Decoupled and modular harmonic compensation for multilevel STATCOMs Article

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Overview

abstract

• A modular and decoupled approach to achieve harmonic cancellation in a multilevel Static Compensator (STATCOM) is presented in this paper. This work shows that it is possible to split the compensation tasks depending on the frequency components present on the line current that is intended to be compensated by using the superposition principle and the modular features of an H-bridge based multilevel STATCOM. This approach allows the implementation of the topology with dedicated modules in order to decouple and simplify the control algorithms. The H-bridge modules can be implemented with two different kinds of semiconductors: (i) slow switches for fundamental frequency compensation modules and (ii) fast switches for harmonic frequency compensation modules. As the modules meant for harmonic cancellation can self-regulate its dc voltage, they can follow the load requirements and thus operate with minimum power. The theoretical analysis is validated in a laboratory prototype. © 1982-2012 IEEE.

authors

• Baier C.R.
• Cárdenas Galindo Víctor Manuel
• Espinoza J.R.
• Guzmán J.I.
• Moran L.A.
• Munoz J.A.

publication date

• 2014-01-01

published in

• IEEE Transactions on Industrial Electronics  Journal

Research

keywords

• Harmonic compensation; multilevel power converters; power quality (PQ); static compensator (STATCOM) Algorithms; Electric current regulators; Harmonic analysis; Frequency components; Fundamental frequencies; Harmonic cancellation; Harmonic compensation; Harmonic frequency; Multilevel power converters; Static compensator; Superposition principle; Synchronous machinery

Identity

Digital Object Identifier (DOI)

• 10.1109/TIE.2013.2276058

Additional Document Info

start page

• 2743

end page

• 2753

volume

• 61

issue

• 6