摘要
根据DC-DC变换的基本原理,在断续导通模式下,依据状态空间法建立了BUCK、BOOST、BUCK/BOOST三种变换器的数学模型,并在此基础上基于PSIM(Powersim)对三种变换电路分别构建了仿真模型。利用该仿真模型不仅可以有效模拟实际的DC-DC变换电路的运行特性,而且还可以采用不同的控制算法、控制策略对该模型进行闭环控制,为分析设计DC-DC变换电路及其控制系统提供了有效的方法,同时也为实际电路的设计调试提供了新思路。仿真结果与理论分析一致,表明了建模方法的正确性。
According to the principle of the DC-DC converter, the three sorts of commutation circuits, namely BUCK, BOOST and BUCK/BOOST are compared and analyzed. The modeling of the three circuits are also investigated in discontinuous mode. These proposed models have great significance in simulating the performances of the actual DC-DC converters, and can process closed-loop control by using different control algorithms and control strategies. Based on these models, an efficient way for analysis and design of the DC-DC converter circuits and the control system is provided, and a novel approach for designing and debugging actual circuits is also given at the same time, The simulationl results in PSIM are consistent to the theoretical analysis, which show the effectiveness of the modeling method.
出处
《电机与控制学报》
EI
CSCD
北大核心
2007年第5期522-528,共7页
Electric Machines and Control
基金
江苏省自然科学基金项目(BK2007540)
