可調速馬達驅動裝置經常使用於工商業界，作為改善製程控制及節約能源，對於電壓驟降而言，可調速馬達驅動裝置屬於敏感性負載設備，因為在電壓降期間，典型的可調速馬達驅動裝置其直流匯流排之電容器放電，而且直流電壓逐漸減低，導致驅動裝置因為電壓低於設定值而跳脫，設備因而停止運轉。為了解可調速馬達驅動裝置電壓忍受情形，本研究對小型可調速馬達驅動裝置，進行壓降測試，本研究參考IEC 61800-3及IEC 61000-4-11，將可調速馬達驅動裝置受電壓驟降擾動時的響應予以分類，並依所建議之電壓降幅及持續時間進行測試，依據測不同運轉狀況進行測試，而測試結果著重於壓降型態、運轉狀態及可調速馬達驅動裝置設計差異性作比較。

Adjustable-speed drives (ASDs) are often used in commercial and industrial facilities to improve process control and save energy. However, ASDs are the sensitive load equipment as regards to voltage sag. During the sag, the dc-bus capacitor of a typical ASD will discharge depending on the loading condition. The voltage of the dc bus decreases and could lead to a trip of the device. In order to understand the voltage sag tolerance capability of ASDs. Based on IEC 61800-3 and IEC 61000-4-11, this research presents the test results of ASD subjected to voltage sags under different operating conditions. The tests focus on different types of voltage sags, operating situations and designs of ASDs.

中文摘要 I
英文摘要 II
目 錄 III
圖 目 錄 VI
表 目 錄 IX

第一章 緒論 1
1-1 研究背景與動機 1
1-2 國內外對ASD之電壓驟降忍受能力研究概況 3
1-3 論文大綱 5

第二章 電壓驟降及可調速交流馬達驅動裝置介紹 7
2-1 電壓驟降類型及特性 7
2-1-1 電壓驟降的定義 7
2-1-2 電壓驟降的形成原因 10
2-1-3 電壓驟降的類型 12
2-1-4 電壓驟降發生時之相位因素 16
2-2 電壓驟降對高科技用戶的影響 19
2-3 電壓驟降忍受能力測試標準 21
2-3-1 電壓驟降測試標準 21
2-3-2 製程設備忍受能力的標準 22
2-4 電壓驟降對可調速交流馬達驅動裝置之影響 25
2-4-1 可調速馬達驅動裝置特性 25
2-4-2 可調速馬達驅動裝置架構 26
2-4-3 直流匯流排之電容器容量之影響 29
2-4-4 設備對電壓驟降的響應分類 32

第三章 可調速交流馬達驅動裝置電壓驟降忍受能力測試 34
3-1 測試流程及設備簡介 34
3-1-1 測試流程 34
3-1-2 測試設備 36
3-2 電壓降測試種類及各項量測值 41
3-2-1 不同電壓降型態下之測試 42
3-2-2 不同電壓降起始角度下之測試 42
3-2-3 不同轉速控制下之測試 44
3-2-4 不同負載率下之測試 45
3-2-5 不同的直流電壓設定準位下之測試 45
3-2-6 綜合測試 45

第四章 測試結果與討論 48
4-1 驅動裝置的控制系統對電壓驟降響應 48
4-2 不同廠牌驅動裝置對電壓降忍受能力 53
4-2-1 對不同電壓降起始角度壓降情況之忍受能力 54
4-2-2 對不同壓降型態之忍受能力 57
4-3 不同負載情況下驅動裝置對電壓降忍受能力 60
4-3-1 改變低電壓檢出準位 60
4-3-2 不同的負載率運轉情況 63
4-3-3 不同的ASD輸出頻率情況 65
4-4 討論 66

第五章 結論及未來研究方向 68
5-1 結論 68
5-2 未來研究方向 70

參考文獻 71

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