Predictive control of a three-phase DC-AC Modular Multilevel Converter

Jiangchao Qin, Maryam Saeedifard

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19 Citations (Scopus)

Abstract

The Modular Multilevel Converter (MMC) is a newly introduced multilevel converter topology with high modularity and scalability, suitable for a wide range of voltage/power applications. This paper proposes a model predictive control (MPC) strategy to eliminate the circulating currents and carry out the voltage balancing task of an MMC. A discrete-time mathematical model of an MMC is derived and a predictive model is developed. The salient feature of the proposed control strategy is that it enables precise ac-side current control, capacitor voltage balancing, and circulating current mitigation of an MMC, simultaneously, with a simple implementation procedure. Performance of the proposed MPC-based strategy for a five-level grid-connected MMC unit is evaluated based on time-domain simulation studies in the PSCAD/EMTDC software environment. The reported study results demonstrate satisfactory response of the system operating based on the proposed MPC strategy, under various conditions.

Original languageEnglish (US)
Title of host publication2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012
Pages3500-3505
Number of pages6
DOIs
StatePublished - 2012
Externally publishedYes
Event4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012 - Raleigh, NC, United States
Duration: Sep 15 2012Sep 20 2012

Other

Other4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012
CountryUnited States
CityRaleigh, NC
Period9/15/129/20/12

Fingerprint

Model predictive control
Electric potential
Electric current control
Scalability
Capacitors
Topology
Mathematical models

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Qin, J., & Saeedifard, M. (2012). Predictive control of a three-phase DC-AC Modular Multilevel Converter. In 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012 (pp. 3500-3505). [6342494] https://doi.org/10.1109/ECCE.2012.6342494

Predictive control of a three-phase DC-AC Modular Multilevel Converter. / Qin, Jiangchao; Saeedifard, Maryam.

2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. 2012. p. 3500-3505 6342494.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Qin, J & Saeedifard, M 2012, Predictive control of a three-phase DC-AC Modular Multilevel Converter. in 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012., 6342494, pp. 3500-3505, 4th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2012, Raleigh, NC, United States, 9/15/12. https://doi.org/10.1109/ECCE.2012.6342494
Qin J, Saeedifard M. Predictive control of a three-phase DC-AC Modular Multilevel Converter. In 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. 2012. p. 3500-3505. 6342494 https://doi.org/10.1109/ECCE.2012.6342494
Qin, Jiangchao ; Saeedifard, Maryam. / Predictive control of a three-phase DC-AC Modular Multilevel Converter. 2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012. 2012. pp. 3500-3505
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