Traction Power Supply System Optimized Design Technology Applications Research

The optimal design is a new scientific technique that has been made great rapid development, which has been widely applied in some fields of engineering designs. Traction power supply system plays an important role in the electrify railroads design, whether or not its design method is optimization, which has a direct effect on as much engineering investment as traction power supply quality and operating economic benefit.The design has a further discussion about the theme that optimize designing technique is applied for traction power supply system in the electrify railroads, expects to provide a new and practical method for actual engineering design in traction power supply system. Some characters and ideas of optimize design are simply introduced in chapter one. The characters of traction power supply system and the problems of routine designs in the electrify railroads are described in chapter two where two main methods of optimize design in former traction power supply systems are emphasized, which realize the optimize methods of traction power supply system by using network multiple address selecting technique, and based on traction load along line distributing function, furthermore construct the optimization mathematical model's optimize method of traction power supply system by means of mathematical planning method's application. The emulational calculating theories of traction power supply system's operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. For instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. Optimize design's algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software aregiven an explanation. In chapter five, an engineering calculating instance is introduced into the design. In chapter six, there is a summing-up for optimize design's application of traction power supply system. Applying instance indicates that optimize design not only provides the engineering design of traction power supply system with an advanced scientific designing method to select likelihood most versatile or suitable method among multiple designing methods, but also can great enhance designing efficiency by using the designing method, so it holds far much distinctive economic and social benefit.