铝厂焙烧车间引风机的高压变频调速系统设计
《铝厂焙烧车间引风机的高压变频调速系统设计》由会员分享，可在线阅读，更多相关《铝厂焙烧车间引风机的高压变频调速系统设计（56页珍藏版）》请在文档大全上搜索。
1、河南理工大学万方科技学院本科毕业论文摘要变频调速技术从诞生到现在，一直经历着飞速的发展。变频调速以节能低耗、提高生产效率等突出优势，已成为企业提高产品市场占有率和竞争力的有效手段之一，其中大容量传动的高压变频调速技术也得到了广泛的应用。高压电机利用高压变频器可以实现无级调速，满足生产工艺过程对电机调速控制的要求,以提高产品的产量和质量。但是由于器件技术和逆变技术还不十分成熟，在变频器使用过程中还存在一些不尽人意的的地方；因此如何满足生产工艺要求、提高高压变频器可靠性是每个业内企业技术攻关和进步的主要难题。论文设计的内容是铝厂焙烧车间引风机的高压变频调速系统。在分析以上不足因素的同时，设计着手于
2、系统的节能和运行可靠性两方面。论文主要对高压变频器和高压变频调速系统做了具体阐述和设计；首先介绍了高压变频器的发展概况及趋势并做了市场分析，在高压变频器选型这方面为实现变频器应用的最佳性价比提供参考。其次，论文给出了高压变频调速系统的设计主回路。主系统针对“一拖一”即一台变频器控制一台电机，实现工频/变频切换的功能。在对高压变频器设计中主要涉及了移相变压器、功率单元和控制等系统的设计。设计过程中不仅要求满足工艺要求，而且保证整个系统的可靠性运行。特别是DCS控制系统参与控制高压变频调速系统，大大提高了高压变频器的运行可靠性。最后，从作者自身的学习和总结，预测了高压变频技术的发展和技术发展方向。
3、关键词：高压变频器 高压电机 节能 DCS AbsractFrequency control technology from birth to now, It has been experiencing rapid development. Frequency Control to highlight the advantages of energy saving and low consumption, improve production efficiency, has become one of an effective means to improve product market s
4、hare and competitiveness. High-voltage large-capacity transmission frequency conversion technology has also been widely used. The high-voltage motors with high-voltage inverter can realize stepless speed regulation, Meet the requirements of the production process of the motor speed control, To impro
5、ve product yield and quality. However, due to the device technology and inverter technology is not very mature, there are still some unsatisfactory place in the inverter using the process. How to meet the requirements of production process, improve the reliability of high voltage inverter is the mai
6、n challenge of the industrys technology research and progress.Paper is the content of the design of high pressure of roasting aluminum plant workshop induced draft fan variable frequency speed regulation system. On the analysis of the above factors and insufficient , design of energy saving and get
7、down to the system operation reliability two aspects.Paper mianly to the high voltage inverter and the high voltage variable frequency speed regulation system for the specific design; First, introduces the converter development situation and trends and made a market analysis, the high voltage invert
8、er in the selection for the realization of the optimal performance and price ratio of the frequency converter application to provide the reference. Secondly, this paper analyzes the design of high voltage variable frequency speed regulation system of mian loop. The system is a inverter control a mot
9、or, realize industrial frequency/frequency conversion switch function. In the high voltage inverter in the design phase shifting involved with the mian transformer and power unit and control system design. Design process requires not only meet the technological requirement, and ensure that the whole
10、 of the reliability of the system operation. Especially DCS control system and the connection between the high voltage inverter communication, greatly improving the reliability of the high voltage inverter. At last, from the author,s own learning and summarized, and forecasts the high voltage variab
11、le frequency technology development and technology development direction. Key words: High-voltage inverter High voltage motor Energy saving DCS 51河南理工大学万方科技学院本科毕业论文目录摘要IAbsractII1 绪 论11.1毕业设计研究背景11.2设计的目的和意义21.3设计原则与方案22 高压变频器52.1高压变频器52.2变频器的发展概况及趋势52.2.1变频器的发展概况52.2.2高压变频器的发展趋势62.2.3我国高压变频器市场分析62.
