【作者】 严静妮；

【导师】 窦满峰；

【作者基本信息】 西北工业大学 ， 电机与电器， 2006， 硕士

【摘要】 本文所开展的研究属国家“863”计划中“高速高效防爆稀土永磁电机研究”项目的部分内容。论文紧紧围绕高速高效增安型防爆稀土永磁同步电动机的设计,对高速(两极)稀土永磁同步电动机的转子结构、电磁场和增安型电机的关键防爆参数t_E时间等方面进行了深入的研究,在此基础上完成了一台两极增安型稀土永磁同步电动机的设计、起动性能仿真和性能测试试验等。 本文的主要研究成果及创新点如下: 1、对稀土永磁同步电动机的转子结构进行了深入系统地探讨,针对两极转子的特点,提出一种新的两极转子结构,并运用Ansys软件对其做了静态电磁场的仿真,结果表明这种结构漏磁小、磁路分布好。 2、结合瓦片形磁钢在稀土永磁直流电机上的应用,对影响电机可靠性的主要因素——瓦片形磁钢与外壳粘接结构进行探讨,仿真了粘结结构的应力分布,并提出一种抗冲击性能良好、可靠性较高的粘接结构。该结构的抗冲击性能在一台样机上得到验证。最后提出改善磁钢与外壳粘结质量的措施。 3、针对增安型稀土永磁同步电动机的关键防爆参数t_E时间,综合考虑了集肤效应和散热等因素,提出一套转子t_E时间的理论计算方法,并在一台增安型样机进行计算,计算值与试验值接近,验证该计算方法的正确性。此外,针对两极电机的设计特点,研究了电机的主要设计参数对增安型稀土永磁同步电动机t_E时间的影响,并进一步总结出有利于延长两极增安型稀土永磁同步电动机的t_E时间、降低转子温升的方法。 4、设计开发了一台高速高效增安型稀土永磁同步电动机,并对其进行了性能仿真和测试。结果表明,样机的起动性能能够满足实际需要,电机效率和功率因数达到设计指标,防爆参数t_E合格。更多还原

【Abstract】 This paper develops partial contents of project ---"The High Speed Highly Effective Explosion-proof Rare Earth Permenet Magnet Machine Research", which is one of the national 863 plans.Revolved tightly the high speed highly effective increased-safety rare earth permanent magnetic synchronous motor’s design, the paper researches thoroughly in the two-pole rotor structure, the electromagnetic field and the key explosion-proof parameter time t_E etc., also completes the design and the performance test experiments of a two-pole increased-safety rare earth permanent magnetic synchronous motor.This article main research results are given as follows:1. Based on thoroughly discussing on the rotor structure of rare earth permanent magnetic synchronous motor, a novel two-pole rotor structure has been designed and simulated.2. By detailedly analysed the caking structure stress of tile shape rare earth permanent magnet of rare earth permanent magnetic direct current motor, a high reliability, good anti-impact performance cementation structure is proposed.3. The paper takes the skin effect and radiation factors into account and brings forward a set of rotor time theoretical calculation method, Then proposes effective actions for being advantageous in lengthening the time t_E and decreasing the rotor temperature from the design aspect.4. A high speed highly effective increased-safety rare earth permanent magnetic synchronous motor is designed, and the starting performance is simulated and analysed. Finally, the motor test has been done.更多还原