This paper describes about improvement the power character using nonlinear inductance in SWPGS with AMPTC. Wind power generation system is a one that converts the kinetic energy of the wind into electrical energy. In particular, it is very important to increase the operation efficiency because small wind power systems can be used as an efficient independent power source in areas with large power demand and no other energy sources. The SWPGS with AMPTC consists of a wind turbine, a PM generator, two rectifiers, a battery and a load. The wind turbine is a horizontal axis with three blades and the PM generator has a structure with the reactance bridges and two Y-connected winding sets. This system can automatically track the maximum power from the wind by changing the nonlinear inductance without the need for converters and control circuits. At this time, the variation of the nonlinear inductance follows the saturation characteristic of the reactance bridges in the internal magnetic circuit of the generator. In this paper, using this principle, the problem of fully approaching the maximum power curve of a wind turbine with the power characteristics of a wind power system following the rotational speed change is mathematically modeled. In other words, the output characteristics of SWPGS with AMPTC were close to the concave characteristics as well as the maximum output characteristics of wind turbines. Finally, without control circuit, the load power characteristic curve was allowed to operate at the maximum power point of the wind turbine. We also verified the accuracy of the theory by changing the nonlinear inductance in a stand-alone small-scale wind power system through simulation analysis using MATLAB.
| Published in | American Journal of Electrical Power and Energy Systems (Volume 14, Issue 4) |
| DOI | 10.11648/j.epes.20251404.12 |
| Page(s) | 81-87 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2025. Published by Science Publishing Group |
Double Winding, MPPT, Off-Grid, PM Synchronous Generator, Wind Power, Real Power Character, Nonlinear Inductance, Three-Phase Electrical Equivalent Circuit Model
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APA Style
Kim, M. H., Kim, Y. S., U, H. G. (2025). Power Character Improvement Using Nonlinear Inductance in SWPGS with AMPTC. American Journal of Electrical Power and Energy Systems, 14(4), 81-87. https://doi.org/10.11648/j.epes.20251404.12
ACS Style
Kim, M. H.; Kim, Y. S.; U, H. G. Power Character Improvement Using Nonlinear Inductance in SWPGS with AMPTC. Am. J. Electr. Power Energy Syst. 2025, 14(4), 81-87. doi: 10.11648/j.epes.20251404.12
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Download@article{10.11648/j.epes.20251404.12,
author = {Mun Hui Kim and Yong San Kim and Hyon Guk U},
title = {Power Character Improvement Using Nonlinear Inductance in SWPGS with AMPTC
},
journal = {American Journal of Electrical Power and Energy Systems},
volume = {14},
number = {4},
pages = {81-87},
doi = {10.11648/j.epes.20251404.12},
url = {https://doi.org/10.11648/j.epes.20251404.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.epes.20251404.12},
abstract = {This paper describes about improvement the power character using nonlinear inductance in SWPGS with AMPTC. Wind power generation system is a one that converts the kinetic energy of the wind into electrical energy. In particular, it is very important to increase the operation efficiency because small wind power systems can be used as an efficient independent power source in areas with large power demand and no other energy sources. The SWPGS with AMPTC consists of a wind turbine, a PM generator, two rectifiers, a battery and a load. The wind turbine is a horizontal axis with three blades and the PM generator has a structure with the reactance bridges and two Y-connected winding sets. This system can automatically track the maximum power from the wind by changing the nonlinear inductance without the need for converters and control circuits. At this time, the variation of the nonlinear inductance follows the saturation characteristic of the reactance bridges in the internal magnetic circuit of the generator. In this paper, using this principle, the problem of fully approaching the maximum power curve of a wind turbine with the power characteristics of a wind power system following the rotational speed change is mathematically modeled. In other words, the output characteristics of SWPGS with AMPTC were close to the concave characteristics as well as the maximum output characteristics of wind turbines. Finally, without control circuit, the load power characteristic curve was allowed to operate at the maximum power point of the wind turbine. We also verified the accuracy of the theory by changing the nonlinear inductance in a stand-alone small-scale wind power system through simulation analysis using MATLAB.
},
year = {2025}
}
TY - JOUR T1 - Power Character Improvement Using Nonlinear Inductance in SWPGS with AMPTC AU - Mun Hui Kim AU - Yong San Kim AU - Hyon Guk U Y1 - 2025/09/25 PY - 2025 N1 - https://doi.org/10.11648/j.epes.20251404.12 DO - 10.11648/j.epes.20251404.12 T2 - American Journal of Electrical Power and Energy Systems JF - American Journal of Electrical Power and Energy Systems JO - American Journal of Electrical Power and Energy Systems SP - 81 EP - 87 PB - Science Publishing Group SN - 2326-9200 UR - https://doi.org/10.11648/j.epes.20251404.12 AB - This paper describes about improvement the power character using nonlinear inductance in SWPGS with AMPTC. Wind power generation system is a one that converts the kinetic energy of the wind into electrical energy. In particular, it is very important to increase the operation efficiency because small wind power systems can be used as an efficient independent power source in areas with large power demand and no other energy sources. The SWPGS with AMPTC consists of a wind turbine, a PM generator, two rectifiers, a battery and a load. The wind turbine is a horizontal axis with three blades and the PM generator has a structure with the reactance bridges and two Y-connected winding sets. This system can automatically track the maximum power from the wind by changing the nonlinear inductance without the need for converters and control circuits. At this time, the variation of the nonlinear inductance follows the saturation characteristic of the reactance bridges in the internal magnetic circuit of the generator. In this paper, using this principle, the problem of fully approaching the maximum power curve of a wind turbine with the power characteristics of a wind power system following the rotational speed change is mathematically modeled. In other words, the output characteristics of SWPGS with AMPTC were close to the concave characteristics as well as the maximum output characteristics of wind turbines. Finally, without control circuit, the load power characteristic curve was allowed to operate at the maximum power point of the wind turbine. We also verified the accuracy of the theory by changing the nonlinear inductance in a stand-alone small-scale wind power system through simulation analysis using MATLAB. VL - 14 IS - 4 ER -
Faculty of Electrical Engineering, Kim Chaek University of Technology, Pyongyang, Democratic People’s Republic Korea
Faculty of Electrical Engineering, Kim Chaek University of Technology, Pyongyang, Democratic People’s Republic Korea
Faculty of Electrical Engineering, Kim Chaek University of Technology, Pyongyang, Democratic People’s Republic Korea
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