Study on Unbalance Compensation Control of STATCOM Based on MMC

Yan Xie; Ya Ne Liao; Zhe Mao

doi:10.4028/www.scientific.net/AMR.852.401

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 852Study on Unbalance Compensation Control of STATCOM...

Study on Unbalance Compensation Control of STATCOM Based on MMC

Abstract:

This paper introduced a new modular multi-level converter (MMC), which could enhance the voltage and power level by sub-converter modules in series and was easy to extend to any level of output. Its structure and working mechanism were described. By analyzing the energy transfer performance of STATCOM based on MMC working conditions in the unbalance compensation, this paper studied compensation control theory in unbalanced complex conditions. To obtain compensation control response speed faster and better compensation effect, a comprehensive compensation control strategy was proposed based on direct current control mode. The simulation results show the strategy has a better tracking precision and response speed for the unbalance compensation current.

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Periodical:

Advanced Materials Research (Volume 852)

Pages:

401-405

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.852.401

Citation:

Cite this paper

Online since:

January 2014

Authors:

Yan Xie, Ya Ne Liao, Zhe Mao

Keywords:

Controller, Modular Multilevel Converter, Unbalance Compensation

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