【摘要】：船舶軸帶系統(tǒng)可以利用船舶主機(jī)功率儲(chǔ)備裕量,提高船舶能效,對節(jié)能減排、降低船舶運(yùn)營成本有重要意義。由于雙饋電機(jī)便于變速恒頻運(yùn)行,可實(shí)現(xiàn)獨(dú)立的有功、無功調(diào)節(jié),具有深度進(jìn)相運(yùn)行能力,且易于穩(wěn)定運(yùn)行,具備四象限運(yùn)行特性,所需變流器容量較小(電機(jī)轉(zhuǎn)差功率),隨著電力電子技術(shù)和電機(jī)控制技術(shù)的發(fā)展,將雙饋電機(jī)引進(jìn)軸帶系統(tǒng)有現(xiàn)實(shí)意義�？刂齐p饋電機(jī)轉(zhuǎn)子交流勵(lì)磁的變速恒頻裝置是雙饋軸帶系統(tǒng)的關(guān)鍵設(shè)備,國內(nèi)理論相關(guān)研究較多,但工程應(yīng)用較少。本文歸納對比了不同的船舶軸帶方案,總結(jié)國內(nèi)外發(fā)展現(xiàn)狀及研究趨勢,選取雙饋軸帶變速恒頻裝置作為研究對象開展工作。首先建立了雙饋電機(jī)數(shù)學(xué)模型,分析雙饋電機(jī)運(yùn)行原理;采用雙PWM變流器變速恒頻裝置為雙饋電機(jī)提供交流勵(lì)磁,建立雙PWM變流器數(shù)學(xué)模型;在Simulink中搭建了雙饋軸帶仿真系統(tǒng),開展了不同工況下的仿真研究,驗(yàn)證了數(shù)學(xué)模型和控制方法的正確性;詳細(xì)分析了雙饋軸帶系統(tǒng)變速恒頻裝置的主電路和控制器需求,設(shè)計(jì)并開發(fā)了變速恒頻裝置主回路和控制器,編制DSP控制軟件;最后搭建了小功率雙饋軸帶系統(tǒng)變速恒頻裝置試驗(yàn)系統(tǒng),在不同工況下進(jìn)行運(yùn)行試驗(yàn),試驗(yàn)結(jié)果表明,變速恒頻裝置可以控制軸帶雙饋電機(jī)進(jìn)行變速恒頻發(fā)電運(yùn)行和有功無功解耦控制,實(shí)現(xiàn)了設(shè)計(jì)功能。本文的研究成果可推廣應(yīng)用于船舶軸帶發(fā)電系統(tǒng)中,具有較大的推廣價(jià)值。
[Abstract]:The ship axle belt system can make use of the reserve margin of the main engine power of the ship to improve the energy efficiency of the ship. It is of great significance for energy saving and emission reduction and reducing the operation cost of the ship. Because the doubly-fed machine is easy to operate at variable speed and constant frequency, it can realize independent active power, reactive power regulation, deep forward phase operation ability, easy to operate stably, has four quadrant operation characteristic, and the required converter capacity is small (motor slip power). With the development of power electronics and motor control technology, it is of practical significance to introduce doubly fed machine into shaft belt system. Variable speed constant frequency (VSCF) device, which controls AC excitation of doubly fed machine rotor, is the key equipment of doubly fed shaft belt system. There are more theoretical studies in China, but few engineering applications. This paper summarizes and compares different schemes of ship shafts, summarizes the development status and research trends at home and abroad, and selects the doubly fed shaft belt variable speed constant frequency device as the research object to carry out the research. Firstly, the mathematical model of doubly-fed machine is established, and the operation principle of doubly-fed machine is analyzed. The dual-PWM converter is used to provide AC excitation for doubly-fed machine, and the mathematical model of double-PWM converter is established. The simulation system of doubly-fed shaft belt is built in Simulink, and the simulation research under different working conditions is carried out to verify the correctness of mathematical model and control method. The main circuit and controller requirements of variable speed constant frequency (VSCF) device in doubly fed shaft belt system are analyzed in detail. The main circuit and controller of VSCF are designed and developed, and the DSP control software is programmed. Finally, the test system of low power doubly fed shaft belt system with variable speed constant frequency (VSCF) is built, and the running test under different working conditions is carried out. The test results show that: The variable speed constant frequency (VSCF) device can control the operation of VSCF generation and the decoupling control of active power and reactive power with doubly fed shaft. The design function is realized. The research results in this paper can be applied to marine shaft-belt power generation system, and have great value in popularization.
【學(xué)位授予單位】：中國艦船研究院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：U664;U665.1

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本文編號：2439842