Protection strategy for multi‐terminal high‐voltage direct current grids using SFCLs at converter station output

Garcia, William Ricardo Leon; Tixador, Pascal; Raison, Bertrand; Luscan, Bruno

doi:10.1049/joe.2018.0224

Cited by 8 publications

(8 citation statements)

References 13 publications

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“…In the non-selective protection philosophy, the whole HVDC grid is treated as one protection zone, which leads to de-energisation of the grid if any DC fault occurs (Figure 4(a)). ACCBs, converter-side DCCBs and FBCs have been proposed for fault current interruption, and HSSes or low rating DCCBs (slow-speed with very low energy dissipating capability) are used at the line ends to provide isolation or to assist fault clearing, respectively [45,86,[89][90][91][92][93]. The fully selective protection philosophy uses the same approach as in AC system protection, in which each line is protected individually by DCCBs (Figure 4(b)).…”

Section: Classification Approachesmentioning

confidence: 99%

Multi‐vendor interoperability in HVDC grid protection: State‐of‐the‐art and challenges ahead

Wang

Leterme

Chaffey

et al. 2021

IET Generation Trans & Dist

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Multi-vendor interoperable HVDC grid protection is key to build large-scale HVDC grids in a step-by-step manner. On the one hand, various protection strategies and technologies have been developed in the past decade to address the challenges associated with HVDC grid protection. On the other hand, state-of-the-art HVDC technologies are often vendorspecific and there is a general lack of standardisation on HVDC systems as the majority of existing HVDC systems have been built by single vendors as turn-key projects. In recent years, driven by the need to develop multi-vendor HVDC grids, both national and international standardisation bodies have been working on guidelines and pre-standardisation for HVDC systems. This paper provides a comprehensive review of the recent progress on HVDC grid protection focusing on multi-vendor interoperability and identifies the main challenges to achieve interoperable HVDC grid protection. Compared to AC system protection, the fundamental differences of multi-vendor interoperability in HVDC grid protection are the possible co-existence of multiple protection philosophies and the extended scope of the fault clearing process in terms of protection and control. The challenges and research needs related to multi-vendor HVDC grid protection due to these fundamental differences are identified.

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Section: Classification Approachesmentioning

confidence: 99%

Multi‐vendor interoperability in HVDC grid protection: State‐of‐the‐art and challenges ahead

Wang

Leterme

Chaffey

et al. 2021

IET Generation Trans & Dist

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“…where K 1 = 1.5-2.0, considering the steady-state overcurrent impact and the inhomogeneity caused by the parallel connection of superconducting tapes [26,27].…”

Section: Fault Current Limiting: Fcl-1 321 Topological Principlementioning

confidence: 99%

“…However, none of the papers listed above investigated a protection strategy for DC grids. For this, two detailed protection strategies for MTDC grids were proposed and verified in [26,27], respectively.…”

Section: Introductionmentioning

confidence: 99%

Protection schemes using resistive‐type superconducting fault current limiters with mechanical DC circuit breakers in MMC‐MTDC grids

Xiang

Luo

Gao

et al. 2020

IET Generation, Transmission & Distribution

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“…The HVDC cable is based on bipolar underground transmission cables with a wideband modelling approach where the cable data taken from France-Spain HVDC link (the model is available in EMTP-RV ® ) [12].…”

Section: Introductionmentioning

confidence: 99%

Protection of MTDC Network Using a Resistive Type Superconducting Fault Current Limiter

Amor¹,

Didier²,

Hamoudi³

2021

EJEE

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Multi-terminal DC network (MTDC) offers great potential for long distance huge power delivery with multi-direction power transmission capability. However, the key obstacle in a realization of MTDC is the lack of existing commercial protection device can withstand the DC fault that rises rapidly and surge tenfold within several milliseconds over the whole system. The new technology called Superconducting Fault Current Limiter (SFCL) could bring a solution to the main bottleneck of the MTDC networks. In this work, an electro-thermal model of resistive type SFCL in series with a hybrid DC circuit breaker is proposed to protect a five terminal MTDC network. The numerical analysis carried out using (EMTP-RV®) software, and the simulation results show how effectively the SFCL can reduce the fault current and increase the breaking capability. Moreover, system stability is remarkably improved.

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Protection strategy for multi‐terminal high‐voltage direct current grids using SFCLs at converter station output

Cited by 8 publications

References 13 publications

Multi‐vendor interoperability in HVDC grid protection: State‐of‐the‐art and challenges ahead

Multi‐vendor interoperability in HVDC grid protection: State‐of‐the‐art and challenges ahead

Protection schemes using resistive‐type superconducting fault current limiters with mechanical DC circuit breakers in MMC‐MTDC grids

Protection of MTDC Network Using a Resistive Type Superconducting Fault Current Limiter

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