本文選題：混合勵(lì)磁同步電機(jī) + 轉(zhuǎn)子磁分路��； 參考：《南京航空航天大學(xué)》2015年碩士論文

【摘要】：轉(zhuǎn)子磁分路混合勵(lì)磁同步電機(jī)(Hybrid Excitation Synchronous machine,HESM)是在切向磁鋼永磁同步電機(jī)基礎(chǔ)上發(fā)展的一類(lèi)新型混合勵(lì)磁電機(jī),具備功率密度高和氣隙磁場(chǎng)可調(diào)的優(yōu)點(diǎn)。勵(lì)磁電流的引入使得HESM相比永磁同步電機(jī)增加了勵(lì)磁損耗環(huán)節(jié),同時(shí)也使HESM的效率優(yōu)化控制增加了一個(gè)可控變量,特別是在高速弱磁控制區(qū),勵(lì)磁電流弱磁可顯著減小直軸去磁電流消耗,有利于提升系統(tǒng)效率。本文重點(diǎn)研究轉(zhuǎn)子磁分路HESM的效率優(yōu)化控制方法。根據(jù)轉(zhuǎn)子磁分路HESM的結(jié)構(gòu)特征和運(yùn)行原理,在定轉(zhuǎn)子坐標(biāo)系下建立了HESM的數(shù)學(xué)模型和損耗模型。對(duì)轉(zhuǎn)子磁分路HESM驅(qū)動(dòng)系統(tǒng)和電流控制技術(shù)進(jìn)行了深入的研究,提出了HESM驅(qū)動(dòng)系統(tǒng)效率優(yōu)化控制策略。該策略基于傳統(tǒng)矢量控制,根據(jù)電機(jī)運(yùn)行特點(diǎn)和實(shí)際運(yùn)行條件,針對(duì)電機(jī)不同的運(yùn)行狀況合理分配勵(lì)磁電流和電樞電流,在滿(mǎn)足電機(jī)運(yùn)行要求的基礎(chǔ)上提高驅(qū)動(dòng)系統(tǒng)效率。在Matlab/simulink中建立了轉(zhuǎn)子磁分路HESM的驅(qū)動(dòng)系統(tǒng)仿真模型,對(duì)轉(zhuǎn)子磁分路HESM的基本特性和所提出的電流控制策略進(jìn)行了仿真分析,驗(yàn)證了仿真模型與控制策略的正確性。構(gòu)建了100k W轉(zhuǎn)子磁分路HESM驅(qū)動(dòng)系統(tǒng)實(shí)驗(yàn)平臺(tái),進(jìn)行了全面而深入的研究。實(shí)驗(yàn)內(nèi)容包括勵(lì)磁電流對(duì)起動(dòng)性能和空載損耗的影響,以及勵(lì)磁電流和電樞電流對(duì)電機(jī)運(yùn)行特性和系統(tǒng)效率的影響。通過(guò)驅(qū)動(dòng)調(diào)速實(shí)驗(yàn),實(shí)施電流協(xié)調(diào)控制策略。結(jié)果表明,該策略提升了電機(jī)在不同工況下的穩(wěn)定性及動(dòng)態(tài)性能;實(shí)現(xiàn)了電機(jī)驅(qū)動(dòng)系統(tǒng)運(yùn)行效率的提升;拓寬了電機(jī)的恒功率運(yùn)行范圍,其恒功率運(yùn)行范圍達(dá)到1:3.5以上,驗(yàn)證了電流協(xié)調(diào)策略在轉(zhuǎn)子磁分路HESM驅(qū)動(dòng)系統(tǒng)中應(yīng)用的可行性。
[Abstract]:The rotor magnetic shunt hybrid excitation synchronous motor (Hybrid Excitation Synchronous machine, HESM) is a new type of hybrid excitation motor developed on the basis of permanent magnet synchronous motor of tangential magnetic steel. It has the advantages of high power density and adjustable air gap magnetic field. The introduction of excitation current makes HESM increase the excitation loss ring of the permanent magnet synchronous motor. At the same time, a controllable variable is added to the efficiency optimization control of HESM, especially in the high speed and weak magnetic field. The excitation current weakening can significantly reduce the direct current depletion and improve the efficiency of the system. This paper focuses on the efficiency optimization control method of the rotor magnetic shunt HESM. Based on the structure characteristics of the rotor magnetic shunt HESM and the structure characteristics of the rotor magnetic shunt circuit Operating principle, the mathematical model and loss model of HESM are established in the fixed rotor coordinate system. The rotor magnetic shunt HESM drive system and current control technology are deeply studied. The efficiency optimization control strategy of the HESM drive system is proposed. The strategy is based on the traditional vector control, which is based on the running characteristics and actual operating conditions of the motor. The excitation current and armature current are allocated reasonably in different operating conditions of the motor, and the efficiency of the driving system is improved on the basis of meeting the requirements of the motor. The simulation model of the drive system of the rotor magnetic shunt HESM is established in Matlab/simulink, and the basic characteristics of the rotor magnetic shunt HESM and the proposed current control strategy are simulated and analyzed. The correctness of the simulation model and control strategy is verified. The experimental platform of the 100k W rotor magnetic shunt HESM drive system is constructed. The effect of the excitation current on the starting performance and the no-load loss, as well as the effect of the excitation current and armature current on the performance of the motor and the efficiency of the system are investigated. The results show that the strategy improves the stability and dynamic performance of the motor under different working conditions. It has improved the stability and dynamic performance of the motor under different working conditions, and realized the improvement of the operating efficiency of the motor drive system, widened the constant power range of the motor, and the constant power operation range of the motor reached more than 1:3.5, and the current coordination strategy was verified to be transferred. The feasibility of the application of the sub magnetic shunt HESM drive system.
【學(xué)位授予單位】：南京航空航天大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：TM341

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