HUANG Pingqi1,2, CHEN Xiaoqiang1,2, WANG Jiarong1,2 , FU Juxia3
（1. School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China；
2. Rail Transit Electrical Automation Engineering Laboratory of Gansu Province, Lanzhou Jiaotong University, Lanzhou 730070, China；3. School of Electric Engineering, Xinjiang University, Urumqi 830047, China）
Abstract：Based on the study of the harmonic suppression on DC side of the multi-pulse rectification system, a software platform is established in Matlab environment. The phase-shift angle is studied from the aspects of system stability and economy, analyzing the effects of phase-shift angle on the input-side line current, the output-side voltage ripple, the equivalent capacity of autotransformer and other auxiliary devices in 12-pulse rectifier system. The software platform can complete the analysis only by inputting the initial conditions, eliminating the derivation of the intermediate formula and reducing the complexity of the system analysis, and have good scalability. The simulation results show that the system can effectively analyze the influence of phase angle on 12-pulse star-connected transformer.
Key words：phase-shift angle; autotransformer； 12-pulse rectification system； Matlab analysis
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移相角对12脉波星形连接变压器系统的影响
黄平啟1,2， 陈小强1,2， 王佳荣1,2， 付菊霞3
（1. 兰州交通大学 自动化与电气工程学院， 甘肃 兰州 730070；2. 兰州交通大学 甘肃省轨道交通电气自动化工程实验室， 甘肃 兰州 730070；3. 新疆大学 电气工程学院， 新疆 乌鲁木齐 830047）
摘 要: 基于对多脉波整流系统直流侧谐波抑制的研究， 在Matlab环境下建立了软件平台， 从系统稳定性和经济性的角度出发研究了移相角， 并分析了移相角对12脉波整流系统中输入侧线电流、 输出侧电压纹波、 自耦变压器等效容量和系统中其他辅助器件的影响。 该软件平台只需输入初始条件便可完成分析， 无需公式推导， 降低了系统分析复杂度， 具有良好的扩展性。 仿真结果表明， 该系统能有效分析移相角对12脉波星形连接变压器的影响。
关键词： 移相角； 自耦变压器； 12脉波整流系统； Matlab分析
引用格式：HUANG Pingqi, CHEN Xiaoqiang, WANG Jiarong, et al. Effect of phase-shift angle on 12-pulse star connection transformer system. Journal of Measurement Science and Instrumentation， 2022， 13（2）：192-197. DOI：10.3969／j.issn.1674-8042.2022.02.008
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