Review of DC fault protection for HVDC grids

Rui Li and Lie Xu

Wiley Interdisciplinary Reviews: Energy and Environment, 2018, vol. 7, issue 2

Abstract: The development of modular multilevel converter (MMC) and the increased needs for long distance bulk power transmission using underground and subsea cables have promoted the rapid development and application of voltage source converter (VSC) based high‐voltage DC (HVDC) systems. In this paper, recent advances in the area of DC fault protection in VSC‐based HVDC systems are reviewed. The main characteristics during DC faults are described and various converter topologies, which have DC fault blocking capability, are introduced and compared in terms of efficiency, cost, and control flexibility. The development of DC circuit breaker is introduced and various methods for DC fault detection and system level protection approaches for large scale HVDC grids are also discussed. WIREs Energy Environ 2018, 7:e278. doi: 10.1002/wene.278 This article is categorized under: Energy Infrastructure > Systems and Infrastructure Energy Systems Economics > Systems and Infrastructure

Date: 2018
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