DC-Link voltage ripple minimization in a modular multilevel voltage source converter for HVDC power transmission

Author

Tomasini, Marco ; Feldman, Ralph ; Clare, Jon C. ; Wheeler, Pat ; Trainer, D.R. ; Whitehouse, R.S.

Author_Institution

Dept. of Electr. & Electron. Eng., Univ. of Nottingham, Nottingham, UK

fYear

2011

fDate

Aug. 30 2011-Sept. 1 2011

Firstpage

1

Lastpage

10

Abstract

This paper presents a method for DC-Link voltage ripple reduction for a recently proposed modular multilevel (M²C) hybrid voltage source converter intended for the HVDC market. A mode of operation is described that enables both control of the modulation index and reduction of the DC-Link voltage and current ripple. This is achieved by superimposing multiple triplen harmonic components to the rectified fundamental component synthesised by the M²C Chain-Link converter.

Keywords

HVDC power convertors; HVDC power transmission; power markets; power transmission economics; DC-link voltage reduction; DC-link voltage ripple minimization; HVDC market; HVDC power transmission; M²C chain-link converter; M²C hybrid voltage source converter; current ripple; modular multilevel hybrid voltage source converter; modulation index control; superimposing multiple triplen harmonic component; Equations; Harmonic analysis; Modulation; Power conversion; Reactive power; Voltage control; HVDC; High voltage power converters; Multilevel converters; Power transmission; Voltage Source Converter (VSC);

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics and Applications (EPE 2011), Proceedings of the 2011-14th European Conference on

Conference_Location

Birmingham

Print_ISBN

978-1-61284-167-0

Electronic_ISBN

978-90-75815-15-3

Type

conf

Filename

6020321