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首页> 外文会议>Conference on Precision Electromagnetic Measurements >An improved partial discharge location method in substations: Error reduction based on Monte-Carlo simulation
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An improved partial discharge location method in substations: Error reduction based on Monte-Carlo simulation

机译：一种改进的变电站局部放电定位方法：基于蒙特卡洛仿真的误差减小

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摘要

Partial discharge location can find insulation defects to avoid insulation deterioration and dielectric breakdown. Most of current PD location is implemented based on TDOA principle and the location accuracy is improved through multiple measurements. In this article, a novel location method is proposed using Monte-Carlo simulation to reduce error of TDOA which only need carry out one measurement. Result shows that located angle of PD source within 1.5 degree error can be achieved when the time difference error bound is less than 3ns by using an array of 4 UHF sensors arranged in the shape of 30m×20m rectangle.
机译：局部放电位置可发现绝缘缺陷，以避免绝缘劣化和介电击穿。当前的PD定位大多数是基于TDOA原理实现的，并且通过多次测量可以提高定位精度。本文提出了一种新颖的定位方法，利用蒙特卡罗模拟方法来减少TDOA的误差，该方法仅需进行一次测量即可。结果表明，当时差误差范围小于3ns时，通过将4个UHF传感器排列成30m×20m矩形排列，可以将PD源的定位角控制在1.5度以内。

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