Metrology & Measurement Technology, Volume. 45, Issue 2, 95(2025)
High⁃voltage cable suspension differential mutual inductance non⁃contact displacement detection system
Fig. 2. Differential mutual inductance non⁃contact displacement detection system
Fig. 4. Comparison of waveforms before and after using shielded wire
Fig. 9. Calibration results of suspension displacement monitoring system
Table 1.
arameters of the transmitting coil and receiving coil View tableView in ArticleTable 1.
arameters of the transmitting coil and receiving coil 线圈类型 形状 外径 /
mm
内径 /
mm
宽度 /
mm
匝数
N
发射线圈 环形 320 280 90 103 接收线圈 弧形 330 220 65 27
Table 2.
Results of suspension displacement monitoring system View tableView in ArticleTable 2.
Results of suspension displacement monitoring system 位移 / mm 拟合曲线 非线性 / % 灵敏度 /
（mV / mm）
± 30 u0 = 35.93x + 425 ± 2.51 35.93 ± 50 u1 = 26.58x + 330 ± 7.15 26.58 ± 80 u2 = 20.01x + 209 ± 6.95 20.01
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Guoqing LIU, Yuhuan SONG, Jiaqi JIANG, Ziqiang ZHANG, Jintian XU, Miaomiao XU. High⁃voltage cable suspension differential mutual inductance non⁃contact displacement detection system[J]. Metrology & Measurement Technology, 2025, 45(2): 95
Category: Sensor Technology
Received: Nov. 29, 2024
Accepted: --
Published Online: Sep. 4, 2025
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