Power Loss Minimization by Voltage Transformer Turns Ratio Selection based on Particle Swarm Optimization

Manusov, Vadim

doi:10.15199/48.2019.08.28

Cited by 4 publications

(5 citation statements)

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“…In practice, it can be estimated to be more consistent and accurate from statistical data, as in the computations in [14,15]. The reactance percentage (%X) can be calculated according to Equation (10); the resistance percentage (%R) can be found in Equation (11); and the impedance percentage (%Z) at the same length of the coil is estimated by Equation (12).…”

Section: Transformer Design Conceptmentioning

confidence: 99%

“…When the oil temperature is stable, it reduces the current to the rated current of the transformer for 1 h, then cuts off the current to the coil and measures the resistance of the primary and secondary windings against time. The results of resistance to time were plotted with time in order to find the resistance at the point of the cutting current (Ω), then calculate the average temperature of the windings according to Equations ( 15) and ( 16), the results of which are shown in Figures 11 and 12 [15]. measured and recorded each hour.…”

Section: Temperature Rise Testmentioning

confidence: 99%

“…Thus, in the manufacture of distribution transformers, it was possible to use a value of the number of secondary coils at 38** turns. Moreover, the transformer efficiency could be calculated from Equation (15) with the percentage load at 25%, 50%, 75% and 100% under the conditions of power factor (pf) at 0.8 and 1.0, as in Figure 9.…”

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confidence: 99%

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The Characterization Analysis of the Oil-Immersed Transformers Obtained by Area Elimination Method Design

Thungsuk

Mungkung²,

Tanaram

et al. 2022

Applied Sciences

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This study used the Area Elimination Method (AEM) of transformer design with transformer characteristic simulation. The multidimensional variable of physical parameters such as magnetic density, current density, voltage and coil turn was performed. This method was used in designing the 8000 kVA 22,000–3300/1905 V oil-type large distribution transformer. The result from a design found that the objective function tries to reduce the material to be used, and less core steel, less conductors, less transformer oil or less transformer tanks may cause an increasing load loss or increasing temperature rise, but we have calculated the temperature in the winding and design the radiator fins at the same time. After designing the transformer with AEM and it being manufactured in the production process, the transformer was tested according to IEC standards. It was confirmed that the power loss tests with no load yielded lower power loss than the standard value. In addition, the transformer passed the satisfaction test and the results of this design were built and tested with IEC 60076 standards. The information from the design using the Area Elimination Method could be a guarantee of standardized accuracy for oil distribution transformers. This also saves time and increases design efficiency for transformer designers.

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Section: Transformer Design Conceptmentioning

confidence: 99%

Section: Temperature Rise Testmentioning

confidence: 99%

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The Characterization Analysis of the Oil-Immersed Transformers Obtained by Area Elimination Method Design

Thungsuk

Mungkung²,

Tanaram

et al. 2022

Applied Sciences

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show abstract

“…Most of the above mentioned works provide for the optimization of modes of electrical networks on reactive power or voltage of power plants and reactive power compensators [5][6][7]12]. At the same time, it is possible to separate a number of works, in particular, [8][9][10][11], which have made a significant contribution to the development of the theory of optimization on transformation coefficients of transformers.…”

Section: Introductionmentioning

confidence: 99%

“…Evaluation of effectiveness of using this interesting algorithm for optimization of modes of complex-closed electrical networks, from our point of view, may encounter difficulties in taking into account functional constraints in the form of inequalities in the calculation process. In [9], an algorithm for choosing the optimal control taps of transformers based on the by particle swarm optimization method is given. However, according to the materials presented in it, the procedure for taking into account various simple and functional constraints in the form of inequalities in the optimization process remains unclear.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Electrical Networks Modes on Transformation Coefficients of Transformers

2020

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Optimization of modes of electrical networks provides for the determination of rational values of reactive powers of controlled sources, voltages of reference nodes and transformation coefficients of adjustable loop transformers, at which the minimum costs associated with the production, transmission and distribution of electricity are ensured and all the specified operating and technological constraints are met. As a result of a lot of work performed by specialists from all over the world on the development of methods and algorithms for optimization the modes of electrical networks, at present, the methods for optimization of reactive powers and voltages of nodes are quite developed. At the same time, the algorithms for optimization of transformation coefficients of transformers, taking into account the provision of permissible voltage levels and minimum energy losses in closed electric networks by ensuring the optimal distribution of power flows in them, requires corresponding improvement. In this regard, this work proposes a new algorithm for optimization of modes of electrical networks on transformation coefficients of adjustable loop transformers. The results of researched the effectiveness of the proposed algorithm are presented.

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Taking into account functional restrictions in the form of inequalities when optimizing the modes of electric power systems under conditions of partial uncertainty of the initial information

Latipov,

Talipova,

Karimov

et al. 2024

Iii International Scientific and Technical Conference “Actual Issues of Power Supply Systems” (Icaipss2023)

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Power Loss Minimization by Voltage Transformer Turns Ratio Selection based on Particle Swarm Optimization

Cited by 4 publications

References 0 publications

The Characterization Analysis of the Oil-Immersed Transformers Obtained by Area Elimination Method Design

The Characterization Analysis of the Oil-Immersed Transformers Obtained by Area Elimination Method Design

Optimization of Electrical Networks Modes on Transformation Coefficients of Transformers

Taking into account functional restrictions in the form of inequalities when optimizing the modes of electric power systems under conditions of partial uncertainty of the initial information

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