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PD Locating Experimental Analysis in Oil Using Ultrasonic Phased Array
Author(s): 
Pages: 2711-2716
Year: Issue:  11
Journal: High Voltage Engineering

Keyword:  油中局部放电超声相控阵多平台测向交叉定位实验研究;
Abstract: 局部放电定位检测是电气设备绝缘机理研究与质量监控的关键项目,是状态维修的重要基础.局部放电的超声阵列定位方法从理论上实现了对传统超声定位方法的有效改进,但在实验研究中往往会遇到由于阵列传感器多阵元耦合性能不一致、多次测向结果不一致以及双平台测向交叉定位原理不合理等导致定位成功率低及定位精度下降的实际问题.为此,提出了3种实用方法与技术对其进行改进和完善;一是采用铅笔芯测试技术进行超声相控阵多阵元的...
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