Optimum Design of Substation Grounding Grid Based on Grid Balancing Parameters Using Genetic Algorithm

Taher, Ahmed A.; Said, Abdelrahman; Eliyan, Tamer; Hafez, Abdelsalam

doi:10.1109/mepcon.2018.8635109

Cited by 4 publications

(4 citation statements)

References 16 publications

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“…where ρ is the soil resistivity in [Ω.m], ε is the permittivity of soil in [F/m], and R is the ground resistance calculated using (1).…”

Section: Modeling Methods Of Grounding Systemsmentioning

confidence: 99%

“…where R, C, and L are obtained by (1) to (3) in the circuit model approach, r' is the electrical resistance of the per-unit length electrode (in Ω), ρc is the electrical resistivity of the electrode (in Ω.m), and a is the electrode radius (in metre). TL models are regarded as the least accurate among all four models.…”

Section: Modeling Methods Of Grounding Systemsmentioning

confidence: 99%

“…Electrical grounding systems are important in creating a safe environment for human operators and equipment under fault or transient conditions. Electrical installation must be grounded for the following reasons [1]- [8]:…”

Section: Introductionmentioning

confidence: 99%

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Review of Substation Grounding System Behavior Under High Frequency and Transient Faults in Uniform Soil

et al. 2020

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Substations are important parts of electric power systems, and they require well-designed grounding systems. A proper grounding system guarantees the safety of the personnel working in an environment surrounded by grounded equipment from possible electric shock, protects the equipment against unnecessary breakdowns, and conserves the stability of the entire electrical system throughout its operation. Grounding systems developed under power frequency conditions generally react differently under high frequency and transient conditions, such as switching transients and lightning strikes. This work reviews the modeling methods for substation grounding systems and their performance when grounding design parameters change under high frequency and transient fault conditions.

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“…where ρ is the soil resistivity in [Ω.m], ε is the permittivity of soil in [F/m], and R is the ground resistance calculated using (1).…”

Section: Modeling Methods Of Grounding Systemsmentioning

confidence: 99%

Section: Modeling Methods Of Grounding Systemsmentioning

confidence: 99%

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Review of Substation Grounding System Behavior Under High Frequency and Transient Faults in Uniform Soil

et al. 2020

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“…Therefore, it cannot be easily solved using traditional mathematical methods. In contrast, intelligent optimization algorithms such as the genetic algorithm (GA) [27,28] and particle swarm optimization (PSO) [29] are more flexible in application and have stronger global search ability, but their solving speed is slow, which cannot meet the requirements of the automatic generation control (AGC) online control of large-scale regional power grids. Therefore, in this paper, we propose the use of the dingo optimization algorithm (DOA) to solve the problem [30].…”

Section: Introductionmentioning

confidence: 99%

A Frequency Support Approach for Hybrid Energy Systems Considering Energy Storage

Zhou

Chen³

et al. 2023

Energies

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In hybrid energy systems, the intermittent and fluctuating nature of new energy sources poses major challenges for the regulation and control of power systems. To mitigate these challenges, energy storage devices have gained attention for their ability to rapidly charge and discharge. Collaborating with wind power (WP), energy storage (ES) can participate in the frequency control of regional power grids. This approach has garnered extensive interest from scholars worldwide. This paper proposes a two-region load frequency control model that accounts for thermal power, hydropower, ES, and WP. To address complex, nonlinear optimization problems, the dingo optimization algorithm (DOA) is employed to quickly obtain optimal power dispatching commands under different power disturbances. The DOA algorithm’s effectiveness is verified through the simulation of the two-region model. Furthermore, to further validate the proposed method’s optimization effect, the DOA algorithm’s optimization results are compared with those of the genetic algorithm (GA) and proportion method (PROP). Simulation results show that the optimization effect of DOA is more significant than the other methods.

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Analysis and Mitigation of Ground Grid Lightning Potential Rise

Taher

Said

Eliyan

et al. 2020

Trans. Electr. Electron. Mater.

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Optimum Design of Substation Grounding Grid Based on Grid Balancing Parameters Using Genetic Algorithm

Cited by 4 publications

References 16 publications

Review of Substation Grounding System Behavior Under High Frequency and Transient Faults in Uniform Soil

Review of Substation Grounding System Behavior Under High Frequency and Transient Faults in Uniform Soil

A Frequency Support Approach for Hybrid Energy Systems Considering Energy Storage

Analysis and Mitigation of Ground Grid Lightning Potential Rise

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