本文選題：軸帶電機(jī)　切入點(diǎn)：永磁同步電機(jī)　出處：《哈爾濱工業(yè)大學(xué)》2015年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：定槳距船舶軸帶電機(jī)系統(tǒng)在船舶航行過(guò)程中,既可作為電動(dòng)機(jī)為船舶提供推進(jìn)動(dòng)力,也可作為發(fā)電機(jī)為船舶電網(wǎng)供電。本文研究基于四象限變流器驅(qū)動(dòng)的永磁同步電機(jī)雙閉環(huán)矢量控制系統(tǒng),實(shí)現(xiàn)能量的雙向流動(dòng),達(dá)到一機(jī)多用的目的。首先,分析船舶軸帶電機(jī)控制系統(tǒng)的拓?fù)浣Y(jié)構(gòu),建立永磁同步電機(jī)的數(shù)學(xué)模型,研究變流裝置驅(qū)動(dòng)船用軸帶電機(jī)的雙閉環(huán)矢量控制方法,提出定向解耦控制策略,確定PWM整流器和永磁同步電機(jī)一體化控制算法。然后,研究船舶軸帶電機(jī)在發(fā)電狀態(tài)下的無(wú)功功率補(bǔ)償方法,以單位功率因數(shù)并網(wǎng)為目的,利用瞬時(shí)無(wú)功功率檢測(cè)方法,對(duì)并網(wǎng)瞬時(shí)電流進(jìn)行實(shí)時(shí)跟蹤控制。根據(jù)無(wú)功發(fā)生器SVG的工作特性,提出多種無(wú)功功率補(bǔ)償控制策略。最后,針對(duì)雙閉環(huán)船舶軸帶電機(jī)控制系統(tǒng),建立雙閉環(huán)矢量控制系統(tǒng)和無(wú)功功率發(fā)生器SVG的Matlab仿真模型。結(jié)果表明,在直流母線電壓恒定的情況下,雙閉環(huán)矢量控制系統(tǒng)能夠?qū)崿F(xiàn)船舶軸帶電機(jī)的能量雙向流動(dòng),具有發(fā)電和電動(dòng)雙重功能。經(jīng)過(guò)無(wú)功發(fā)生器進(jìn)行無(wú)功補(bǔ)償?shù)碾娔艿墓β室驍?shù)有著明顯改善,并網(wǎng)后對(duì)電網(wǎng)污染顯著下降。
[Abstract]:The shaft belt motor system of a ship with fixed propeller pitch can be used as a motor to provide propulsion power to the ship during the course of the ship's navigation. The double closed loop vector control system of permanent magnet synchronous motor based on four-quadrant converter is studied in this paper, which realizes the two-way flow of energy and achieves the purpose of multi-purpose. The topology of marine shaft belt motor control system is analyzed, the mathematical model of permanent magnet synchronous motor is established, the dual closed loop vector control method of marine shaft belt motor driven by variable current device is studied, and the directional decoupling control strategy is put forward. The integrated control algorithm of PWM rectifier and permanent magnet synchronous motor (PMSM) is determined. Then, the reactive power compensation method of ship shaft belt motor under the condition of generating power is studied, and the instantaneous reactive power detection method is used to connect the unit power factor to the grid. According to the working characteristics of the reactive power generator (SVG), a variety of reactive power compensation control strategies are proposed. Finally, for the double closed loop ship shaft belt motor control system, The Matlab simulation model of double closed loop vector control system and reactive power generator (SVG) is established. The results show that the double closed loop vector control system can realize the bidirectional energy flow of ship shaft belt motor under the condition of constant DC bus voltage. The power factor of reactive power compensated by reactive power generator has been improved obviously, and the pollution to the power network has been decreased significantly after being connected to the grid.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：U665.11

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本文編號(hào)：1594647