An Optimal Procedure for Sizing and Siting of DGs and Smart Meters in Active Distribution Networks Considering Loss Reduction

Sattarpour, Tohid; Nazarpour, Daryoush; Golshannavaz, Sajjad; Siano, Pierluigi

doi:10.5370/jeet.2015.10.3.804

Cited by 6 publications

(5 citation statements)

References 28 publications

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“…Afterwards, an initial population is randomly generated and assessed. In this process, the most eligible parents would be more likely to survive and duplicate their genomes to the following generations . This practice is implemented by specific operators, namely, crossover and mutation.…”

Section: Methodsmentioning

confidence: 99%

Long-term integration of ESSs in distribution systems: An approach based on technical and economic objectives

Sattarpour

Talavat

Golshannavaz

2017

Int. Trans. Electr. Energ. Syst.

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Energy storage systems (ESSs) offer a set of unique benefits realizing the smart grid objectives. This paper contributes by establishing an optimal long-term integration of ESSs in these networks aiming at enhancing both the economic and technical metrics. Specifically speaking, the proposed approach deals with the following: (1) maximizing the power losses reduction benefit, (2) minimizing the operational costs, (3) minimizing the energy not supplied index, and (4) maximizing the benefits by upgrade deferral of distribution network. The established model is based on an AC load flow fashion satisfying all the technical and economical constraints. A probabilistic load model is adopted and incorporated in the proposed approach, to yield in a more realistic study. Both the size and the site of ESS installation are determined and assessed in the expansion horizon considering the yearly load growth rates. Two different scenarios are thoroughly assessed. In the first scenario, only 1 ESS unit is embedded in the network, and in the second view, the proposed approach is left to determine both the number and the size of installed ESSs. The numerical studies are conducted on IEEE 33-bus distribution test system within which the genetic algorithm performs as the optimization platform. The obtained results are discussed for economic and technical improvements. KEYWORDSan optimal long-term integration approach, distribution systems, economic and technical objectives, energy storage system (ESS)

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Section: Methodsmentioning

confidence: 99%

Long-term integration of ESSs in distribution systems: An approach based on technical and economic objectives

Sattarpour

Talavat

Golshannavaz

2017

Int. Trans. Electr. Energ. Syst.

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“…Insofar, smart grids would play a great role in the development of smarter world having smart cities, smart homes, smart vehicles, etc. The ultimate requirement is to create systems of objects that are configured automatically and can operate autonomously [51]- [54].…”

Section: Conclusion and Recommendationsmentioning

confidence: 99%

Effectiveness and Comparison of Digital Substations Over Conventional Substations

Waleed¹,

Virk²,

Riaz³

et al. 2019

Adv. sci. technol. eng. syst. j.

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The entire electrical system is changing at an abrupt speed since its beginning. With the rapid advance of renewable energies (which are constantly subject to fluctuations), the electricity generation is distributed to countless locations. The traditional model of the unidirectional flow of electricity is leaning towards multidirectional flows. This situation needs significant changes in the transport infrastructure of the electrical power system and mode of operation. Technological advancements are making a smarter and more organized management system of electricity supply and demand. This development needs to incorporate modern communication, monitoring, and control capabilities, along with the intelligent transport, generation, and storage value chain. Digital substations integrate thousands of sensors by providing greater comfort, self-reliance, availability, and safety while at the same time reducing costs, risks, and environmental damage. Conventional power system lacks digital communication, remote monitoring & control, and consumer participation. Fiber-optic cabling in digital substations will attain not only real-time data transmission but also remote maintenance. The comparison between conventional and digital substations has also been presented in this work along with latest trends in smart protection. Electronic protection and control devices based on a microprocessor, communicating with cloud servers, will enhance the flexibility to control and monitor the digital substations. A significant amount of data generated by components in the electrical substations will allow greater sophistication of the monitoring, diagnostic, protection and optimization capabilities of the facilities. The goal for the review of said advancements is to have a smart electrical system with greater efficiency and better user experience.

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“…Chromosome encoding of GA is the main step of the methodology proposed. In this process, the most suitable parents would be more likely to continue on their genes to following generations and then change their genetic code to the upcoming offspring . The initial population of possible solutions in this paper generates an initial population, decides the number of EVs and locations for parking lots, and then the solutions are assessed in order to optimize the objective function.…”

Section: Mathematical Formulationmentioning

confidence: 99%

Parking lot allocation with maximum economic benefit in a distribution network

Sattarpour

Farsadi

2016

Int. Trans. Electr. Energ. Syst.

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Optimal placement of parking lots with optimal scheduling in power systems to maximize the benefit, considering different peak load states and different electricity prices for each state, is studied in this paper. The effectiveness of the proposed technique is tested on the IEEE 33-bus distribution test system with considering the power system constraints and using genetic algorithm. This algorithm selects the optimal sites and sizes (number of electric vehicles) of these parking lots and shows the optimal results. The results of these simulations with genetic algorithm demonstrate that the economic problem of parking lots placement depends on many items such as number of the electrical vehicles (EVs) in each parking lot (capacity of parking lot), state of charge of EVs, as well as the electricity price in peak/off-peak periods. Moreover, it is suggested that the existence of parking lots, considering adequate incentives for EVs owners, has economic benefit for distribution network operators, reduces total power loss, and can improve the distribution system voltage profile. Also, the number of parking lots to be allocated in a distribution system supports the distribution system at peak load hours because it is more interesting from economic point of view to install more parking lots.

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An Optimal Procedure for Sizing and Siting of DGs and Smart Meters in Active Distribution Networks Considering Loss Reduction

Cited by 6 publications

References 28 publications

Long-term integration of ESSs in distribution systems: An approach based on technical and economic objectives

Long-term integration of ESSs in distribution systems: An approach based on technical and economic objectives

Effectiveness and Comparison of Digital Substations Over Conventional Substations

Parking lot allocation with maximum economic benefit in a distribution network

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