開關(guān)磁阻電機在自備電源系統(tǒng)中的應(yīng)用研究
[Abstract]:The self-provided power supply system is a kind of conversion carrier that converts the energy into the electric energy required by the user. Generally speaking, the system has two structural modes. The first structure is to drive the intermediate frequency generator through the fuel oil unit, and output the electric energy required by the user through the power transformation. The second structure is the power supply with industrial grid as the self-provided power system, which outputs the power needed by the user through the power conversion. The application situation determines the basic structure of the self-provided power system. In a sense, the choice of the basic structure is the basis of the whole self-provided power system, and its reliability and stability determine the power quality of the user. In order to make the self-provided power supply system more widely used, diesel generator set is chosen as the energy output carrier of the system, and on this basis, there are many energy conversion units, including intermediate frequency generator, driving motor, and so on. High-voltage generators and high-voltage chargers, using the above-mentioned equipment to complete the final change of electrical energy. This paper mainly studies the drive motor. The drive motor is the bridge connecting the intermediate frequency generator and the high voltage generator, and it is also the key component of the system operation. The performance of the drive motor determines the output power quality directly. According to the characteristics of self-supplied power supply system, switched reluctance motor is selected as the driving motor of self-provided power supply system, and the advantages of this kind of motor in this system are analyzed in detail. Then the development and application prospect of switched reluctance motor at home and abroad are introduced. The mathematical model of switched reluctance motor is analyzed in detail, and according to its mathematical model and traditional control mode, The control mode of switched reluctance motor (SRM) is determined: current chopping and angle position control based on double closed loop. The motor driving system is simulated by Matlab simulation software, and the prototype is tested. The stroke friction loss is the main factor that restricts the speed increase of switched reluctance motor in the experiment. Therefore, the motor is reformed according to the wind friction loss, and the equipment is transformed into an integrated vacuum system. Finally, the software of upper computer is edited, and the visualization of virtual instrument is realized by connecting computer and DSP control board through serial port.
【學位授予單位】:華中科技大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TM352
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