Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC Grids
Power system interconnections using high-voltage direct-current (HVDC) technologies between different areas can be an effective solution to enhance system efficiency and reliability. Particularly, the multi-terminal dc grids that could balance and ensure resource adequacy increase asset utilization...
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
IEEE
2019-01-01
|
| Series: | IEEE Access |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/8637943/ |
| _version_ | 1818613453573586944 |
|---|---|
| author | Gen Li Jun Liang Tibin Joseph Ting An Jingjing Lu Marcio Szechtman Bjarne R. Andersen Qikai Zhuang |
| author_facet | Gen Li Jun Liang Tibin Joseph Ting An Jingjing Lu Marcio Szechtman Bjarne R. Andersen Qikai Zhuang |
| author_sort | Gen Li |
| collection | DOAJ |
| description | Power system interconnections using high-voltage direct-current (HVDC) technologies between different areas can be an effective solution to enhance system efficiency and reliability. Particularly, the multi-terminal dc grids that could balance and ensure resource adequacy increase asset utilization and reduce costs. In this paper, the technical feasibility of building dc grids using the line-commutated converter-based (LCC) and voltage source converter-based (VSC) HVDC technologies is discussed. Apart from presenting the technical challenges of building LCC dc grids and LCC/VSC hybrid dc grids, the reliability modeling and analysis of theseDCgrids are also presented. First, the detailed reliability model of the modular multi-level converters (MMCs) with series-connected high-voltage and low-voltage bridges is developed. The active mode of redundancy design is considered for the reliability model. To this end, a comprehensive whole system reliability model of the studied systems is developed. The reliability model of each subsystem is modeled in detail. Various reliability indices are calculated using this whole system reliability model. The impacts of the redundancy design of the MMCs on these indices are presented. The studies of this paper provide useful guidance for dc grid design and reliability analysis. |
| first_indexed | 2024-12-16T16:02:22Z |
| format | Article |
| id | doaj.art-b918a050740c4a49a735bc9f2a1842eb |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-12-16T16:02:22Z |
| publishDate | 2019-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-b918a050740c4a49a735bc9f2a1842eb2022-12-21T22:25:27ZengIEEEIEEE Access2169-35362019-01-017224452245610.1109/ACCESS.2019.28983878637943Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC GridsGen Li0https://orcid.org/0000-0002-0649-9493Jun Liang1https://orcid.org/0000-0001-7511-449XTibin Joseph2https://orcid.org/0000-0003-4647-1118Ting An3Jingjing Lu4Marcio Szechtman5Bjarne R. Andersen6Qikai Zhuang7School of Engineering, Cardiff University, Cardiff, U.K.School of Engineering, Cardiff University, Cardiff, U.K.School of Engineering, Cardiff University, Cardiff, U.K.Global Energy Interconnection Research Institute, Beijing, ChinaGlobal Energy Interconnection Research Institute, Beijing, ChinaEletrobras Cepel, Rio de Janeiro, BrazilAndersen Power Electronic Solutions, Bexhill-on-Sea, U.K.Global Energy Interconnection Research Institute Europe GmbH, Berlin, GermanyPower system interconnections using high-voltage direct-current (HVDC) technologies between different areas can be an effective solution to enhance system efficiency and reliability. Particularly, the multi-terminal dc grids that could balance and ensure resource adequacy increase asset utilization and reduce costs. In this paper, the technical feasibility of building dc grids using the line-commutated converter-based (LCC) and voltage source converter-based (VSC) HVDC technologies is discussed. Apart from presenting the technical challenges of building LCC dc grids and LCC/VSC hybrid dc grids, the reliability modeling and analysis of theseDCgrids are also presented. First, the detailed reliability model of the modular multi-level converters (MMCs) with series-connected high-voltage and low-voltage bridges is developed. The active mode of redundancy design is considered for the reliability model. To this end, a comprehensive whole system reliability model of the studied systems is developed. The reliability model of each subsystem is modeled in detail. Various reliability indices are calculated using this whole system reliability model. The impacts of the redundancy design of the MMCs on these indices are presented. The studies of this paper provide useful guidance for dc grid design and reliability analysis.https://ieeexplore.ieee.org/document/8637943/LCC-HVDCVSC-HVDCMMCmulti-terminal dc gridreliability analysisk-out-of-n |
| spellingShingle | Gen Li Jun Liang Tibin Joseph Ting An Jingjing Lu Marcio Szechtman Bjarne R. Andersen Qikai Zhuang Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC Grids IEEE Access LCC-HVDC VSC-HVDC MMC multi-terminal dc grid reliability analysis k-out-of-n |
| title | Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC Grids |
| title_full | Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC Grids |
| title_fullStr | Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC Grids |
| title_full_unstemmed | Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC Grids |
| title_short | Feasibility and Reliability Analysis of LCC DC Grids and LCC/VSC Hybrid DC Grids |
| title_sort | feasibility and reliability analysis of lcc dc grids and lcc vsc hybrid dc grids |
| topic | LCC-HVDC VSC-HVDC MMC multi-terminal dc grid reliability analysis k-out-of-n |
| url | https://ieeexplore.ieee.org/document/8637943/ |
| work_keys_str_mv | AT genli feasibilityandreliabilityanalysisoflccdcgridsandlccvschybriddcgrids AT junliang feasibilityandreliabilityanalysisoflccdcgridsandlccvschybriddcgrids AT tibinjoseph feasibilityandreliabilityanalysisoflccdcgridsandlccvschybriddcgrids AT tingan feasibilityandreliabilityanalysisoflccdcgridsandlccvschybriddcgrids AT jingjinglu feasibilityandreliabilityanalysisoflccdcgridsandlccvschybriddcgrids AT marcioszechtman feasibilityandreliabilityanalysisoflccdcgridsandlccvschybriddcgrids AT bjarnerandersen feasibilityandreliabilityanalysisoflccdcgridsandlccvschybriddcgrids AT qikaizhuang feasibilityandreliabilityanalysisoflccdcgridsandlccvschybriddcgrids |