全向磁共振扩展器设计用于水下无线充电系统
Xiaoyang Tian1, Wei Liu2, K T Chau3
1Duke University, Durham, NC, USA.
概括
本研究介绍了一种使用LCC-S-S电路和磁共振扩展器的新型水下无线电力传输 (WPT) 系统. 该系统实现了稳定,高效的远程电力传输,尽管在水下条件和错位方面存在挑战.
科学领域:
- 电气工程 电气工程
- 海洋工程 海洋工程
- 无线电力传输是无线电力传输.
背景情况:
- 远程水下无线电力传输 (WPT) 面临的挑战包括信号衰减和输出波动由于不稳定的水环境.
- 传统的WPT系统在动态的水下条件下难以保持效率和稳定性.
研究的目的:
- 开发一种新的水下WPT系统,其共振范围扩大,效率更高,输出稳定.
- 克服现有系统在传输距离,效率和环境适应性方面的局限性.
主要方法:
- 采用LCC-S-S补偿电路,提供稳定的主电流和更好的故障容忍度.
- 设计了一种便携式全向磁共振扩展器,配备了互补的三线圈WPT系统.
- 进行理论分析,电路模拟,有限元分析 (FEA) 和实验验证.
主要成果:
- 在不稳定的水下环境中,LCC-S-S电路提高了故障耐受性.
- 磁共振扩展器成功地延长了传输距离,并提高了系统效率.
- 该系统在不同的水流条件下保持恒定的负载电流大小和相位.
- 实验结果证实,在横向和角度偏差 (-90°到+90°) 的情况下,传输效率高.
结论:
- 拟议的水下WPT系统为远程,稳定和高效的电力传输提供了强大的解决方案.
- 这种新的设计有效地解决了死区和环境不稳定性的问题,并显示出高容错性.
- 这项技术对水下环境中的各种工业应用具有重大前景.
相关概念视频
Magnetic Field Due To A Thin Straight Wire
4.6K
Consider an infinitely long straight wire carrying a current I. The magnetic field at point P at a distance a from the origin can be calculated using the Biot-Savart law.
4.6K
Magnetic Field Due to Two Straight Wires
2.3K
Consider two parallel straight wires carrying a current of 10 A and 20 A in the same direction and separated by a distance of 20 cm. Calculate the magnetic field at a point "P2", midway between the wires. Also, evaluate the magnetic field when the direction of the current is reversed in the second wire.
2.3K
Energy Stored In A Coaxial Cable
1.3K
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
1.3K
Charging Conductors By Induction
7.5K
The Earth is a good conductor of electricity, and it is so big that it can be considered an infinite source or sink of charges. It can easily exchange charges with any matter.
Generally, conductors like metals do not allow any excess charge to be present on them. Any excess charge added to metals easily flows away, for example, when a metal is placed on the Earth. This process is called earthing.
However, conductors can be charged by a process called induction. For example, consider charging a...
Generally, conductors like metals do not allow any excess charge to be present on them. Any excess charge added to metals easily flows away, for example, when a metal is placed on the Earth. This process is called earthing.
However, conductors can be charged by a process called induction. For example, consider charging a...
7.5K
Design Example: Underdamped Parallel RLC Circuit
210
Consider designing an oscillator circuit, a crucial component in various electronic devices and systems. The objective is to create an oscillator circuit with specific characteristics: a damped natural frequency of 4 kHz and a damping factor of 4 radians per second. To accomplish this, a parallel RLC circuit is employed, known for its ability to sustain oscillations at a resonant frequency. In this case, the damping factor is pivotal in achieving the desired performance.
Starting with a fixed...
Starting with a fixed...
210
Magnetic Field Of A Current Loop
4.2K
Consider a circular loop with a radius a, that carries a current I. The magnetic field due to the current at an arbitrary point P along the axis of the loop can be calculated using the Biot-Savart law.
4.2K


