Considerations for Modeling MTDC Systems in Transient Stability Programs

Lefebvre, S.; Wong, W.K.; Reeve, J.; Baker, M.H.; Chapman, D.G.

doi:10.1109/mper.1991.88683

IEEE Power Eng. Rev.

1991

DOI: 10.1109/mper.1991.88683

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Considerations for Modeling MTDC Systems in Transient Stability Programs

S. Lefebvre

W.K. Wong²,

J. Reeve

et al.

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Cited by 3 publications

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“…The font size should be justified with the text and clear to read. 6,7,8,10,11,12,13,14,15,16,19 and 20 are redrawn in the paper to improve the figure quality.In order to make the conclusion section more clear, authors need to include the pointby-point findings of this article. The current conclusion is written very wide and it is not easy to maintain the key findings.…”

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Systematic evaluation for multi-rate simulation of DC grids

Qin

Liang

Zhou

et al. 2017

International Journal of Electrical Power & Energy Systems

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With wide applications of power electronic devices in modern power systems, simulation using traditional electromechanical and electromagnetic tools suffers low speed and imprecision. Multi-rate methods can enhance efficiency of simulation by decreasing the scale of systems in small time-steps. However, the existing traditional methods for multi-rate simulation suffer the problems of instability and simulation errors. These have hindered the application of multi-rate simulation in power industry. Therefore theoretical evaluation on different multi-rate simulation methods is crucial to understand the feasibility and limitation of the methods, and to contribute to overcome the drawbacks of the traditional methods. In this paper, the multi-rate simulation performance based on two traditional technologies and a Modified Thevenin Interface are evaluated to provide an overall feasibility of multi-rate algorithms in the power simulation. The Modified Thevenin Interface is proposed to overcome the drawbacks in synchronization. Three theorems are proposed and proved for theoretically analyzing the stability of the simulation methods. Error analyses of the multi-rate methods are performed to identify the relationships between errors and simulation conditions. Besides, the accuracy and efficiency performance in a practical project of VSC-MTDC shows the feasibility and necessity by using multi-rate simulation. Through the theoretical analysis, the issues of stability and accuracy of multi-rate simulation for the DC grids have been better understood, based on which an improved simulation algorithm has been proposed to overcome these issues. Long-term system dynamics of large-scale systems containing DC grids and fast transients of HVDC converters can be investigated simultaneously with high speed and sufficient accuracy. KeywordsElectromagnetic To view all the submission files, including those not included in the PDF, click on the manuscript title on your EVISE Homepage, then click 'Download zip file'. Journal of Advanced Research Cover Letter Manuscript title:Systematic Evaluation for Multi-Rate Simulation of DC Grids Short running title:Evaluation for Multi-Rate Simulation What does the current manuscript add to the existing knowledge? (Research Highlights)1-Three theorems for the stability of three typical multi-rate simulation algorithms have been proposed and proved.2-The error of three typical multi-rate simulation algorithms has been modelled. 3-The backward synchronization for the Thevenin equivalent interface has beenproposed to overcome the challenge of synchronization.4-Three typical multi-rate simulation algorithms have been compared to illustrate that the modified Thevenin equivalent interface is the most stable and accurate.5-The multi-rate simulation algorithm has been used in the studies of DC grids, which achieve the great improvement of the simulation speed.We affirm that the submission represents original work that has not been published previously and is not currently being considered or submitted...

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confidence: 99%

“…[19] proposed the MTDC modeling including DC lines, converters and DC controllers for transient study. In [20], the saturation of a generator is considered in the transient studies to investigate the bifurcation issues.…”

mentioning

confidence: 99%

Systematic evaluation for multi-rate simulation of DC grids

Qin

Liang

Zhou

et al. 2017

International Journal of Electrical Power & Energy Systems

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“…Also, numerous papers exist on the modelling of two-terminal VSC HVDC systems [7], [8], [9], [10] and some on the modelling of multi-terminal CSC HVDC systems and their implementation in stability programs, e.g. [11] and [12]. As for basic modelling of VSC MTDC systems in power system stability programs, literature is limited to non-existant.…”

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confidence: 99%

Generalized Dynamic VSC MTDC Model for Power System Stability Studies

Cole

Beerten

Belmans

2010

IEEE Trans. Power Syst.

263

142

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“…Modeling of such systems and representation in stability program are well reported [2], [3]. However, VSC-based MTDC has received relatively less attention until recent past when modeling [4], [5], control strategies [6], [7], [8] and protection [9] were studied.…”

mentioning

confidence: 99%

Stability Analysis of VSC MTDC Grids Connected to Multimachine AC Systems

Chaudhuri

Majumder

Chaudhuri

et al. 2011

IEEE Trans. Power Delivery

168

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Considerations for Modeling MTDC Systems in Transient Stability Programs

Cited by 3 publications

References 0 publications

Systematic evaluation for multi-rate simulation of DC grids

Systematic evaluation for multi-rate simulation of DC grids

Generalized Dynamic VSC MTDC Model for Power System Stability Studies

Stability Analysis of VSC MTDC Grids Connected to Multimachine AC Systems

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