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Cable Current Detection With Passive RF Sensing Tags
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DOI：10.1109/TIE.2021.3051590.png)
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摘要
En 中文
Cable current detection plays a vital role in power grids toward improving transmission efficiency, relieving power congestion, and ensuring grid reliability. However, the sensors in existing current detection systems either are wired with measurement instruments or are wireless yet require batteries, which is inconvenient for monitoring overhead powerlines. Inspired by RF sensing tags, which are widely used for applications such as temperature and humidity measurements, in this article, we propose a distinctive cable current detection system that can avoid the constraint of wires and batteries. By detecting the ambient magnetic field produced by ac current flowing through a cable, the proposed system realizes a minimal measurement range of 5-17.5 A at 50/60 Hz with a maximum wireless distance of 5.2 m. This prototype can detect cable current with an extendable measurement range, providing a promising strategy for passive and wireless current detection.
Keyword:
Sensors
Magnetic sensors
Magnetic fields
Radio frequency
Conductors
Wireless sensor networks
Wireless communication
Battery free
current detection
magnetic sensor
radio frequency identification (RFID)
radio frequency (RF) sensing tags
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7.2
论文数:
1.8W
被引数:
9.8W
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