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研究生: 吳柏緯
Bo-Wei Wu
論文名稱: 局部放電診斷平台之研製
An Implementation of Partial Discharge Diagnosis Platform
指導教授: 張建國
Chien-Kuo Chang
口試委員: 張建國
Chien-Kuo Chang
吳瑞南
Ruei-Nan Wu
楊念哲
Nian-Zhe Yang
謝宗煌
Zong-Huang Sie
學位類別: 碩士
Master
系所名稱: 電資學院 - 電機工程系
Department of Electrical Engineering
論文出版年: 2023
畢業學年度: 111
語文別: 中文
論文頁數: 78
中文關鍵詞: 局部放電局部放電診斷平台非關聯式資料庫網頁伺服器卷積神經網路
外文關鍵詞: partial discharge diagnosis platform
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局部放電(Partial Discharge, PD)是檢測電力設備絕緣狀態的指標之一,如何有效蒐集資料與即時分析為辨識成功與否之關鍵。因此本文提出一個基於局部放電的電力設備診斷平台,特點為增加實驗數據的格式一致化及操作上的便利性。進而建立一套可依循擴展的架構的介面,也有助於後續的維護與創新。
本文選用Flask輕量級網頁框架作為網頁伺服器,其具有基礎的WSGI(Web Server Gateway Interface)功能,負責用戶與後端程式之間的溝通。並使用MongoDB作為本平台之資料庫,能儲存非結構化的資料,相較於傳統SQL資料庫,使用上更為靈活。
本平台使用Python之開源環境進行開發,使用MATLAB Production Server整合MATLAB端的功能並與Python建立連結,利用Flask建立網頁伺服器,讓使用者可於不同設備登入此平台進行操作。透過將量測數據格式與深度學習參數標準化,使資料庫同時儲存不同地點之設備的放電數據,配合深度學習之辨識功能可達到即時辨識的效果。
本文展示一個使用已開發的卷積神經網路(Convolutional Neural Networks, CNN)與本平台整合的案例,使用已設計好的模型架構與資料蒐集流程,簡化複雜的訓練過程,提供易於操作的測試環境。利用設定即時辨識之功能,使用多種訓練模型進行即時的局部放電絕緣瑕疵辨識與絕緣狀態診斷,可將進入危險期之電力設備提早更換,避免發生非預期的電力事故。


Partial Discharge (PD) is one of the indicators to detect the insulation status of power equipment. How to effectively collect data and analyze in real time is the key to the success of the detection. Therefore, this paper proposes a power equipment diagnosis platform based on partial discharge, which is characterized by increasing the consistency of the format of the experimental data and the convenience of operation. Furthermore, the establishment of a set of interfaces that can follow the extended architecture is also helpful for subsequent maintenance and innovation.
This paper chooses the Flask lightweight web framework as the web server, which has the basic WSGI (Web Server Gateway Interface) function and is responsible for the communication between the user and the back-end program. And use MongoDB as the database of this platform, which can store unstructured data. Compared with the traditional SQL database, it is more flexible in use.
This platform uses the open source environment of Python for development, uses MATLAB Production Server to integrate the functions of MATLAB and establish a link with Python, and uses Flask to build a web server, so that users can log in to the platform on different devices to operate. By standardizing the measurement data format and deep learning parameters, the database can store the discharge data of equipment in different locations at the same time, and the effect of real-time analysis can be achieved with online operation.
This paper shows a case of integrating the developed Convolutional Neural Networks (CNN) with this platform, using the designed model structure and data collection process to simplify the complex training process and provide an easy-to-operate test environment. By using the function of setting real-time identification and using various training models for real-time partial discharge insulation defect identification and insulation state diagnosis, When the electric power equipment entering the dangerous period, replace equipment early to avoid unexpected electrical accidents.

目錄 致謝 I 摘要 II ABSTRACT III 目錄 V 圖目錄 VIII 表目錄 X 名詞索引 XI 第一章 緒論 1 1.1 研究背景與動機 1 1.2 研究目的與方法 2 1.3 文獻探討與貢獻 3 1.4 章節概述 4 第二章 研究背景 5 2.1 局部放電原理與量測 5 2.1.1 局部放電原理 5 2.1.2 局部放電量測 7 2.1.3 局部放電之相位分析 8 2.2 直線接頭瑕疵製作 11 2.3 卷積神經網路 12 2.3.1 卷積神經網路架構 12 2.3.2 使用卷積神經網路進行瑕疵辨識與壽命診斷 13 2.4 FLASK輕量級網頁框架與WEB伺服器閘道介面 14 2.5 MATLAB生產伺服器 16 2.6 MONGODB文件資料庫 17 第三章 局部放電診斷平台設計 19 3.1 系統架構設計 19 3.2 資料檢視 22 3.3 訓練及測試 25 3.3.1 訓練資料挑選 25 3.3.2 訓練進行 27 3.3.3 模型檢視 28 3.3.4 模型測試 29 3.4 即時辨識 31 3.5 資料庫設計 36 3.5.1 量測數據 36 3.5.2 深度學習 39 3.5.3 即時辨識 41 3.5.4 伺服器狀態 44 第四章 系統測試與實驗結果 45 4.1 區域電網之線上局部放電分析 45 4.2 多樣本即時資料測試 48 4.3 自適應性深度學習測試與分析 51 第五章 結論與未來展望 57 5.1 結論 57 5.2 未來展望 57 參考文獻 59 作者簡介 62 附錄 64

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全文公開日期 2028/07/17 (國家圖書館:臺灣博碩士論文系統)
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