Estimation of the total current harmonic distortion using an ELF magnetometer
Authors/Creators
- 1. Universidad de Almeria
- 2. Universidad de Almería
Description
The conventional operation of the grid and electrical devices can be disturbed by harmonics, so standards impose strict limits on harmonic current. The entire grid is essential for today’s society, but electromagnetic fields are radiated at their fundamental frequency and harmonics. This paper investigates a methodology to estimate the total current harmonic distortion of the grid by analyzing the magnetic flux density obtained from an extremely low-frequency magnetometer in the 0–2.2 kHz range. A Fast Fourier transform algorithm was applied to determine the magnetic flux density in the frequency domain. By evaluating the ratio of the fundamental component of the magnetic flux density to the harmonics, its total harmonic distortion rate could be deduced. Finally, the data were compared with measurements obtained by two power quality analyzers.
Abstract
he conventional operation of the grid and electrical devices can be disturbed by harmonics, so standards impose strict limits on harmonic current. The entire grid is essential for today’s society, but electromagnetic fields are radiated at their fundamental frequency and harmonics. This paper investigates a methodology to estimate the total current harmonic distortion of the grid by analyzing the magnetic flux density obtained from an extremely low-frequency magnetometer in the 0–2.2 kHz range. A Fast Fourier transform algorithm was applied to determine the magnetic flux density in the frequency domain. By evaluating the ratio of the fundamental component of the magnetic flux density to the harmonics, its total harmonic distortion rate could be deduced. Finally, the data were compared with measurements obtained by two power quality analyzers.
Files
2024 ESTIMATION OF THE TOTAL CURRENT HARMONIC DISTORTION USING AN ELF MAGNETOMETER (1).pdf
Files
(8.1 MB)
| Name | Size | Download all |
|---|---|---|
|
md5:5a5419800d0b69e37508daeca1cc4fc9
|
8.1 MB | Preview Download |
Additional details
Identifiers
- ISSN
- 0924-4247
- DOI
- 10.1016/j.sna.2024.115255.
Related works
- Is original form of
- Journal article: 10.1016/j.sna.2024.115255. (DOI)
References
- Portillo, Francisco, et al. "Estimation of the total current harmonic distortion using an ELF magnetometer." Sensors and Actuators A: Physical (2024), vol. 371,: 115255.