Aggregation and Optimal Management of TCLs for Frequency and Voltage Control of a Microgrid

Jendoubi, Imen; Sheshyekani, Keyhan; Dagdougui, Hanane

doi:10.1109/tpwrd.2020.3019894

Cited by 24 publications

(8 citation statements)

References 30 publications

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“…where (•) , • are defined as in (21). By collecting common factors, these can be written equivalently as…”

Section: Appendix A: Bslr Factorizationmentioning

confidence: 99%

“…Similarly, [20] proposes a method to enable the maximum frequency response whilst respecting network constraints, although only MV level constraints are considered explicitly. Other works such as [21] consider a combined frequency response and voltage-regulation system for an MV microgrid, but only consider impacts of voltage in the secondary response. In [22], the authors develop an efficient, iterative method for distributed OPF in large distribution networks; similarly, in [23], the authors propose a framework for responding to TSO instructions, including automatic generation controls (AGC).…”

Section: Introductionmentioning

confidence: 99%

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Analysis of Network Impacts of Frequency Containment Provided by Domestic-Scale Devices Using Matrix Factorization

Deakin

Greenwood

Taylor

et al. 2021

IEEE Trans. Power Syst.

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This paper studies the distribution network impacts of frequency containment services derived from domestic-scale devices. Risk metrics considering the likelihood and severity of violations are proposed, given uncertainty in the location of these devices. A novel linearization approach is proposed to enable detailed simulations of large-scale networks, capturing MV-LV coupling in European-style networks of over 100,000 nodes. The approach combines a novel factorization of the power flow Jacobian matrix and an efficient linearization update step. The first of these innovations improves the scalability and practicality of the linearization, reducing the memory and computational requirements by as much as twenty times, whilst the latter reduces the median linearization error by at least 50% in all networks studied. It is demonstrated that rapid voltage change (RVC) and overvoltage constraints could limit the uptake of these devices to just a fraction of one percent of customers if the response is not managed. Sensitivity analysis demonstrates that both the likelihood and severity of constraint violations increases rapidly with the size of the devices used for frequency response.

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“…where (•) , • are defined as in (21). By collecting common factors, these can be written equivalently as…”

Section: Appendix A: Bslr Factorizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analysis of Network Impacts of Frequency Containment Provided by Domestic-Scale Devices Using Matrix Factorization

Deakin

Greenwood

Taylor

et al. 2021

IEEE Trans. Power Syst.

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show abstract

“…The proposed TCLbased PFC scheme in [16] could also cause unwanted frequency disturbances and destabilize the MG by delayed on/off switching of the TCLs. The authors of [18] have also proposed a centralized energy management scheme for the enabling the TCLs to participate in the PFC of an MG. Similar to [16], the proposed central scheme in [18] is not realistic and not applicable for low-inertia networks including islanded MGs since it is centralized and the authors have not considered the time delay of communication links.…”

mentioning

confidence: 99%

“…The authors of [18] have also proposed a centralized energy management scheme for the enabling the TCLs to participate in the PFC of an MG. Similar to [16], the proposed central scheme in [18] is not realistic and not applicable for low-inertia networks including islanded MGs since it is centralized and the authors have not considered the time delay of communication links. In [19], the decentralized coordination of residential fridges is used to take part in the PFC of a large power system.…”

mentioning

confidence: 99%

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A Novel Frequency Control Scheme for Autonomous Microgrid Using Cooperative Application of Supercapacitor-Battery HESS, Photovoltaics, LED Lighting Loads and TCLs

et al. 2021

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The supercapacitor-battery hybrid energy storage system (SBHESS) has been commonly used to reduce the stress of fast power variations on the battery, and hence, prolong its lifetime. However, the utilization of the supercapacitor (SC) significantly increases the cost of energy storage system. Considering the potentials of the photovoltaic systems, the smart LED lighting loads and the thermostatically controlled loads in primary frequency control (PFC), three novel PFC schemes are proposed for each of them. They are enabled to cooperatively participate in the PFC of islanded MG alongside the SBHESS. Their cooperative application alongside the SBHESS decreases the participation share of the SC in the PFC and hence, reduces the size and the cost of the SC and its converter which consequently decreases the SBHESS cost. In this regard, the genetic algorithm is employed to tune the controller coefficients of the PFC schemes and the distributed generators to limit and minimize frequency deviations within an acceptable range, and also minimize the size of SC and its converter. The results show that the proposed cooperative application considerably decreases the size and the cost of the SC and its converter. This is while the SBHESS battery life is still extended the same as the case in which the SBHESS is used alone. As the frequency control results are similar with and without the proposed cooperative application and the imposed cost is much higher in the latter case, the proposed cooperative application increases the cost-effectiveness of the SBHESS.

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Day-ahead scheduling of air-conditioners based on equivalent energy storage model under temperature-set-point control

Yu,

Bao,

Yang

2024

Applied Energy

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Aggregation and Optimal Management of TCLs for Frequency and Voltage Control of a Microgrid

Cited by 24 publications

References 30 publications

Analysis of Network Impacts of Frequency Containment Provided by Domestic-Scale Devices Using Matrix Factorization

Analysis of Network Impacts of Frequency Containment Provided by Domestic-Scale Devices Using Matrix Factorization

A Novel Frequency Control Scheme for Autonomous Microgrid Using Cooperative Application of Supercapacitor-Battery HESS, Photovoltaics, LED Lighting Loads and TCLs

Day-ahead scheduling of air-conditioners based on equivalent energy storage model under temperature-set-point control

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