Structural optimization of transmission towers using a novel Genetic Algorithm approach with a variable length genome

Khodzhaiev, Marat; Reuter, Uwe

doi:10.1016/j.engstruct.2021.112306

Cited by 22 publications

(6 citation statements)

References 35 publications

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“…Te optimization design process of the Y-type insulator string is shown in Figure 13. In order to reduce the cross arm length of the insulator string, the current project needs to carry out structural optimization design [43][44][45]. Combined with the comparative analysis in Section 4.1, structural optimization design is carried out for the Y-type insulator string.…”

Section: Te Structural Optimization Analysis Of the Y-type Insulator ...mentioning

confidence: 99%

Nonlinear Buckling Analysis and Optimization Design of the Y‐Type Composite Insulator String

Bao¹,

Xia

Chai³

et al. 2022

Advances in Civil Engineering

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Under the action of extreme wind load, the overhead transmission line will lead to the fracture of the traditional V-type insulator string, which greatly affects the safety of the power system. Compared with the V-type insulator string, the Y-type insulator string has better stability under the wind load. Therefore, the overhead lines in the mountainous areas of Anhui Province are taken as the research object, considering the combined effect of wind load and conductor dead weight, and through theoretical derivation, the calculation formula of insulator string wind deflection angle is obtained. Using numerical simulation software, the nonlinear mechanical analysis of Y-type insulator strings is conducted, and under the action of different wind speeds, the windage yaw angle and unloading angle of the Y-type insulator string are obtained. Compared with the calculation results of the V-type insulator string, the stability of the Y-type insulator string in the structure is better than that of the V-type insulator string, and the Y-type insulator string can make full use of the distance between layers and the gap margin of the tower head, reduce the length of the cross arm, and reduce the weight of the tower, which has obvious advantages. Combined with the results of theoretical analysis and numerical simulation, the optimal design method of the Y-type insulator string is given. Under the condition of ensuring the safety and stability of insulators, the distance of the cross arm is shortened as much as possible and the weight of the transmission line tower is reduced. The research results will provide a theoretical reference for engineering design and improvement.

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Section: Te Structural Optimization Analysis Of the Y-type Insulator ...mentioning

confidence: 99%

Nonlinear Buckling Analysis and Optimization Design of the Y‐Type Composite Insulator String

Bao¹,

Xia

Chai³

et al. 2022

Advances in Civil Engineering

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“…The similarity of their configurations has the advantage that the results and experience obtained within the framework of one project can be generalized to other projects [8]. Depending on the chosen design variables, the structural optimization of lattice towers can be of 3 types: dimensional or size, geometric or shape and topological [9]. This type of construction therefore offers a lot of possibilities for optimization.…”

Section: Introductionmentioning

confidence: 99%

“…It emerges from this work that an X-shaped triangulation of the lattices makes it possible to have a lighter but equally resistant structure. In their work on the structural optimization of electric transmission pylons [9], M. Khodzhaiev and U. Reuter used a new genetic algorithm with variable genome length and obtained a 10% reduction in the cost of the pylon by varying independently the number and height of the sections of a 110 kV pylon.…”

Section: Introductionmentioning

confidence: 99%

Design Optimization of a Lattice Tower: Structure and Foundations

Nounangnonhou,

Semassou,

Tossa

et al. 2024

OJAppS

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Produced in power plants, electrical energy is transported to places of consumption via the electricity network. At the heart of this network are the supports that allow electricity to be efficiently transported over long distances, guaranteeing the security and supply of energy to the various centers of use. In the construction of a line, supports occupy an important part in terms of safety and construction cost. It is therefore essential to optimize their use to reduce the cost of transmission lines. This work addresses this problem, which focuses on the optimal utilization of X-lattice towers in the construction of overhead power lines. The challenge is to reconcile the search for optimal cost and respect for the design, resistance and service constraints of the structure. To do this, a parameter having a strong correlation with the weight, foundation and construction cost of the X-lattice tower for 161 kV lines is determined as an important cost variable. This parameter is the wheelbase of the towers. The junction point between the structure and the foundations is obtained by measuring the forces at the base of the tower following the lowering of the loads. These efforts make it possible to size foundations which are of the inverted or isolated sole type. The results obtained reveal that from 8 meters in width, the wheelbase gradually changes until the optimum is obtained at 6.29 meters. With this wheelbase, the production cost is optimal. It clearly emerges from this study that the construction of lattice pylons with a wheelbase of approximately 6.29 meters makes it possible to optimize the cost of construction of 161 kV lines in the Republic of Benin.

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“…An improved genetic algorithm is utilized in Ref. 22 for the optimization design of transmission tower structures, achieving a 10% reduction in tower costs. Modifications to the Jaya algorithm were proposed in Refs.…”

Section: Introductionmentioning

confidence: 99%

A novel lifting point location optimization method of transmission line tower based on improved grey wolf optimizer

Wang,

Ding,

Huang

et al. 2023

Sci Rep

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In the erection process of transmission line tower, the appropriate lifting point position is an important factor in ensuring the stability and balance of the lifting process and preventing deformation and damage to the towers. In this paper, a improved grey wolf optimization algorithm is proposed to solve the issues of low optimization efficiency and easily getting trapped in local minima when optimizing the lifting point position of transmission line towers. The improved algorithm includes the use of a good point-set strategy to enhance the initialization method of grey wolf individuals, ensuring a more uniform distribution of the population and reducing ineffective searches in the early stages of optimization. Furthermore, two random operators are utilized to combine and mutate the optimal grey wolf position, thereby enhancing the algorithm's ability to escape local optima. Finally, the trend information of the optimization process is considered, and the median value of the population is used to improve the stability of the optimization algorithm. Experimental results demonstrate that the proposed algorithm has better optimization performance and faster convergence speed compared to genetic algorithm, particle swarm optimization algorithm, and artificial fish swarm algorithm. It effectively addresses the optimization problem of lifting point position for transmission line towers.

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Structural optimization of transmission towers using a novel Genetic Algorithm approach with a variable length genome

Cited by 22 publications

References 35 publications

Nonlinear Buckling Analysis and Optimization Design of the Y‐Type Composite Insulator String

Nonlinear Buckling Analysis and Optimization Design of the Y‐Type Composite Insulator String

Design Optimization of a Lattice Tower: Structure and Foundations

A novel lifting point location optimization method of transmission line tower based on improved grey wolf optimizer

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