Enhanced control strategy for MMC-based STATCOM for unbalanced load compensation
Paper in proceedings, 2014

Modular Multilevel Converters (MMC) technology is today one of the preferred technology in HVDC and large STATCOM applications due to modularity, fault tolerance and high efficiency, but the voltage balancing becomes very challenging, especially during negative sequence current injection as required for load unbalance compensation. This paper proposes an improved balancing strategy for the delta configuration to overcome this situation based on the injection of a third harmonic zero sequence current. Simulation results have proved the effectiveness of the proposal even where different switching losses and capacitor tolerance are taken in consideration.

FACTS

Static Synchronous Compensator (STATCOM)

Multilevel converters

HVDC

Converter control

Author

M. Nilves

University of Seville

J. M. Maza

University of Seville

J. M. Mauricio

University of Seville

Remus Teodorescu

Aalborg University

Massimo Bongiorno

Chalmers, Energy and Environment, Electric Power Engineering

P. Rodríguez

UPC

2014 16th European Conference on Power Electronics and Applications (EPE'14-ECCE Europe), Lappeenranta, Finland, 26-28 August 2014

2325-0313 (ISSN)

Areas of Advance

Energy

Subject Categories

Other Electrical Engineering, Electronic Engineering, Information Engineering

DOI

10.1109/EPE.2014.6911014

ISBN

978-147993015-9

More information

Latest update

4/18/2018