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首页> 外文会议>2018 IEEE 2nd International Conference on Dielectrics >Development of a programmable partial discharge generator for the evaluation of partial discharge measuring devices
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Development of a programmable partial discharge generator for the evaluation of partial discharge measuring devices

机译：开发用于评估局部放电测量设备的可编程局部放电发生器

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摘要

Partial discharges (PD) measurement provide valuable information for assessing the condition of the insulation elements in high voltage (HV) electrical grids. During the last three decades, several instruments integrated with specific technical functionalities have been developed in order to perform accurate diagnostics when temporary or monitoring measurements are carried out on-site and on-line. Some electrical utilities, maintenance companies and large electricity consumers have defined technical specifications trying to select the most appropriate PD measuring systems, but in general, no tests are performed to check their capability to perform appropriate and accurate diagnostics. Furthermore, no standard exists to define what type of evaluation should be required to assess the efficacy of this type of instrumentation. In this paper, a reference PD generator developed for the evaluation of the functional features of PD measuring and diagnostic instruments is presented. This PD generator enables the characterization of the technical functionalities of commercial PD instruments in a controlled and homogenous way and without the requirement of apply HV in a test facility. Reference analogue PD time series with superimposed electrical noise time sequences are generated simulating real acquisitions of on-line PD measurements.
机译：局部放电（PD）测量为评估高压（HV）电网中绝缘元件的状况提供了有价值的信息。在过去的三十年中，已经开发了几种集成了特定技术功能的仪器，以便在现场和在线进行临时或监视测量时执行准确的诊断。一些电力公司，维护公司和大型用电者已经定义了技术规格，试图选择最合适的PD测量系统，但是通常，不执行任何测试来检查其执行适当和准确诊断的能力。此外，尚无标准来定义评估此类仪器的功效应要求哪种类型的评估。本文介绍了用于评估PD测量和诊断仪器功能特性的参考PD发生器。该PD发生器能够以受控且均匀的方式表征商用PD仪器的技术功能，而无需在测试设备中使用HV。生成带有叠加电噪声时间序列的参考模拟PD时间序列，以模拟在线PD测量的实际采集。

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