[1]陈 思,谢 伟,饶沛南,等.饱和电抗器对DC/DC 变换器中二极管寄生振荡的抑制[J].控制与信息技术,2018,(05):31-35.[doi:10.13889/j.issn.2096-5427.2018.05.007]
 CHEN Si,XIE Wei,RAO Peinan,et al.Suppression of the Diode Voltage Spikes in DC/DC Converter with Saturated Reactor[J].High Power Converter Technology,2018,(05):31-35.[doi:10.13889/j.issn.2096-5427.2018.05.007]
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饱和电抗器对DC/DC 变换器中二极管寄生振荡的抑制()
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《控制与信息技术》[ISSN:2095-3631/CN:43-1486/U]

卷:
期数:
2018年05期
页码:
31-35
栏目:
电力与传动控制
出版日期:
2018-10-05

文章信息/Info

Title:
Suppression of the Diode Voltage Spikes in DC/DC Converter with Saturated Reactor
文章编号:
2096-5427(2018)05-0031-05
作者:
陈 思谢 伟饶沛南唐 娟
(株洲中车时代电气股份有限公司,湖南株洲 412001)
Author(s):
CHEN Si XIE Wei RAO Peinan TANG Juan
( Zhuzhou CRRC Times Electric Co., Ltd., Zhuzhou, Hunan 412001, China )
关键词:
饱和电抗器反向恢复谐振电压DC/DC 变换器二极管
Keywords:
saturated reactor reverse recovery resonance voltage DC/DC converter diode
分类号:
TM46
DOI:
10.13889/j.issn.2096-5427.2018.05.007
文献标志码:
A
摘要:
对大功率隔离型DC/DC 变换器而言,其整流二极管在反向恢复过程会产生较强的寄生振荡现象,由此会导致较高的电压应力和额外的电磁干扰。文章根据二极管反向恢复特性建立了DC/DC 桥式变换器整流回路的等效谐振模型,推导出二极管电压尖峰表达式;并从抑制反向恢复电流和增大回路阻尼的角度出发,研究了串联饱和电抗器抑制二极管电压振荡的原理,进一步建立仿真模型来分析饱和电抗器对振荡过程的抑制效果。样机实验结果与仿真分析结果相一致,验证了所建模型的有效性。
Abstract:
In high power separated DC/DC converter, the reverse recovery of rectifier diode produces parasitic oscillation and causes higher voltage stress and extra electromagnetic interference. According to the reverse recovery characteristics of power diode, an equivalent model of rectifying circuit was built and the expression of diode-voltage spike was deduced. To suppress the reverse recovery current and magnify the damp ratio, the operational principles of series saturated reactor were expounded and the design method was discussed. Further, the influence of saturated reactor parameter was studied through simulation. Finally, the experiment results are in accordance with the simulation ones, which proves that the analyzing and designing methods are effective.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-03-05
作者简介:陈思(1991-),男,工程师,从事电力电子功率变换研究工作。
更新日期/Last Update: 2018-10-18