A LV network overvoltage mitigation strategy based on epsilon-decomposition

Ali, M. M. Viyathukattuva Mohamed; Paterakis, Nikolaos G.; Nguyen, Phuong H.; Cobben, J.F.G.

doi:10.1109/ptc.2017.7981197

Cited by 5 publications

(3 citation statements)

References 9 publications

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“…This link, accordingly, will be disconnected from the graph and a series of sub-graphs will be identified. By mapping this decomposed graph to the original network, the decomposition of a network is attained with mutual coupling among sub-network not greater than a given ε value [31]. A different series of decomposed sub-systems can be generated by varying ε value as it decides the sub-system size [30].…”

Section: ε-Decomposition Techniquementioning

confidence: 99%

Adaptive coordination of sequential droop control for PV inverters to mitigate voltage rise in PV-Rich LV distribution networks

Mai

Haque

Vergara

et al. 2021

Electric Power Systems Research

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DOI to the publisher's website.• The final author version and the galley proof are versions of the publication after peer review.• The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal.If the publication is distributed under the terms of Article 25fa of the Dutch Copyright Act, indicated by the "Taverne" license above, please follow below link for the End User Agreement:

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Section: ε-Decomposition Techniquementioning

confidence: 99%

Adaptive coordination of sequential droop control for PV inverters to mitigate voltage rise in PV-Rich LV distribution networks

Mai

Haque

Vergara

et al. 2021

Electric Power Systems Research

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“…These devices can provide flexibility in energy generation/consumption 7‐9 . To address the challenges and to exploit the flexibility of the active loads, the distribution system will require advance control capabilities 10‐12 …”

Section: Introductionmentioning

confidence: 99%

Demonstration of communication‐basedthree‐layer‐controlarchitecture for providing network services to distribution system operators

Ali

Nijhuis²,

Chakravarthy

et al. 2020

Int Trans Electr Energ Syst

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Summary As power generation is shifting from centralised towards distributed, the function of the distribution network is changing. With the introduction of active loads and controllable inverters, new possibilities for controlling the distribution network arise. By providing network support services, the hosting capacity of the low voltage‐network can, for instance, be increased. To be able to provide these services, coordination and control of these smart devices is vital, however, challenges with the communication architecture still exist. Therefore, a new architecture has to be defined which can handle many different kinds of smart devices and is capable of meeting the communication requirements of legacy devices and different actors. To this extent, a three‐layer‐control architecture is proposed. This architecture separates the physical assets from the communication infrastructure and the services offered by smart devices. To demonstrate the applicability as well as the benefits of such an architecture in real life, a field trial has been performed. Through the separation of the three layers, limitations of the physical devices are addressed by algorithmic changes in the communication layer. The field trial shows the possibility of unlocking the new control options in the distribution network with legacy systems.

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“…As the share of solar PV systems increases, the coincidence factor of solar power generation and electrical proximity (connected to the same distribution transformer) of rooftop solar system will lead to network operational challenges. The challenges vary from overvoltage, cable overloading, unbalance and harmonics [6]- [13].…”

Section: Introductionmentioning

confidence: 99%

Relation between Solar PV Power Generation, Inverter Rating and THD

Ali¹,

Amudha²,

M³

et al. 2019

IJEAT

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The increasing threat of global warming call for the policy chances that increase the share of renewable energy-based generation including the integration of solar PV generation in the distribution networks. However, the distribution networks are designed and operated for centralised power generation and unidirectional power flow. The integration of solar PV systems leads to distributed power generation and bidirectional power flow, which results in operation challenges, such as power quality problems. These problems required to be quantified to develop appropriate solutions. Therefore, in this paper, a power quality auditing is conducted for a 50 kVA solar PV power plant and the resultant observations are presented in this paper. The study is conducted for two types of days, which are: (i) weekend day; (ii) weekday. The former type of day has relatively lower demand compared to the later type day. A number of observations are made and they are presented in this paper. Few important observations and conclusions are presented in this paper. The relation among the power generation, harmonics and inverters rating are observed and presented. Moreover, the quantification of voltage dips is also presented in this paper.

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A LV network overvoltage mitigation strategy based on epsilon-decomposition

Cited by 5 publications

References 9 publications

Adaptive coordination of sequential droop control for PV inverters to mitigate voltage rise in PV-Rich LV distribution networks

Adaptive coordination of sequential droop control for PV inverters to mitigate voltage rise in PV-Rich LV distribution networks

Demonstration of communication‐basedthree‐layer‐controlarchitecture for providing network services to distribution system operators

Relation between Solar PV Power Generation, Inverter Rating and THD

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