| Issue |
MATEC Web of Conferences
Volume 59, 2016
2016 International Conference on Frontiers of Sensors Technologies (ICFST 2016)
|
|
|---|---|---|
| Article Number | 01010 | |
| Number of page(s) | 6 | |
| Section | Electronic engineering and sensing technology | |
| DOI | https://doi.org/10.1051/matecconf/20165901010 | |
| Published online | 24 May 2016 | |
Research on Proximity Magnetic Field Influence in Measuring Error of Active Electronic Current Transformers
1 Electric Power Research Institute, Jiangsu Electric Power Company, Nanjing 211103, China
2 Key Laboratory of Electric Energy Metering, State Grid Corporation, Nanjing 210019, China
3 School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
The principles of the active electronic current transformer (ECT) are introduced, and the mechanism of how a proximity magnetic field can influence the measuring of errors is analyzed from the perspective of the sensor section of the ECT. The impacts on active ECTs created by three-phase proximity magnetic field with invariable distance and variable distance are simulated and analyzed. The theory and simulated analysis indicate that the active ECTs are sensitive to proximity magnetic field under certain conditions. According to simulated analysis, a product structural design and the location of transformers at substation sites are suggested for manufacturers and administration of power supply, respectively.
© Owned by the authors, published by EDP Sciences, 2016
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