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Simulation and Test of a Contactless Voltage Measurement Method for Overhead Lines Based on Reconstruction of Integral Node Parameters

机译：基于积分节点参数重构的架空线非接触电压测量方法的仿真与测试

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摘要

To improve the stability and adaptability of the voltage measurement based on the E-field (electric field) integral method, in this paper we introduce a new method for the contactless voltage measurement of the overhead lines. The method adopts the node parameter reconstruction technology, which is based on the Gauss–Chebyshev algorithm. In order to achieve high-quality E-field detection at the reconstructed node position, we designed a novel D-dot sensor with parallel distributed electrodes. A Maxwell simulation model of multi-level voltages of the overhead lines was carried out to determine a comprehensive criterion of the reconstruction factors. The simulation employed a three-phase overhead line experiment platform to calculate and measure the distribution and the changing trend of the E-field. The deviations of the voltage measurement were reduced at a significantly low level within 0.4%. The result of the simulation demonstrates that the method optimizes sensor distribution by reconstructing node parameters, which enables the system to have high accuracy and reliability on the contactless voltage measurement of the overhead lines.
机译：为了提高基于电场（电场）积分法的电压测量的稳定性和适应性，本文介绍了一种架空线非接触电压测量的新方法。该方法采用基于Gauss-Chebyshev算法的节点参数重构技术。为了在重建的节点位置上实现高质量的电场检测，我们设计了一种具有平行分布电极的新型D点传感器。建立了架空线多级电压的麦克斯韦仿真模型，以确定重构因子的综合判据。仿真中采用了三相架空线实验平台来计算和测量电场的分布和变化趋势。电压测量值的偏差在0.4％以内的较低水平上减小了。仿真结果表明，该方法通过重构节点参数优化了传感器的分布，使系统在架空线的非接触电压测量上具有较高的精度和可靠性。

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