Modelling Market-Driven Operation of Future Distribution Systems

Saifutdinov, Timur; Patsios, Charalampos; Greenwood, David; Pudjianto, Danny; Štrbac, Goran; Peker, Meltem; Sarantakos, Ilias

doi:10.36227/techrxiv.21310248.v1

Cited by 1 publication

(3 citation statements)

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“…Flexible energy consumption and generation are represented via bids and offers at the LEM, which were informed from realistic demand and supply modelling in [30]. The particular bids and offers considered in the case study are illustrated with orange and blue curves in Fig.…”

Section: B Lem Bids and Offersmentioning

confidence: 99%

“…Supply for the DSO contracted flexibility service was informed from realistic flexibility supply modelling in [30]. The particular flexibility offers considered in the case study are provided with the purple curve in Fig.…”

Section: Contracted Flexibility Offersmentioning

confidence: 99%

“…In the case of increased LEM liquidity, the DSO could even avoid procuring contracted flexibility service, which would make it obsolete. Furthermore, in our previous work we showed how the DSO could manage dispatch of distributed generation participating at the LEM using price signals (i.e., distribution use of system charges) for congestion management [30]. Given the above observations, it can be concluded that for economic operation and sustainable development of distribution systems the DSO could focus on enhancing own network flexibility using active network technologies (e.g., SOP) and establishing attractive and flexible LEMs using the proposed mechanism instead of procuring contracted flexibility services, which is currently seen as a solution to ubiquitous electrification [1].…”

Section: B the Value Of The Lem Flexibility Mechanism Coordination Fr...mentioning

confidence: 99%

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Coordinating local flexibility in distribution systems supported by active network technologies

Saifutdinov,

Sarantakos,

Alahyari

et al. 2023

Preprint

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<p>In this paper, we develop an economic mechanism for the DSO to exploit the flexibility of the LEM and integrate it into the techno-economic framework for coordinated procurement of DF supported by the novel active network technologies, in this case SOPs. The LEM flexibility mechanism independently clears the LEM, while respecting the network constraints and optimizing network operation cost by leveraging it with the social welfare of the LEM participants. The coordinated procurement framework is based on the bi-level programming approach, where the lower level ensures unconditional clearing of the LEM bids and offers, while the upper level minimizes network operational cost, subject to network constraints and DF originating from all three types of flexibility (i.e., network, contracted, and LEM). Both, the mechanism and the framework can be applied by the DSO to ensure secure and economic network operation while facilitating LEM clearing in the independent manner. In the numerical study, the framework has been applied to IEEE 33-bus benchmark system, where we investigate the performance of the coordination method proposed, evaluate the value of the LEM flexibility mechanism to the DSO, and the value of the novel active network technology (i.e., SOP). Using realistic flexibility demand and supply data, the numerical study showed that the optimal utilization of network and LEM flexibilities can lead to the DSO contracted flexibility service to become unnecessary. While the estimated value of coordinated procurement of the LEM and DSO contracted flexibilities accounts for 26.6% of the network operation cost, technology supported procurement of the LEM flexibility only can reduce the original network operation cost almost twice (by 48.9%).</p>

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Section: B Lem Bids and Offersmentioning

confidence: 99%

Section: Contracted Flexibility Offersmentioning

confidence: 99%

Section: B the Value Of The Lem Flexibility Mechanism Coordination Fr...mentioning

confidence: 99%

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