Publication record · 18.cifr/2009.flourentzou.vsc-hvdc

VSC-Based HVDC Power Transmission Systems: An Overview

v1.0.0

N. Flourentzou (University of Sydney), V.G. Agelidis (University of Sydney), G.D. Demetriades (ABB Corporate Research)

RAI18.cifr/2009.flourentzou.vsc-hvdc

IEEE Transactions on Power Electronics· 2009· doi:10.1109/TPEL.2008.2008441

This paper presents an overview of voltage source converter (VSC) based high-voltage direct current (HVDC) power transmission systems. The paper reviews the VSC converter topologies used in HVDC applications, the pulse width modulation (PWM) techniques applied, and the control methods employed. The advantages and disadvantages of VSC-HVDC over classical line-commutated converter (LCC) HVDC are discussed. The paper also covers installed VSC-HVDC projects worldwide and future prospects for the technology.

VSC-HVDCvoltage source converterPWMpower transmissionmultilevel converterNPC

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Classical LCC-HVDC requires an existing AC voltage for commutation, cannot supply passive networks, and cannot independently control reactive power, limiting deployment in weak grids and offshore wind. Engineers lacked a consolidated reference comparing VSC topologies, modulation schemes, and control methods for HVDC before this survey.

Novelty

This paper provides the first comprehensive taxonomy of VSC-HVDC topologies, modulation strategies, and control architectures in a unified framework. It systematically compares two-level, three-level NPC, and cascaded H-bridge converters and characterizes independent P/Q controllability advantages over classical LCC-HVDC including black-start capability.

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