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在原理上对传统“九区图划分法”进行了改进 ,推导出考虑电容器组电压特性的控制量算式 ,对运行状态进行了更细致的划分 ,并提出相应的控制策略。在硬件方面 ,采用了80 C196 KC单片机系统及 ISP(In System Programm able)器件 ,具有友好的人机界面 ;在通信方面 ,采用了 CAN总线通信协议。经过数值仿真和模拟试验 ,验证了文中方法的正确性和优越性 ,具有实用价值。
In principle, the traditional “nine-region graph dividing method” is improved, and the calculation formula of control amount considering the voltage characteristics of capacitor bank is deduced. The operating states are more detailedly divided and the corresponding control strategies are put forward. In the aspect of hardware, the 80 C196 KC MCU system and ISP (In System Programmable) device are adopted, which has a friendly man-machine interface. In terms of communication, CAN bus communication protocol is adopted. After numerical simulation and simulation test, the correctness and superiority of the method in the paper are verified, which is of practical value.