Journal
IEEE TRANSACTIONS ON POWER DELIVERY
Volume 30, Issue 2, Pages 579-589Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRD.2014.2325065
Keywords
Accelerated model; electromagnetic-transient (EMT) simulation; HVDC transmission; modular multilevel converter (MMC); voltage-source converter (VSC)
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Funding
- Engineering and Physical Sciences Research Council (EPSRC) [EP/H018662/1]
- Engineering and Physical Sciences Research Council [EP/L014106/1, EP/H018662/1] Funding Source: researchfish
- EPSRC [EP/H018662/1, EP/L014106/1] Funding Source: UKRI
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Modular multilevel converters (MMC) are presently the converter topology of choice for voltage-source converter high-voltage direct-current (VSC-HVDC) transmission schemes due to their very high efficiency. These converters are complex, yet fast and detailed electromagnetic transients simulation models are necessary for the research and development of these transmission schemes. Excellent work has been done in this area, though little objective comparison of the models proposed has yet been undertaken. This paper compares for the first time, the three leading techniques for producing detailed MMC VSC-HVDC models in terms of their accuracy and simulation speed for several typical simulation cases. In addition, an improved model is proposed which further improves the computational efficiency of one method. This paper concludes by presenting evidence-based recommendations for which detailed models are most suitable for which particular studies.
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