基于ZYNQ 7020的双通道紫外放电检测系统设计
作者:
作者单位:

西安工程大学 电子信息学院

中图分类号:

TN23

基金项目:

1) 陕西省自然科学基础研究计划资助项目(2023-JC-YB-548); 2) 陕西省教育厅科研计划项目(23JK0467); 3) 陕西省科学技术厅科技计划项目(2024JC-YBQN-O678)


Design of Dual Channel UV Discharge Detection System Based on ZYNQ 7020
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    摘要:

    高压电气设备和传输线在电网输电工程中扮演着重要角色,由于各种自然环境和自身工艺、材质缺陷的影响,导致运行过程中绝缘性能不断下降,当自身绝缘介质无法耐受施加的电压时,进而引发局部放电现象。为了对设备的局部放电进行检测,用于评估设备的运行状态。因此,本文研制了一款基于ZYNQ 7020处理器的紫外与可见双通道的高压设备局部放电检测系统。根据所需的功能和标准设计了系统的硬件电路,用于采集双通道图像。并利用图像处理相关算法对紫外图像和可见图像进行预处理,然后实现图像的配准、融合,使成像系统的最终输出结果不仅可以反映设备的放电光斑信息,还可以获悉放电部位的背景信息。同时,考虑到高压设备的放电检测可能涉及到高危环境,也为了进一步提升系统的智能化水平,特设计了4G无线传输功能,并开发了对应的软件系统,使用TCP协议将硬件系统处理后的图像传输到远程的电脑软件中,通过算法提取放电强度特征量的参数信息,软件通过对这些参数的分析,自主衡量放电状态并反馈,实现了局部放电的全流程闭环自主检测。

    Abstract:

    High voltage electrical equipment and transmission lines play an important role in power grid transmission engineering. Due to the influence of various natural environments, their own processes, and material defects, the insulation performance continuously decreases during operation. When the insulation medium cannot withstand the applied voltage, partial discharge phenomena are triggered. In order to detect partial discharge of equipment and evaluate its operating status. Therefore, this article developed a high-voltage equipment partial discharge detection system based on ZYNQ 7020 processor with dual channels of ultraviolet and visible. The hardware circuit of the system was designed according to the required functions and standards for capturing dual channel images. And use image processing algorithms to preprocess ultraviolet and visible images, and then achieve image registration and fusion, so that the final output of the imaging system can not only reflect the discharge spot information of the device,

    参考文献
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  • 收稿日期:2024-11-20
  • 最后修改日期:2024-11-29
  • 录用日期:2024-11-29
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