臺灣博碩士論文加值系統

本論文提出變轉速船舶全電力推進系統，此系統主要由同步發電機、
隔離變壓器、三相橋式整流、變頻器、感應電動機及螺旋槳所組成，
以柴油引擎驅動同步發電機產生電力，再驅動可變速推進電動機及螺槳。
此架構中，以兩組推進電動機驅動螺槳使得船體前進、後退及轉彎，
本論文針對可變速推進電動機做動態的特性分析，包括全壓起動、
軟起動、加速、減速、煞車及緊急逆轉，
以Matlab/Simulink模擬此電機與機械在各種狀態下操作對推進系統動態響應，並評估
推進系統的穩定度及設置保護設備，避免推進系統的不穩定影響電力設備的安全性，
模擬結果及分析可做為日後設計船舶全電力推進系統之主要依據。

The electric speed adjustable cruiser propulsion system is presented in this thesis.
This system consists of synchronous generator, isolation transformer,
three-phase rectifier, motor driver, propulsion motor, and propellers.
In the proposed scheme, the diesel engine drives
generator to produce electric power for two sets of motor which drives propeller to
propel the ship moving forward, backward and turned around.
The dynamic characteristics analysis of the electric motor includes soft
start, forward, reverse, stop and urgent reverse in this thesis.
The dynamic response of
the speed-adjustable propulsion under various dynamic operating conditions
are simulated by using Matlab/Simulink. Furthermore,
in shipboard system the stability and equipments of protection are estimated
avoiding unstable system affected safety of power equipments. Therefore electric motor
and propulsion driver could be chosen in accordance
with the analyzed characteristics and simulation results.

目　　錄
摘要(中文) i
摘要(英文) ii
謝誌 iii
目錄.. iv
圖目錄 ix
表目錄 x

第一章 緒論 1
1.1. 研究動機 1
1.2. 文獻回顧 2
1.3. 內容大綱 4
第二章 全電力推進船舶系統 5
2.1. 傳統與全電力推進系統比較 5
2.2. 全電力推進系統 8
2.3. 同步發電機 9
2.4. 三相變壓器 11
2.4.1. Delta-Delta連接 11
2.4.2. Wye-Wye連接 11
2.4.3. Wye-delta連接及Delta-Wye連接 12
2.5. 變頻器 13
2.5.1. 正弦脈波寬度調變 13
2.5.2. 變週期轉換器(Cyclo-converters) 15
2.6. 推進電動機 16
2.6.1. 交流電動機 16
第三章Matlab/Simulink 模組 17
3.1. 感應電動機 17
3.1.1. 感應電動機的等效電路 17
3.1.2. 感應機數的數學模型 18
3.1.3. Matlab/Simulink 模組 22
3.2. 變頻器 22
3.2.1. 變頻器的等效電路及數學模型 23
3.2.2. Matlab/Simulink 模組 24
3.3. 三相變壓器 25
3.3.1. 三相變壓器的等效電路 25
3.3.2. 三相變壓器的數學模型 26
3.3.3. Matlab/Simulink 模組 29
3.4. 同步發電機 30
3.4.1. 同步發電機的等效電路 30
3.4.2. 同步發電機的數學模型 32
3.4.3. Matlab/Simulink 模組 35
第四章電動機啟動運轉穩態及暫態之衝擊及模擬 37
4.1. 推進電動機運轉及三相變頻器單線故障對電動機之影響模擬 37
4.2. 三相變壓器暫態及穩態之模擬 37
4.3. 同步發電機之模擬 41
4.4 推進電動機軟起動之模擬 41
4.5. 推進電動機加速固定電壓變頻率控制之模擬 46
4.6. 推進電動機加速固定頻率變電壓控制之模擬 49
4.7. 推進電動機減速之模擬 51
4.8. 推進電動機停機之模擬 55
4.9. 推進電動機緊急之模擬 56
4.10. 發電機之穩定性分析 58
第五章結論 66
第六章參考文獻 67

考文獻

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