The Improvement Method of Transient Performance within the Full Dynamic Range for Boost Converter
Huang Jinfeng1,2, Li Liangjing1, Liu Shulin3, Dong Fengbin1
1. School of Electrical Engineering Shaanxi University of Technology Hanzhong 723001 China; 2. Shaanxi Key Laboratory of Industrial Automation Hanzhong 723001 China; 3. School of Electrical and Control Engineering Xi’an University of Science & Technology Xi’an 710054 China;
Abstract:The negative voltage generated by right-half-plane zero results in poor transient performance of the Boost converter working in wide input voltage range and wide load range. Therefore, an effective negative voltage suppression is the key to improve transient performance. This paper builds a mathematical model for negative voltage of the Boost converter working at wide input voltage range and load full dynamic range. The performance indicators of negative voltage evaluation and the constraint condition of suppression are provided. According to the results of modeling, a parameter optimization design method based on decreasing the system damping ratio is proposed to improve the transient performance. The simulation and experimental results have verified the negative voltage modeling within the full dynamic range and the proposed method of parameter optimization design. It provides an effective way to improve the transient performance of Boost converter working in wide input voltage range and wide load range.
皇金锋, 李良井, 刘树林, 董锋斌. Boost变换器全动态范围负调电压建模与暂态性能提高方法[J]. 电工技术学报, 2018, 33(4): 865-873.
Huang Jinfeng, Li Liangjing, Liu Shulin, Dong Fengbin. The Improvement Method of Transient Performance within the Full Dynamic Range for Boost Converter. Transactions of China Electrotechnical Society, 2018, 33(4): 865-873.
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