A new DC voltage balancing method for cascaded multilevel inverter based statcom

Date

2007-09-12

Author

Deniz, Mustafa
Gultekin, Burhan
Gercek, Cem Oezguer
Atalik, Tevhid
Cadirci, Isik
Ermis, Mummer

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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It has been mentioned in the literature that, among the multilevel inverter topologies used for STATCOM applications, the cascaded multilevel topology is the most advantageous and economical one. On the other hand, the main problem of this topology comes out to be the difficulty of sustaining the DC capacitors' mean voltages. This issue is very important for obtaining an output voltage with low THD and having equal device stresses. In this work, a new DC voltage balancing method (Selective-Swapping Algorithm) for cascaded multilevel inverter based STATCOM applications is investigated and the results are given. Moreover, these results are compared with the ones obtained for the other DC voltage equalization methods given in the literature.

Subject Keywords

STATCOM, FACT, Cascaded multilevel inverter, Voltage regulation

URI

https://hdl.handle.net/11511/68342

Collections

Unclassified, Conference / Seminar