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基于注吸电流法的Buck-Boost变换器建模与仿真 被引量:1

Modeling and Simulation of a Buck-Boost Converter Based on Injected-Absorbed-Current Method
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摘要 该文详细介绍了注吸电流法的建模思想和步骤,并应用注吸电流法建立了工作在电感电流断续(DCM)模式下的Buck-Boost变换器数学模型。对Buck-Boost变换器及其PI调节器构成的闭环控制系统进行了分析研究。应用S imu link\S im-PowerSystem模块,建立了该系统的Matlab仿真模型,并进行了相应的仿真分析。仿真结果表明,所得Buck-Boost变换器数学模型的精确性和可用性可以满足要求,能够真实反映该系统的动、静态性能。满意的仿真结果与理论分析取得了一致,验证了该模型的正确性。 The essence and general steps of Injected- Absorbed -Current Method(IACM) are described in this paper and a mathematic model of Buck - Boost converter in discontinuous current mode(DCM) based on this method is proposed. By means of Simulink/SimPowerSystem, a simulation model for this system is constructed, and corresponding simulations are performed through Matlab software. The simulation results show that the accuracy and availability of the proposed model are satisfied and it can truly disclose the dynamic and steady state characteristic of the Buck -Boost converter system. The satisfactory results coincide with the theoretical analysis and the correctness of this derived model is verified.
机构地区 河北工业大学
出处 《计算机仿真》 CSCD 2006年第7期291-294,共4页 Computer Simulation
关键词 注吸电流法 变换器 数学模型 仿真 Injected - absorbed - current method Converter Mathematic model Simulation
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