在海上风电场传播环境中运行的VHF系统的无线电频道建模
Krzysztof Bronk1, Patryk Koncicki1, Adam Lipka1
1National Institute of Telecommunications, 04-894 Warsaw, Poland.
Sensors (Basel, Switzerland)
|September 9, 2023
概括
这项研究模拟了风电场中的无线电频道传播,提出了一个新的VHF模型. 模拟显示风力轮机对VHF系统产生影响,这对海洋和边境保护无线电通信至关重要.
科学领域:
- 电气工程 电气工程
- 无线电传播 无线电传播
- 可再生能源系统可再生能源系统
背景情况:
- 风力发电场越来越重要,特别是在海上,需要了解它们对无线电系统的影响.
- 现有的风电场对非常高频 (VHF) 系统影响的数学模型缺乏.
- 高频频谱对于海洋管理和边境保护至关重要,容易受到风力轮机的干扰.
研究的目的:
- 分析ITU-R BT.1893-1模型在风电场环境中的VHF和超高频 (UHF) 频段的适用性.
- 开发一种专门用于风电场传播的新型VHF无线电频道模型.
- 模拟和评估风力轮机对VHF无线电系统的影响.
主要方法:
- 对VHF/UHF频段的ITU-R BT.1893-1模型进行分析.
- 开展测量活动,收集风电场中的无线电频道数据.
- 开发拟议的VHF无线电频道模型的软件实现.
- 使用开发的模型进行详细的模拟分析.
主要成果:
- 国际电联-R BT.1893-1模型证明了在风电场环境中的VHF和UHF频段的适用性.
- 一个新的风电场传播的VHF无线电频道模型已经成功开发出来.
- 模拟量化风力轮机对VHF系统的影响,包括干扰和无线电遮阳.
结论:
- 开发的VHF无线电频道模型为分析风电场影响提供了宝贵的工具.
- 了解这些影响对于确保基本的VHF通信系统的可靠性至关重要.
- 这项研究解决了风电场对VHF无线电的影响建模的关键差距,这对海事和安全应用尤为重要.
相关概念视频
Propagation Speed of Electromagnetic Waves
3.4K
Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
3.4K
Wind Turbine Machine Models
164
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
164
Standing Electromagnetic Waves
1.6K
Electromagnetic waves can be reflected; the surface of a conductor or a dielectric can act as a reflector. As electric and magnetic fields obey the superposition principle, so do electromagnetic waves. The superposition of an incident wave and a reflected electromagnetic wave produces a standing wave analogous to the standing waves created on a stretched string.
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...
1.6K
Propagation of Waves
2.4K
When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
2.4K
Transmission Line Design Considerations
164
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
164
Electromagnetic Waves
8.6K
James Clerk Maxwell formulated a single theory combining all the electric and magnetic effects scientists knew during that time, calling the phenomena his theory predicted “Electromagnetic waves”. He brought together all the work that had been done by brilliant physicists such as Oersted, Coulomb, Gauss, and Faraday and added his own insights to develop the overarching theory of electromagnetism. Maxwell’s equations, combined with the Lorentz force law, encompass all the laws...
8.6K


