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Current Reconstruction of Bundle Conductors Based on Tunneling Magnetoresistive Sensors

机译：基于隧穿磁阻传感器的束状导体电流重构

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摘要

The current monitoring of bundle conductors is essential for precisely locating operation failures in transmission lines, leading to a more stable and reliable power grid. This paper proposed a novel method for current reconstruction of bundle conductors, utilizing tunneling magnetoresistive (TMR) sensors. Both the normal and abnormal situations are discussed. The optimal and sub-optimal measurement points for sensors were obtained for concise current measurement with only one uniaxial TMR sensor. The current each bundle conductor was calculated separately based on the comprehensive algorithm. Validation experiment indicated the error of the measurement and calculation system was no more than 10%, proving the robustness and feasibility of the measurement system and the algorithm. The reconstruction process takes full advantages of TMR sensors and provides a promising solution for transmission line monitoring in power grid.
机译：束导体的电流监视对于精确定位传输线中的操作故障至关重要，这将导致更稳定，更可靠的电网。本文提出了一种利用隧道磁阻（TMR）传感器重建束状导体电流的新方法。讨论了正常情况和异常情况。仅使用一个单轴TMR传感器即可获得用于简洁电流测量的传感器的最佳和次优测量点。根据综合算法分别计算出每个束导体的电流。验证实验表明，该测量与计算系统的误差不超过10％，证明了该测量系统和算法的鲁棒性和可行性。重建过程充分利用了TMR传感器的优势，并为电网传输线监控提供了有希望的解决方案。

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