| 内部本质安全型Boost变换器电感的设计 |
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| 作者单位： | 西安科技大学电气与控制工程学院 陕西西安710054 |
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| 摘 要： | 分析了Boost变换器工作于连续导电模式(CCM)和不连续导电模式(DCM)时的峰值电感电流。指出在给定开关频率、输入和输出电压时,变换器工作在CCM下的最大峰值电感电流就是该变换器在整个负载范围内工作时的最大电感电流,并将其与最小点燃电流相比较作为变换器在该工作模式下内部电感本质安全的判断依据。文中给出了实例,仿真结果验证了理论分析的正确性。
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| 关 键 词： | 本质安全电路 Boost变换器 最小点燃电流 设计 |
Design of Intrinsically Safe Boost Converters' Inductor |
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| Authors: | CHEN Yong-bing Liu Shu-lin |
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| Abstract: | The peak inductor current of boost converters both in CCM and DCM is analyzed in the article.It is pointed out that the maximum peak inductor current of boost in CCM is the maximal inductor current in the total range of the load. If the maximum peak inductor current in CCM is less than the minimum ignition current,the converter meets the requirement of intrinsically safety circuit.The simulation results are in positive to the analysis results showing the feasibility of the proposed methods. |
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| Keywords: | intrinsically safety boost converters minimum ignition current design |
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