76]. The variation of control parameter m K shifts the pole from its initial point n  0…”

Section: ) Empirical Relationshipmentioning

confidence: 99%

Synchronverter: A Comprehensive Review of Modifications, Stability Assessment, Applications and Future Perspectives

et al. 2020

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The increase in the penetration of renewable energy sources (RES) has reduced the effective inertia of the power system dominated by synchronous machines. The reduction in inertia has paved the way to the development of inertia emulation techniques, which complements the increased penetration of RES. The synchronverter technology is one among the virtual inertia emulation techniques which resembles close to the synchronous machine. The advancements in control and adaptations of synchronverter for various applications demand a comprehensive yet critical review. Thus, the main objective of this paper is to present a critical review of synchronverter technology which could increase the inertial response of RES. A critical analysis of modifications made to original synchronverter and the stability assessment techniques is presented. The effect of parameter variation on stability and dynamic performance is brought out as a decision matrix by analysing the movement of eigenvalues presented in various works. Towards the end, a synoptic overview is presented to depict the research trend and emphasize the domain which requires further attention. Furthermore, a brief discussion of the research gaps perceived during the phase of review is presented to leverage future research in the field.

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Section: ) Empirical Relationshipmentioning

confidence: 99%

Synchronverter: A Comprehensive Review of Modifications, Stability Assessment, Applications and Future Perspectives

et al. 2020

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“…However, they have the characteristics of intermittence and randomness, which makes it more and more limiting for the traditional power grid to absorb ultra-large-scale renewable energies. The flexible multi-terminal DC grid technology is one of the effective techniques to solve this problem [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

An Improved Droop Control Method for Multi-Terminal VSC-HVDC Converter Stations

Wang

Duan

et al. 2017

Energies

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Multi-terminal high voltage direct current transmission based on voltage source converter (VSC-HVDC) grids can connect non-synchronous alternating current (AC) grids to a hybrid alternating current and direct current (AC/DC) power system, which is one of the key technologies in the construction of smart grids. However, it is still a problem to control the converter to achieve the function of each AC system sharing the reserve capacity of the entire network. This paper proposes an improved control strategy based on the slope control of the DC voltage and AC frequency (V-f slope control), in which the virtual inertia is introduced. This method can ensure that each AC subsystem shares the primary frequency control function. Additionally, with the new control method, it is easy to apply the secondary frequency control method of traditional AC systems to AC/DC hybrid systems to achieve the steady control of the DC voltage and AC frequency of the whole system. Most importantly, the new control method is better than the traditional control method in terms of dynamic performance. In this paper, a new control method is proposed, and the simulation model has been established in Matlab/Simulink to verify the effectiveness of the proposed control method.

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A Simplified Pulse Generation Control Algorithm Based upon the Concept of Synchronverter

Sharmini

2018

Advances in Intelligent Systems and Computing

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Improvement of transient stability in an AC/DC system with synchronverter based HVDC

Cited by 6 publications

References 15 publications

Synchronverter: A Comprehensive Review of Modifications, Stability Assessment, Applications and Future Perspectives

Synchronverter: A Comprehensive Review of Modifications, Stability Assessment, Applications and Future Perspectives

An Improved Droop Control Method for Multi-Terminal VSC-HVDC Converter Stations

A Simplified Pulse Generation Control Algorithm Based upon the Concept of Synchronverter

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