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Development of Harmonic Voltage Emission Limits Calculation in MV Distribution System
- Author(s)
- LUTHFI MUHAMMAD
- Advisor
- Jaesung Jung
- Department
- 일반대학원 에너지시스템학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2023-08
- Language
- eng
- Keyword
- Harmonics Distortion; Power Quality; Power System
- Alternative Abstract
- The power system has undergone significant transformations in recent years, including the rise in renewable energy-based power generation. However, the use of nonlinear switching components like semiconductors has led to an increase in harmonic distortion, which has become a concern for power system engineers. Compliance with the IEC 61000-3-6 and IEEE 519 standards can help mitigate this issue. Nevertheless, the accuracy of the methods used to calculate harmonic distortion emission limits is a concern in many countries. <br>To address this concern, this thesis proposes a new method for calculating harmonic distortion emissions, which can be implemented in complex network topologies such as radial, multi-feeder with a spur, and weakly meshed. The proposed method utilizes the topological characteristics of distribution systems, which can accurately calculate harmonic distortion emissions without many assumptions. <br>Then, a comparison was conducted between the proposed method and the IEC 61000-3-6 and IEEE 519 standards to examine their accuracy in determining Harmonic Current Emission Limits (HCEL). The study findings indicate that the proposed method is viable and practical, and it can complement the IEC 61000-3-6 standard. Furthermore, the proposed method can provide accurate results in complex network topologies, which were not covered by the existing standards. <br>In summary, the proposed method offers a practical solution to the problem of inaccurate calculation methods for harmonic distortion emission limits. The study findings indicate that the proposed method can accurately calculate harmonic distortion emissions, and it can be implemented in complex network topologies. The proposed method can complement the existing standards and strengthen the efforts to manage harmonic distortion in power systems.
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Energy Systems > 3. Theses(Master)
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