Design Of A Supervise System For The Distributed Power Supply System Based On DSP And CAN Bus

Power supply module in parallel can achieve power enlarged, which can make up the building and intelligent distributed great power supply system. This is one of the developing directions of the power supply technology. In order to get modules in parallel to work coordinately, applying the reliable supervising technology in the power supply system is necessary and also is the hot research direction of the power supply technology. Some problems exist in the traditional supervising technology such as the digitalization degree is not high, the speed is not too fast and the precision and reliability are not satisfactory and so on.Based on the origin and request of the project, a supervising system based on DSP and CAN bus is designed. The character of DSP such as high speed, real time, multiple integration peripherals, good expansibility and advantages of CAN communication such as high reliability, good resisting disturbance performance are fully applied in the system. Meanwhile, considering the system is designed as a product, two supervising mode for selection and modularization structure are designed.At first, the hardware design is discussed in detail and some important circuits are introduced too. Then, the software design methods are presented. At last, two chapters about the FLASH programming and the debugging method are introduced.Now, most of functions of the system has been accomplished. The demo machine has been sent to put into service. The next step is to discover and resolve the problems when it running in field.