Values and impacts of incorporating local flexibility services in transmission expansion planning

Alvarez, Erik F.; Olmos, Luis; Ramos, Andrés; Antoniadou-Plytaria, Kyriaki; Steen, David; Tuấn, Lê Anh

doi:10.1016/j.epsr.2022.108480

Cited by 8 publications

(7 citation statements)

References 19 publications

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“…The controllability and efficiency of fault current limiters reported in [21] were improved using series-type FACTS devices in [22]. The second stream of research, however, focuses on boosting different flexibility requirements in the transmission grids regardless of fault conditions [23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39].…”

Section: Literature Review and Research Gapsmentioning

confidence: 99%

“…The maximum admissible number of installable PL-HTS cables in the right-of-way (u,v) and all rights-of-way are managed by constraints (34) and (35), respectively. Constraints (36) and (37) also ensure the same for the FCL-HTS cables. The fourth group, relationships (38)- (39), corresponds to the financial constraints [23].…”

Section: Mathematical Model Of the Proposed Multistage Ac Tep Problemmentioning

confidence: 99%

“…The controllability and efficiency of fault current limiters reported in [21] were improved using series‐type FACTS devices in [22]. The second stream of research, however, focuses on boosting different flexibility requirements in the transmission grids regardless of fault conditions [23–39]. In [23], the DG unit commitment strategy was considered together with transmission switching actions to enhance supply‐demand‐related flexibility using a decomposition algorithm.…”

Section: Introductionmentioning

confidence: 99%

“…The authors of [35] improved the supply‐demand‐related flexibility by incorporating the unit commitment characteristics of coal‐fired and gas‐fired generation units into the TEP problem via a column‐and‐constraint generation algorithm. The impact of local supply‐demand‐related flexibility services was evaluated on the TEP problem in [36] and [37] using a GUROBI solver and a column‐and‐constraint generation algorithm, respectively. In another study [38], a collaborative optimization method was developed to enhance supply‐demand‐related flexibility under high penetration of renewable DGs.…”

Section: Introductionmentioning

confidence: 99%

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Multistage AC transmission expansion planning including fault current‐limiting high‐temperature superconducting cables and multiple distributed generations to improve short‐circuit level and grid‐scale flexibility

Shivaie,

Artis,

Padmanaban

2024

IET Generation Trans & Dist

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This paper proposes a new multistage AC model for transmission expansion planning that finds an optimal combination of transmission lines, fault current‐limiting high‐temperature superconducting cables, and multiple distributed generations (DGs). On this basis, the proposed model, from a new perspective, allows for simultaneous improvement of the short‐circuit level and grid‐scale flexibility (GFLX) under both normal and fault conditions. The objective function to be minimized includes not only the net present worth of the total investment and operation costs but also the congestion‐induced GFLX degradation measure. This model also takes the AC power balance and flow relationships, equipment capacity limits, nodal voltage bounds, DG penetration level limit, as well as discrete logical and financial restrictions together into account with the short‐circuit level constraint. To overcome the complexity of solving the resultant non‐convex mixed‐integer non‐linear optimization problem, a multi‐objective integer‐coded melody search algorithm is employed, followed by a fuzzy satisfying decision‐making mechanism to obtain the final optimal solution. The exhaustive case studies conducted on the IEEE 24‐ and 118‐bus test systems verify the efficacy of the newly developed model in terms of cost‐effectiveness, flexibility, and short‐circuit level suppression when facing different normal and fault conditions.

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Section: Literature Review and Research Gapsmentioning

confidence: 99%

Section: Mathematical Model Of the Proposed Multistage Ac Tep Problemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Multistage AC transmission expansion planning including fault current‐limiting high‐temperature superconducting cables and multiple distributed generations to improve short‐circuit level and grid‐scale flexibility

Shivaie,

Artis,

Padmanaban

2024

IET Generation Trans & Dist

View full text Add to dashboard Cite

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“…In general, flexibility is defined as the ability to adjust the generation/consumption pattern according to an external signal for facilitating services [3]. Transmission System Operators (TSOs) can use flexibility for system balancing and planning [4], while for other stakeholders, such as DSOs, local congestion management and voltage support are more commonly addressed issues [5][6].…”

Section: Introductionmentioning

confidence: 99%

Flexibility Service Design for Mitigating Voltage Unbalance in the Distribution Network

Fan,

Kockar

2023

2023 IEEE Belgrade PowerTech

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It is expected that unbalanced voltages will increase in future distribution systems as the level of singlephase distributed energy resources (DERs) rises significantly, and this paper presents a methodology to address such problems. The approach is based on a three-phase optimal power flow (OPF) method seeking to mitigate the voltage unbalance factor (VUF) by using demand-side flexibility provided by DERs. A novel flexibility service proposed here allows Distribution System Operators (DSOs) to mitigate VUF through local flexibility resources. Considering the differences in preferences among DSOs, we compare and analyze three different flexibility service design options to provide a reference for DSOs to develop their strategies. The proposed convex relaxation model was tested using an IEEE network and the results showed that various flexibility service schemes could lead to differences in the allocation of flexibility resources and hence changes in the system state. Furthermore, it was found that the activation of flexibility resources might further increase the unbalance of the system if the voltage unbalance constraint was ignored.

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Application of Intelligent Optimization Algorithm for Power Grid Planning Based on Artificial Intelligence

Wang,

Zheng,

Xia

2023

2023 IEEE World Conference on Applied Intelligence and Computing (AIC)

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Values and impacts of incorporating local flexibility services in transmission expansion planning

Cited by 8 publications

References 19 publications

Multistage AC transmission expansion planning including fault current‐limiting high‐temperature superconducting cables and multiple distributed generations to improve short‐circuit level and grid‐scale flexibility

Multistage AC transmission expansion planning including fault current‐limiting high‐temperature superconducting cables and multiple distributed generations to improve short‐circuit level and grid‐scale flexibility

Flexibility Service Design for Mitigating Voltage Unbalance in the Distribution Network

Application of Intelligent Optimization Algorithm for Power Grid Planning Based on Artificial Intelligence

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