Experience with primary reserve supplied from energy storage system

Kjar, Philip C.; Larke, Rasmus

doi:10.1109/epe.2015.7311788

Cited by 12 publications

(9 citation statements)

References 1 publication

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Section: Results Of the Technical-economic Analysissupporting

confidence: 55%

“…Outside the dead-band, under-frequency and over-frequency values have a nearly symmetric distribution. The grid frequency Probability Density Function (PDF), reported in Figure 10, shows that almost all the frequency perturbations are within ±50 mHz, according to frequency statistics described in other research works [6,19,26]. An equivalent load is connected to the HV node to represent other users either connected to the same substation or electrically close, e.g., distribution networks supplied by the HV busbar as in [41].…”

Section: Results Of the Technical-economic Analysismentioning

confidence: 64%

“…The role of storage systems in fulfilling multiple grid services is investigated in [16], e.g., with SoC sharing [18]. Operation and charging control of a Li-ion BESS installed in Denmark and providing upward frequency regulation is analysed in [26], whereas an application of 5 MW/5 MWh Li-ion batteries installed in Germany is presented in [14]. Technical and economic opportunities making use of BESSs installed for providing PCR in buildings with photovoltaic (PV) generators are studied in [27].…”

Section: Bess Integration For Supplying Primary Control Reserve (Pcr)mentioning

confidence: 99%

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Integration of Lithium-Ion Battery Storage Systems in Hydroelectric Plants for Supplying Primary Control Reserve

et al. 2017

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Abstract:The ever-growing diffusion of renewables as electrical generation sources is forcing the electrical power system to face new and challenging regulation problems to preserve grid stability. Among these, the primary control reserve is reckoned to be one of the most important issues, since the introduction of generators based on renewable energies and interconnected through static converters, if relieved from the primary reserve contribution, reduces both the system inertia and the available power reserve in case of network events involving frequency perturbations. In this scenario, renewable plants such as hydroelectric run-of-river generators could be required to provide the primary control reserve ancillary service. In this paper, the integration between a multi-unit run-of-river power plant and a lithium-ion based battery storage system is investigated, suitably accounting for the ancillary service characteristics as required by present grid codes. The storage system is studied in terms of maximum economic profitability, taking into account its operating constraints. Dynamic simulations are carried out within the DIgSILENT PowerFactory 2016 software environment in order to analyse the plant response in case of network frequency contingencies, comparing the pure hydroelectric plant with the hybrid one, in which the primary reserve is partially or completely supplied by the storage system. Results confirm that the battery storage system response to frequency perturbations is clearly faster and more accurate during the transient phase compared to a traditional plant, since time delays due to hydraulic and mechanical regulations are overpassed. A case study, based on data from an existing hydropower plant and referring to the Italian context in terms of operational constraints and ancillary service remuneration, is presented.

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Section: Results Of the Technical-economic Analysissupporting

confidence: 55%

Section: Results Of the Technical-economic Analysismentioning

confidence: 64%

Section: Bess Integration For Supplying Primary Control Reserve (Pcr)mentioning

confidence: 99%

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Integration of Lithium-Ion Battery Storage Systems in Hydroelectric Plants for Supplying Primary Control Reserve

et al. 2017

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“…Further on, WT operation is optimal, and support is provided by the other components of the system. With that respect, energy storages systems are considered as a prominent solution [4].…”

Section: Introductionmentioning

confidence: 99%

“…Similar economic analysis of the BESS unit was carried out in [4]. However, the BESS units that were investigated in the aforementioned studies [4,6,[18][19][20][21][22], already had fixed sizes. Optimal sizing of BESS unit is one of the key aspects to consider in wind dominated power systems.…”

Section: Introductionmentioning

confidence: 99%

Battery Storage-Based Frequency Containment Reserves in Large Wind Penetrated Scenarios: A Practical Approach to Sizing

2018

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This paper focuses on the sizing of a battery energy storage system providing frequency containment reserves in a power system with a large wind power penetration level. A three-stage sizing methodology including the different aspect of battery energy storage system performance is proposed. The first stage includes time-domain simulations, investigating battery energy storage system dynamic response and its capability of providing frequency reserves. The second stage involves lifetime investigation. An economic assessment of the battery unit is carried out by performing the last stage. The main outcome of the proposed methodology is to choose the suitable battery energy storage system size for providing frequency containment reserve from augmented wind power plants while fulfilling relevant evaluation criteria imposed for each stage.

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Evaluation of the performance of the state of charge on a Lithium-ion battery energy storage system applied to primary frequency regulation of microgrids

Oliveira

Silva

Nascimento

et al. 2017

2017 Brazilian Power Electronics Conference (COBEP)

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Experience with primary reserve supplied from energy storage system

Cited by 12 publications

References 1 publication

Integration of Lithium-Ion Battery Storage Systems in Hydroelectric Plants for Supplying Primary Control Reserve

Integration of Lithium-Ion Battery Storage Systems in Hydroelectric Plants for Supplying Primary Control Reserve

Battery Storage-Based Frequency Containment Reserves in Large Wind Penetrated Scenarios: A Practical Approach to Sizing

Evaluation of the performance of the state of charge on a Lithium-ion battery energy storage system applied to primary frequency regulation of microgrids

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