Multi-area distribution grids optimization using D-FACTS devices by M-PSO algorithm

Zanganeh, Mohsen; Moghaddam, Mahmoud Samiei; Azarfar, Azita; Vahedi, Mojtaba; Salehi, Nasrin

doi:10.1016/j.egyr.2022.11.180

Cited by 2 publications

(1 citation statement)

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“…Network or grid congestion management has been a well-researched topic, with numerous solutions explored, including transmission grid expansion, integration of battery energy storage systems (BESSs) under congestion relief operating strategies, or oversizing RES units, tolerating a degree of energy loss through curtailment [12][13][14][15][16][17][18]. Additionally, other techniques including on-load tap changers, FACTS devices, soft open points and harmonic filtering, are also investigated in terms of improving the hosting capacity of distribution networks, as they are able to provide voltage regulation and unbalance mitigation [19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Export Constraints Applicable to Renewable Generation to Enhance Grid Hosting Capacity

Chatzistylianos,

Psarros,

Papathanassiou

2024

Energies

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This paper investigates grid export constraints applicable to photovoltaic (PV) and wind farm (WF) installations, both with and without behind-the-meter storage, aimed at enhancing grid hosting capacity. The study focuses on static output power limitations, i.e., simple export constraints that are preventively imposed on renewable energy source (RES) plants regardless of the prevailing network congestion conditions. These constraints are easy to apply, implemented ex ante and out of market, and do not require additional investments in energy storage or advanced devices. They also yield a measurable increase in hosting capacity and grid utilization, with their impact on RES plant operation and return of investment straightforwardly calculable. Analysis defines the level and shape of these constraints assuming an indicative acceptable curtailment level of 5% for each RES technology attributed to the preventing action of the imposed limitations, while the respective implications for RES energy yield and investment viability are explored. The findings indicate that an export power limitation of ca. 68% is effective for stand-alone PVs, while a stepwise static limitation is necessary for stand-alone WFs and WFs with integrated storage to manage midday solar generation peaks. PV plants tightly coupled with storage facilities can handle static limitations as low as 35% with minimal impact on the economic feasibility of the investments.

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