[1]刘通,刘文生.具有低次谐波电流抑制能力的网侧牵引变流器算法研究[J].机车电传动,2018,(03):57-61.[doi:10.13890/j.issn.1000-128x.2018.03.011]
 LIU Tong,LIU Wensheng.Research on Grid-side Traction Converter with Low-order Harmonic Current Suppression Capability[J].Electric Drive for Locomotives,2018,(03):57-61.[doi:10.13890/j.issn.1000-128x.2018.03.011]
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具有低次谐波电流抑制能力的网侧牵引变流器算法研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2018年03期
页码:
57-61
栏目:
研究开发
出版日期:
2018-05-10

文章信息/Info

Title:
Research on Grid-side Traction Converter with Low-order Harmonic Current Suppression Capability
文章编号:
1000-128X(2018)03-0057-05
作者:
刘通刘文生
(大连交通大学电气信息学院,辽宁 大连 116028)
Author(s):
LIU Tong LIU Wensheng
( School of Electrical and Information Engineering, Dalian Jiaotong University, Dalian, Liaoning 116028, China )
关键词:
谐波电压脉动电压低次谐波陷波器比例谐振牵引变流器
Keywords:
harmonic voltage pulsating voltage lower-order harmonic notch filters proportional resonance traction converter
分类号:
U266.2;U264.3+7
DOI:
10.13890/j.issn.1000-128x.2018.03.011
文献标志码:
A
摘要:
为了抑制由牵引网谐波电压和直流侧脉动电压引起的单相PWM 整流器网侧低次谐波电流,提出陷波器和比例谐振控制相结合的控制算法。电压外环中后置N 次陷波器,讨论了陷波器的设计和离散方法,消除直流侧脉动电压的影响。电流内环采用具有抗电网频率波动和相角补偿的比例谐振控制器,通过根轨迹法设计基频比例谐振控制器的参数,根据幅频特性设计谐波谐振控制器,分析电流内环对交流信号的控制能力。仿真验证了该算法正确性和可行性。
Abstract:
In order to suppress the low-order harmonic current caused by the grid harmonic voltage and the DC pulsating voltage in the single-phase PWM rectifier, a control algorithm combining the DC-link voltage notch filter and the proportional resonance control was proposed. The N-order notch filters was placed on the back of the voltage loop, and the notch filter design and discretization method was discussed to achieve the elimination of DC-side pulse voltage interference. Proportional resonant controllers with anti-grid frequency fluctuation and phase angle compensation was adopted in current inner loop. The parameters of the fundamental frequency proportional resonant controller were designed by the root locus method, and the harmonic resonant controller was designed by using the amplitude-frequency characteristic to analyze the control ability of current loop to the AC signal. The correctness and feasibility of the algorithm were validated by simulation.

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相似文献/References:

[1]赵卫,刘文生. 牵引变流器网侧电流低次谐波抑制的研究[J].机车电传动,2017,(03):1.[doi:10.13890/j.issn.1000-128x.2017.03.101]
 ZHAO Wei,LIU Wensheng. Research on Suppression of Net-side Low-order Harmonics Current in the Traction Converter[J].Electric Drive for Locomotives,2017,(03):1.[doi:10.13890/j.issn.1000-128x.2017.03.101]
[2]赵 卫,刘文生.牵引变流器网侧电流低次谐波抑制的研究[J].机车电传动,2017,(03):24.[doi:10.13890/j.issn.1000-128x.2017.03.101]
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备注/Memo

备注/Memo:
作者简介:刘 通(1991-),男,硕士研究生,研究方向为电力牵引及传动控制。
更新日期/Last Update: 2018-05-10