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A New Approach for ...
A New Approach for Benefit Evaluation of Multiterminal VSC-HVDC Using A Proposed Mixed AC/DC Optimal Power Flow
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- Wang, Feng (författare)
- Chalmers University of Technology, Sweden
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- Le Tuan, Ahn (författare)
- Chalmers University of Technology, Sweden
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- Bertling-Tjernberg, Lina (författare)
- Chalmers University of Technology, Sweden
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- Mannikoff, Anders (författare)
- RISE,SP – Sveriges Tekniska Forskningsinstitut
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- Bergman, Anders (författare)
- RISE,Elektricitet
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(creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2014
- 2014
- Engelska.
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Ingår i: IEEE Transactions on Power Delivery. - : Institute of Electrical and Electronics Engineers (IEEE). - 0885-8977 .- 1937-4208. ; 29:1, s. 432-443
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- In this paper, an extended optimal power-flow (OPF) model incorporating a detailed model of a voltage-source converter-based–multiterminal high-voltage direct current system (VSC–MTDC) is proposed, hereafter referred to as the mixed ac/dc OPF (M-OPF) model. A cost-benefit analysis approach using the M-OPF model as the calculation engine is proposed to determine the preferred VSC-MTDC alternative to be installed in an existing ac transmission system. In this approach, the operational benefits of VSC–MTDC systems are evaluated against their investment costs to derive the benefit-to-cost ratios (BCR) which reflect the cost-effectiveness of the alternatives. A case study has been carried out using a modified Nordic 32-bus system. The results of the study show that VSC–MTDC systems might lead to a reduction in total operation cost, and the reduction of the total system transmission loss depends to a large extent on the VSC–MTDC configuration. The results from sensitivity analyses show that if the VSC loss could be reduced to a third of the original level, the total benefit from the system would be increased by about 70%. A suggestion for the placement and configuration of a VSC–MTDC system is made based on calculated BCRs.
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