Modeling of LCC-HVDC Systems Using Dynamic Phasors

This paper presents an average-value model of a line-commutated converter-based HVDC system using dynamic phasors. The model represents the low-frequency dynamics of the converter and its ac and dc systems, and has lower computational requirements than a conventional electromagnetic-transient (EMT)...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2014-08, Vol.29 (4), p.1989-1998
Main Authors: Daryabak, M., Filizadeh, S., Jatskevich, J., Davoudi, A., Saeedifard, M., Sood, V. K., Martinez, J. A., Aliprantis, D., Cano, J., Mehrizi-Sani, A.
Format: Article
Language:English
Subjects:
Applied sciences
Benchmarking
Computational modeling
Computer simulation
Convertors
Direct current networks
Dynamic average modeling
dynamic phasors
Dynamical systems
Dynamics
Electric converters
Electrical engineering. Electrical power engineering
Electrical machines
Electrical power engineering
electromagnetic-transients (EMT) simulation
Exact sciences and technology
HVDC transmission
line-commutated converter (LCC) HVDC
Mathematical model
Mathematical models
Phasors
Power networks and lines
Power system dynamics
Switches
Switching
Transient analysis
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Summary:This paper presents an average-value model of a line-commutated converter-based HVDC system using dynamic phasors. The model represents the low-frequency dynamics of the converter and its ac and dc systems, and has lower computational requirements than a conventional electromagnetic-transient (EMT) switching model. The developed dynamic-phasor model is verified against an EMT model of the CIGRE HVDC Benchmark. Simulation results confirm the validity and accuracy of the average value model in predicting the low-frequency dynamics of the ac- and dc-side quantities. Merits and applicability limitations of the average model are highlighted.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2014.2308431